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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Brightness
    1. HDR Brightness
    2. HDR Brightness In Game Mode
    3. SDR Brightness
  5. Black Level
    1. Contrast
    2. Lighting Zone Precision
    3. Lighting Zone Transitions
    4. Contrast And Dark Details In Game Mode
    5. Black Uniformity
  6. Color
    1. SDR Color Volume
    2. HDR Color Volume
    3. SDR Pre-Calibration Color Accuracy
    4. SDR Post-Calibration Color Accuracy
    5. HDR Pre-Calibration Color Accuracy
    6. HDR Post-Calibration Color Accuracy
  7. Processing
    1. PQ EOTF Tracking
    2. Low-Quality Content Smoothing
    3. Upscaling: Sharpness Processing
    4. HDR Native Gradient
  8. Game Mode Responsiveness
    1. Input Lag
    2. Supported Resolutions
    3. Variable Refresh Rate
    4. CAD In Game Mode @ Max Refresh Rate
    5. CAD In Game Mode @ 120Hz
    6. CAD In Game Mode @ 60Hz
    7. PS5 Compatibility
    8. Xbox Series X|S Compatibility
  9. Motion Handling
    1. Stutter
    2. 24p Judder
    3. Response Time
    4. Flicker
    5. Black Frame Insertion (BFI)
    6. Motion Interpolation
  10. Reflections
    1. Direct Reflections
    2. Ambient Black Level Raise
    3. Total Reflected Light
    4. Ambient Color Saturation
  11. Panel
    1. Viewing Angle
    2. Gray Uniformity
    3. Panel Technology
  12. Inputs
    1. Input Specifications
    2. Input Lag
    3. Audio Passthrough
    4. HDR Format Support
    5. Supported Resolutions
    6. Advanced Console Compatibility
    7. Input Photos
    8. Total Inputs
  13. Design
    1. Style
    2. Accelerated Longevity Test
    3. Stand
    4. Back
    5. Borders
    6. Thickness
    7. Build Quality
  14. Smart Features
    1. Interface
    2. Ad-Free
    3. Apps and Features
    4. Remote
    5. TV Controls
    6. In The Box
    7. Misc
  15. Sound Quality
    1. Frequency Response
    2. Distortion
  16. Picture Quality
    1. Contrast
    2. SDR Brightness
    3. Local Dimming
    4. Local Dimming In Game Mode
    5. HDR Brightness
    6. HDR Brightness In Game Mode
    7. Gray Uniformity
    8. Black Uniformity
    9. Viewing Angle
    10. Reflections
    11. Pre Calibration
    12. Post Calibration
    13. 480p Input
    14. 720p Input
    15. 1080p Input
    16. 4k Input
    17. 8k Input
    18. Pixels
    19. Color Gamut
    20. Color Volume
    21. Gradient
    22. Temporary Image Retention
    23. Permanent Burn-In Risk
  17. Motion
    1. Response Time
    2. Flicker-Free
    3. Black Frame Insertion (BFI)
    4. Motion Interpolation
    5. Stutter
    6. 24p Judder
    7. Variable Refresh Rate
  18. Comments

LG C4 OLED vs Sony X900H

Side-by-Side Comparison

Products

LG C4 OLED
Sony X900H

Tested using Methodology v2.0

Updated Mar 18, 2025 01:21 PM

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Tested using Methodology v1.6

Updated Feb 07, 2025 06:26 PM

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LG C4 OLED Picture
Sony X900H Picture

Variants

  • OLED42C4PUA (42")
  • OLED48C4PUA (48")
  • OLED55C4PUA (55")
  • OLED65C4PUA (65")
  • OLED77C4PUA (77")
  • OLED83C4PUA (83")
  • XBR55X900H (55")
  • XBR65X900H (65")
  • XBR75X900H (75")
  • XBR85X900H (85")

Our Verdict

LG C4 OLED

Sony X900H

Full comparison details regarding individual product score sets can be found in the section below

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42"
 
48"
OLED48C4PUA
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48"
 
75"
 
77"
OLED77C4PUA
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77"
 
83"
 
85"
 
Read more

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

8.3
8.1

HDR Brightness 
 

7.7
6.9

SDR Brightness 
 

6.5
8.2

Contrast 
 

10
8.6

Viewing Angle 
 

8.9
5.5

Full Comparison

Brightness

HDR Brightness 
 

7.7
6.9

HDR Hallway Photo  

LG C4 OLED HDR Hallway Photo

HDR Cityscape Photo  

LG C4 OLED HDR Cityscape Photo

HDR Landscape Photo  

LG C4 OLED HDR Landscape Photo

Hallway Lights (~1950 cd/m²) 
 

804 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

590 cd/m²

Landscape Pool (~300 cd/m²) 
 

265 cd/m²

Peak 2% Window 
 

950 cd/m²
358 cd/m²

Peak 10% Window 
 

932 cd/m²
447 cd/m²

Peak 25% Window 
 

614 cd/m²
736 cd/m²

Peak 50% Window 
 

331 cd/m²
677 cd/m²

Peak 100% Window 
 

194 cd/m²
545 cd/m²

Sustained 2% Window 
 

917 cd/m²
356 cd/m²

Sustained 10% Window 
 

905 cd/m²
446 cd/m²

Sustained 25% Window 
 

582 cd/m²
723 cd/m²

Sustained 50% Window 
 

328 cd/m²
673 cd/m²

Sustained 100% Window 
 

192 cd/m²
544 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.096
0.041
Show Text 

HDR Brightness In Game Mode 
 

6.7
7.5

HDR Hallway Photo  

LG C4 OLED HDR Hallway Photo

HDR Cityscape Photo  

LG C4 OLED HDR Cityscape Photo

HDR Landscape Photo  

LG C4 OLED HDR Landscape Photo

Hallway Lights (~1950 cd/m²) 
 

798 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

415 cd/m²

Landscape Pool (~300 cd/m²) 
 

165 cd/m²

Peak 2% Window 
 

920 cd/m²
471 cd/m²

Peak 10% Window 
 

923 cd/m²
550 cd/m²

Peak 25% Window 
 

491 cd/m²
746 cd/m²

Peak 50% Window 
 

296 cd/m²
608 cd/m²

Peak 100% Window 
 

196 cd/m²
531 cd/m²

Sustained 2% Window 
 

891 cd/m²
469 cd/m²

Sustained 10% Window 
 

894 cd/m²
540 cd/m²

Sustained 25% Window 
 

472 cd/m²
731 cd/m²

Sustained 50% Window 
 

294 cd/m²
607 cd/m²

Sustained 100% Window 
 

195 cd/m²
530 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.097
0.023
Show Text 

SDR Brightness 
 

6.5
8.2

Real Scene Peak Brightness 
 

411 cd/m²
474 cd/m²

Peak 2% Window 
 

427 cd/m²
423 cd/m²

Peak 10% Window 
 

425 cd/m²
462 cd/m²

Peak 25% Window 
 

405 cd/m²
604 cd/m²

Peak 50% Window 
 

382 cd/m²
530 cd/m²

Peak 100% Window 
 

259 cd/m²
466 cd/m²

Sustained 2% Window 
 

420 cd/m²
420 cd/m²

Sustained 10% Window 
 

420 cd/m²
457 cd/m²

Sustained 25% Window 
 

401 cd/m²
598 cd/m²

Sustained 50% Window 
 

379 cd/m²
529 cd/m²

Sustained 100% Window 
 

258 cd/m²
465 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.030
0.020
Show Text 
Black Level

Contrast 
 

10
8.6

Contrast Picture  

LG C4 OLED Contrast Picture
Sony X900H Contrast Picture

Contrast 
 

Inf : 1
5,386 : 1

Native Contrast 
 

Inf : 1
4,267 : 1
Show Text 

Lighting Zone Precision 
 

10

Lighting Zone Precision Picture  

LG C4 OLED Lighting Zone Precision Picture
Show Text 

Lighting Zone Transitions 
 

10

Preferred LD Video, Moving Object  

Local Dimming 
 

No
Yes

Backlight 
 

No Backlight
Full-Array

Dimming Zone Count Of The Tested TV 
 

8,294,400
Show Text 

Contrast And Dark Details In Game Mode 
 

9.5

Lighting Zone Precision Photo In Game Mode  

LG C4 OLED Lighting Zone Precision Photo In Game Mode

Preferred LD Video, Moving Object In Game Mode  

Game Transitions With VRR And Preferred LD  

Show Text 

Black Uniformity 
 

10
8.8

Black Uniformity Picture With Preferred Local Dimming  

LG C4 OLED Black Uniformity Picture With Preferred Local Dimming
Sony X900H Black Uniformity Picture With Preferred Local Dimming

Std. Dev. 
 

N/A
1.390%

Native Black Uniformity Picture  

LG C4 OLED Native Black Uniformity Picture
Sony X900H Native Black Uniformity Picture

Native Std. Dev. 
 

0.144%
0.558%
Show Text 
Color

SDR Color Volume 
 

7.9

DCI-P3 Gamut Rings  

LG C4 OLED DCI-P3 Gamut Rings

CIELAB DCI-P3 Coverage 
 

93.69%

BT.2020 Gamut Rings  

LG C4 OLED BT.2020 Gamut Rings

CIELAB BT.2020 Coverage 
 

62.82%
Show Text 

HDR Color Volume 
 

7.6
7.2

P3 Color Volume ITP Picture  

LG C4 OLED P3 Color Volume ITP Picture
Sony X900H P3 Color Volume ITP Picture

1,000 cd/m² DCI P3 Coverage ITP 
 

79.2%
31.0%

2020 Color Volume ITP Picture  

LG C4 OLED 2020 Color Volume ITP Picture
Sony X900H 2020 Color Volume ITP Picture

10,000 cd/m² BT.2020 Coverage ITP 
 

36.2%
26.5%

White Luminance 
 

1,008 cd/m²

Red Luminance 
 

104 cd/m²

Green Luminance 
 

333 cd/m²

Blue Luminance 
 

38 cd/m²

Cyan Luminance 
 

365 cd/m²

Magenta Luminance 
 

134 cd/m²

Yellow Luminance 
 

425 cd/m²
Show Text 

SDR Pre-Calibration Color Accuracy 
 

8.7
8.7

Pre White Balance Picture  

LG C4 OLED Pre White Balance Picture
Sony X900H Pre White Balance Picture

Pre Gamma Curve Picture  

LG C4 OLED Pre Gamma Curve Picture
Sony X900H Pre Gamma Curve Picture

Pre Color Picture  

LG C4 OLED Pre Color Picture
Sony X900H Pre Color Picture

White Balance dE 2000 
 

1.61
1.73

Color dE 2000 
 

0.97
1.89

Gamma 
 

2.19
2.23

Color Temperature 
 

6,262 K
6,460 K

Picture Mode 
 

Expert (Dark Space)
Custom

Color Temp Setting 
 

Warm 50
Expert 1

Gamma Setting 
 

2.2
0
Show Text 

SDR Post-Calibration Color Accuracy 
 

9.7
9.2

Post White Balance Picture  

LG C4 OLED Post White Balance Picture
Sony X900H Post White Balance Picture

Post Gamma Curve Picture  

LG C4 OLED Post Gamma Curve Picture
Sony X900H Post Gamma Curve Picture

Post Color Picture  

LG C4 OLED Post Color Picture
Sony X900H Post Color Picture

White Balance dE 2000 
 

0.26
0.54

Color dE 2000 
 

0.62
1.70

Gamma 
 

2.20
2.20

Color Temperature 
 

6,460 K
6,509 K

White Balance Calibration 
 

22 point
10 point

Color Calibration 
 

Yes
No
Show Text 

HDR Pre-Calibration Color Accuracy 
 

8.9

HDR Pre White Balance Picture  

LG C4 OLED HDR Pre White Balance Picture

HDR Pre Color Picture  

LG C4 OLED HDR Pre Color Picture

White Balance dE ITP 
 

3.95

Color dE ITP 
 

5.3

Color Temperature 
 

6,303 K

Picture Mode 
 

Cinema
Show Text 

HDR Post-Calibration Color Accuracy 
 

9.4

HDR Post White Balance Picture  

LG C4 OLED HDR Post White Balance Picture

HDR Post Color Picture  

LG C4 OLED HDR Post Color Picture

White Balance dE ITP 
 

2.50

Color dE ITP 
 

5.00

Color Temperature 
 

6,474 K
Show Text 
Processing

PQ EOTF Tracking 
 

8.8

PQ EOTF Graph  

See details on graph tool

600 Nit Tracking Delta 
 

0.0033

1000 Nit Tracking Delta 
 

0.0033

4000 Nit Tracking Delta 
 

0.0039
Show Text 

Low-Quality Content Smoothing 
 

8.6

Low-Quality Content Smoothing Picture  

LG C4 OLED Low-Quality Content Smoothing Picture

Smoothing 
 

9.0

Detail Preservation 
 

7.5
Show Text 

Upscaling: Sharpness Processing 
 

8.0
8.0

Sharpness Picture - 480p  

LG C4 OLED Sharpness Picture - 480p
Sony X900H Sharpness Picture - 480p
Show Text 

HDR Native Gradient 
 

7.8
8.9

HDR Gradient Picture  

LG C4 OLED HDR Gradient Picture
Sony X900H HDR Gradient Picture

100% Black To 50% Gray  

6.0

50% Gray To 100% White  

6.0

100% Black To 50% Red  

8.0

50% Red To 100% Red  

10

100% Black To 50% Green  

8.0

50% Green To 100% Green  

6.0

100% Black To 50% Blue  

10

50% Blue To 100% Blue  

8.0
Show Text 
Game Mode Responsiveness

Input Lag 
 

9.0
9.4

1080p @ 60Hz 
 

10.0 ms
15.4 ms

1080p @ 60Hz Outside Game Mode 
 

89.6 ms
91.1 ms

1080p @ 120Hz 
 

5.3 ms
7.2 ms

1080p @ Max Refresh Rate 
 

4.6 ms

4k @ 60Hz 
 

9.9 ms
15.1 ms

4k @ 60Hz @ 4:4:4 
 

9.9 ms
15.1 ms

4k @ 60Hz Outside Game Mode 
 

89.5 ms
90.9 ms

4k @ 60Hz With Interpolation 
 

85.5 ms
87.2 ms

4k @ 120Hz 
 

5.3 ms
6.7 ms

4k @ Max Refresh Rate 
 

4.6 ms

8k @ 60Hz 
 

N/A
N/A
Show Text 

Supported Resolutions 
 

9.7
9.2

Resolution  

4k
4k

480p @ 59.94Hz (Widescreen) 
 

Yes

720p @ 59.94Hz 
 

Yes

1080p @ 60Hz @ 4:4:4 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes (native support)

1080p @ 144Hz 
 

Yes

4k @ 60Hz 
 

Yes
Yes

4k @ 60Hz @ 4:4:4 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes (native support)

4k @ 120Hz @ 4:4:4 
 

Yes

4k @ 144Hz 
 

Yes

8k @ 30Hz Or 24Hz 
 

No
No

8k @ 60Hz 
 

No
No
Show Text 

Variable Refresh Rate 
 

8.5
9.4

Native Refresh Rate 
 

144Hz
120 Hz

Variable Refresh Rate 
 

Yes
Yes

HDMI Forum VRR 
 

Yes
Yes

FreeSync 
 

Yes
No

G-SYNC Compatible 
 

Yes (NVIDIA Certified)
Yes

4k VRR Maximum 
 

144 Hz
120 Hz

4k VRR Minimum 
 

< 20 Hz
< 20 Hz

1080p VRR Maximum 
 

144 Hz
120 Hz

1080p VRR Minimum 
 

< 20 Hz
< 20 Hz

VRR + Local Dimming  

No Local Dimming
Show Text 

CAD In Game Mode @ Max Refresh Rate 
 

9.6

Pursuit Photo Max Refresh  

LG C4 OLED Pursuit Photo Max Refresh

CAD Heatmap Max Refresh 
 

LG C4 OLED CAD Heatmap Max Refresh

Transition At Max Refresh 
 

transition-game-max-0-31
0 to 31

Avg. CAD 
 

39

Best 10% CAD 
 

7

Worst 10% CAD 
 

106
Show Text 

CAD In Game Mode @ 120Hz 
 

9.7

Pursuit Photo 120Hz  

LG C4 OLED Pursuit Photo 120Hz

CAD Heatmap 120Hz  

LG C4 OLED CAD Heatmap 120Hz

Transition At 120Hz 
 

transition-game-120-0-31
0 to 31

Avg. CAD 
 

35

Best 10% CAD 
 

6

Worst 10% CAD 
 

94
Show Text 

CAD In Game Mode @ 60Hz 
 

9.6

Pursuit Photo 60Hz  

LG C4 OLED Pursuit Photo 60Hz

CAD Heatmap 60Hz 
 

LG C4 OLED CAD Heatmap 60Hz

Transition 60Hz 
 

transition-game-60-0-31
0 to 31

Avg. CAD 
 

45

Best 10% CAD 
 

6

Worst 10% CAD 
 

132
Show Text 

PS5 Compatibility 
 

PS5 Screenshot  

LG C4 OLED PS5 Screenshot
Sony X900H PS5 Screenshot

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
PS5 can't do 1440p

1080p @ 120Hz 
 

Yes
Yes

HDR 
 

Yes

VRR 
 

Yes
PS5 can't do VRR yet
Show Text 

Xbox Series X|S Compatibility 
 

Xbox Series X Screenshot  

LG C4 OLED Xbox Series X Screenshot
Sony X900H Xbox Series X Screenshot

Auto Low Latency Mode (ALLM) 
 

Yes

4k @ 120Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
No

1080p @ 120Hz 
 

Yes
Yes

HDR 
 

Yes

VRR 
 

Yes
Yes
Show Text 
Motion Handling

Stutter 
 

4.2
7.0

Frame Hold Time @ 24 fps 
 

41.3 ms
30.5 ms

Frame Hold Time @ 60 fps 
 

16.3 ms
5.5 ms
Show Text 

24p Judder 
 

10
10

Judder-Free 24p 
 

Yes
Yes

Judder-Free 24p via 60p 
 

Yes
Yes

Judder-Free 24p via 60i 
 

Yes
Yes

Judder-Free 24p via Native Apps 
 

Yes
Yes
Show Text 

Response Time 
 

9.6
8.3

Pursuit Photo 60Hz  

LG C4 OLED Pursuit Photo 60Hz
Sony X900H Pursuit Photo 60Hz

Response Time Heatmap 60Hz 
 

LG C4 OLED Response Time Heatmap 60Hz

Transition At 60Hz 
 

transition-60-0-31
0 to 31

First Response Time 
 

0.4 ms

Total Response Time 
 

3.9 ms

Worst 10% Response Time 
 

10.3 ms
Show Text 

Flicker 
 

Backlight chart 
 

LG C4 OLED Backlight chart
Sony X900H Backlight chart

Flicker-Free 
 

No
No

PWM Dimming Frequency 
 

0 Hz
720 Hz
Show Text 

Black Frame Insertion (BFI) 
 

BFI Picture  

LG C4 OLED BFI Picture
Sony X900H BFI Picture

BFI Frequency Picture  

LG C4 OLED BFI Frequency Picture
Sony X900H BFI Frequency Picture

Optional BFI 
 

Yes
Yes

Min Flicker For 60 fps 
 

60 Hz
120 Hz

60Hz For 60 fps 
 

Yes
No

120Hz For 120 fps 
 

No
Yes

Min Flicker For 60 fps In Game Mode 
 

60 Hz
120 Hz
Show Text 

Motion Interpolation 
 

Motion Interpolation (30 fps) Picture  

LG C4 OLED Motion Interpolation (30 fps) Picture
Sony X900H Motion Interpolation (30 fps) Picture

Motion Interpolation (30 fps) 
 

Yes
Yes

Motion Interpolation (60 fps) Picture  

LG C4 OLED Motion Interpolation (60 fps) Picture
Sony X900H Motion Interpolation (60 fps) Picture

Motion Interpolation (60 fps) 
 

Yes
Yes
Show Text 
Reflections

Direct Reflections 
 

6.5
7.3

Ring Light Picture  

LG C4 OLED Ring Light Picture

Direct Reflections Graph  

See details on graph tool

Peak Direct Reflection Intensity 
 

42.4%

Screen Finish 
 

Glossy
Semi-gloss
Show Text 

Ambient Black Level Raise 
 

9.3

Black Level Raise Picture  

LG C4 OLED Black Level Raise Picture

Bright Room Black Level Raise Graph  

See details on graph tool

Black Luminance @ 0 lx 
 

0.00 cd/m²

Black Luminance @ 1000 lx 
 

0.24 cd/m²
Show Text 

Total Reflected Light 
 

8.8

Bright Room Off Picture  

LG C4 OLED Bright Room Off Picture
Sony X900H Bright Room Off Picture

Ring Picture Total Reflection  

LG C4 OLED Ring Picture Total Reflection

Total Reflected Light Intensity 
 

7,717% ⋅ pixel

Diffraction Artifacts 
 

No
Show Text 

Ambient Color Saturation 
 

7.2

Bright Room Color Volume Graph  

See details on graph tool

Low-Luminance Colors @ 1000 lx 
 

65.68%

Mid-Luminance Colors @ 1000 lx 
 

56.69%

High-Luminance Colors @ 1000 lx 
 

37.68%
Show Text 
Panel

Viewing Angle 
 

8.9
5.5

Viewing Angle Video  

Chroma Graph  

LG C4 OLED Chroma Graph
Sony X900H Chroma Graph

Color Washout 
 

48°
23°

Hue Graph  

LG C4 OLED Hue Graph
Sony X900H Hue Graph

Color Shift 
 

27°
25°

Lightness Graph  

LG C4 OLED Lightness Graph
Sony X900H Lightness Graph

Brightness Loss 
 

70°
34°

Black Level Raise 
 

70°
16°

Gamma Shift 
 

70°
24°
Show Text 

Gray Uniformity 
 

8.1
8.1

50% Uniformity Picture  

LG C4 OLED 50% Uniformity Picture
Sony X900H 50% Uniformity Picture

50% Std. Dev. 
 

1.063%
2.447%

50% DSE 
 

0.120%
0.155%

5% Uniformity Picture  

LG C4 OLED 5% Uniformity Picture
Sony X900H 5% Uniformity Picture

5% Std. Dev. 
 

0.323%
0.356%

5% DSE 
 

0.102%
0.086%
Show Text 

Panel Technology 
 

Spectral Power Distribution  

LG C4 OLED Spectral Power Distribution

Pixels Picture  

LG C4 OLED Pixels Picture
Sony X900H Pixels Picture

Type  

OLED
LED

Sub-Type 
 

WOLED
VA

Subpixel Layout 
 

RWBG
Show Text 
Inputs

Input Specifications  

Side Inputs Picture  

LG C4 OLED Side Inputs Picture
Sony X900H Side Inputs Picture

Rear Inputs Picture  

LG C4 OLED Rear Inputs Picture
Sony X900H Rear Inputs Picture

HDMI  

4 (4x HDMI 2.1)
4

HDMI 2.1 Rated Speed 
 

48 Gbps
Yes (HDMI 3,4)

ATSC Tuner 
 

1.0

USB Ports  

3
2

HDR10 
 

Yes
Yes

USB 3.0 
 

No
Yes (1)

Audio Out 3.5mm  

0
1

HDR10+ 
 

No
No

Wi-Fi  

Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)

Ethernet Speed  

100 Mbps
1

Composite In  

0
1 (adapter required, not incl.)

Dolby Vision 
 

Yes
Yes

Digital Optical Audio Out  

1
1

HLG 
 

Yes
Yes

HDMI 2.0 Full Bandwidth 
 

Yes (HDMI 1,2,3,4)

CEC  

Yes

HDCP 2.2  

Yes (HDMI 1,2,3,4)

Variable Analog Audio Out  

Yes
Show Text 

Input Lag 
 

9.0
9.4

1080p @ 60Hz 
 

10.0 ms
15.4 ms

1080p @ 60Hz Outside Game Mode 
 

89.6 ms
91.1 ms

1440p @ 60Hz 
 

15.0 ms

4k @ 60Hz 
 

9.9 ms
15.1 ms

4k @ 60Hz + 10-Bit HDR 
 

15.2 ms

4k @ 60Hz @ 4:4:4 
 

9.9 ms
15.1 ms

4k @ 60Hz Outside Game Mode 
 

89.5 ms
90.9 ms

4k @ 60Hz With Interpolation 
 

85.5 ms
87.2 ms

8k @ 60Hz 
 

N/A
N/A

1080p @ 120Hz 
 

5.3 ms
7.2 ms

1440p @ 120Hz 
 

N/A

4k @ 120Hz 
 

5.3 ms
6.7 ms

1080p with Variable Refresh Rate 
 

N/A

1440p with VRR 
 

N/A

4k with VRR 
 

N/A

8k with VRR 
 

N/A
Show Text 

Audio Passthrough 
 

ARC/eARC Port 
 

eARC
Yes

eARC: Dolby Atmos Over Dolby Digital Plus 
 

Yes
Yes

eARC: Dolby Digital Plus 7.1 
 

Yes

eARC: LPCM 7.1 Over Dolby MAT 
 

Yes

eARC: Dolby TrueHD 7.1 
 

Yes

ARC 
 

Yes (HDMI 3)

eARC: DTS:X Over DTS-HD MA 
 

Yes
Yes

eARC: DTS-HD Master Audio 7.1 
 

Yes

eARC: LPCM Channels (Bitstream) 
 

7.1

ARC: Dolby Digital 5.1 
 

Yes
Yes

ARC: DTS 5.1 
 

Yes
Yes

Optical: Dolby Digital 5.1 
 

Yes
Yes

Optical: DTS 5.1 
 

Yes
Yes
Show Text 

HDR Format Support  

HDR10 
 

Yes
Yes

HDR10+ 
 

No
No

Dolby Vision 
 

Yes
Yes

HLG 
 

Yes
Yes

Supported Resolutions 
 

9.7
9.2

Resolution  

4k
4k

1080p @ 60Hz @ 4:4:4 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes (native support)

1440p @ 60Hz 
 

Yes (forced resolution required)

1440p @ 120Hz 
 

No

4k @ 60Hz 
 

Yes
Yes

4k @ 60Hz @ 4:4:4 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes (native support)

8k @ 30Hz or 24Hz 
 

No
No

8k @ 60Hz 
 

No
No
Show Text 

Advanced Console Compatibility 
 

PS5 Screenshot  

LG C4 OLED PS5 Screenshot
Sony X900H PS5 Screenshot

Xbox Series X Screenshot  

LG C4 OLED Xbox Series X Screenshot
Sony X900H Xbox Series X Screenshot

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

PS5, 4k @ 120Hz + HDR 
 

Yes

PS5, 4k @ 120Hz 
 

Yes
Yes

PS5, 4k @ 60Hz + HDR 
 

Yes

PS5, 1440p @ 120Hz 
 

Yes
PS5 can't do 1440p

PS5, 1080p @ 120Hz 
 

Yes
Yes

PS5, Variable Refresh Rate 
 

Yes
PS5 can't do VRR yet

Xbox Series X, 4k @ 120Hz + HDR 
 

Yes

Xbox Series X, 4k @ 120Hz 
 

Yes
Yes

Xbox Series X, 4k @ 60Hz + HDR 
 

Yes

Xbox Series X, 1440p @ 120Hz 
 

Yes
No

Xbox Series X, 1080p @ 120Hz 
 

Yes
Yes

Xbox Series X, Variable Refresh Rate 
 

Yes
Yes
Show Text 

Input Photos  

Side Inputs Picture  

LG C4 OLED Side Inputs Picture
Sony X900H Side Inputs Picture

Rear Inputs Picture  

LG C4 OLED Rear Inputs Picture
Sony X900H Rear Inputs Picture

Total Inputs  

HDMI  

4 (4x HDMI 2.1)
4

USB  

3
2

Digital Optical Audio Out  

1
1

Analog Audio Out 3.5mm  

0
1

Analog Audio Out RCA  

0

Component In  

0

Composite In  

0
1 (adapter required, not incl.)

Tuner (Cable/Ant)  

1

Ethernet  

100 Mbps
1

DisplayPort  

0

IR In  

1

SD/SDHC  

0
Show Text 
Design

Style  

Design Picture  

LG C4 OLED Design Picture
Sony X900H Design Picture

Curved  

No
No
Show Text 

Accelerated Longevity Test 
 

Uniformity Pictures  

50-gray-24
Month 24
50% Gray

Longevity Graph  

See details on graph tool

Stand  

Stand Picture  

LG C4 OLED Stand Picture
Sony X900H Stand Picture
Show Text 

Back  

Back Picture  

LG C4 OLED Back Picture
Sony X900H Back Picture

Wall Mount  

VESA 300x200
VESA 300x300
Show Text 

Borders  

Borders Picture  

LG C4 OLED Borders Picture
Sony X900H Borders Picture

Borders  

0.24" (0.6 cm)
0.35" (0.9 cm)
Show Text 

Thickness  

Thickness Picture  

LG C4 OLED Thickness Picture
Sony X900H Thickness Picture

Max Thickness  

1.77" (4.5 cm)
2.80" (7.1 cm)
Show Text 

Build Quality 
 

9.0
8.0

Build quality picture  

LG C4 OLED Build quality picture
Sony X900H Build quality picture
Show Text 
Smart Features

Interface 
 

Smart TV Picture  

LG C4 OLED Smart TV Picture
Sony X900H Smart TV Picture

Smart OS  

webOS
Android TV

Version  

24
9.0

Ease of Use 
 

Average

Smoothness 
 

Very Smooth

Time Taken to Select YouTube 
 

2 s

Time Taken to Change Backlight 
 

2 s

Advanced Options 
 

Many
Show Text 

Ad-Free 
 

0.0
0.0

Ads Picture  

LG C4 OLED Ads Picture
Sony X900H Ads Picture

Ads 
 

Yes
Yes

Opt-out 
 

No
No

Suggested Content in Home 
 

No
Yes

Opt-out of Suggested Content 
 

No
Yes
Show Text 

Apps and Features 
 

9.0

Apps Picture  

Sony X900H Apps Picture

App Selection 
 

Great

App Smoothness 
 

Very Smooth

Cast Capable 
 

Yes

USB Drive Playback 
 

Yes

USB Drive HDR Playback 
 

Yes

HDR in Netflix 
 

Yes

HDR in YouTube 
 

Yes
Show Text 

Remote  

Remote Picture  

LG C4 OLED Remote Picture
Sony X900H Remote Picture

Size 
 

Large

Voice Control  

Yes
Many Features

CEC Menu Control 
 

Yes

Other Smart Features 
 

No

Remote App  

Android TV
Show Text 

TV Controls  

Controls Picture  

LG C4 OLED Controls Picture
Sony X900H Controls Picture

Mute Switch 
 

Yes
Show Text 

In The Box  

In The Box Picture  

LG C4 OLED In The Box Picture
Sony X900H In The Box Picture
Show Text 

Misc  

Power Consumption  

78 W
48 W

Power Consumption (Max)  

215 W
145 W

Firmware  

03.10.31
PKG6.0132.0031NAA
Sound Quality

Frequency Response 
 

6.7
7.3

Frequency Response  

See details on graph tool
See details on graph tool

Low-Frequency Extension 
 

80.00 Hz
95.14 Hz

Std. Dev. @ 70 
 

1.18 dB
2.62 dB

Std. Dev. @ 80 
 

1.68 dB
2.69 dB

Std. Dev. @ Max 
 

5.56 dB
5.01 dB

Max 
 

84.2 dB SPL
94.1 dB SPL

Dynamic Range Compression 
 

5.13 dB
4.58 dB

Digital Room Correction  

Yes
Show Text 

Distortion 
 

5.8

Total Harmonic Distortion 
 

See details on graph tool

Weighted THD @ 80 
 

0.047

Weighted THD @ Max 
 

9.938

IMD @ 80 
 

6.18%

IMD @ Max 
 

47.09%
Show Text 
Picture Quality

Contrast 
 

10
8.6

Checkerboard Picture  

LG C4 OLED Checkerboard Picture
Sony X900H Checkerboard Picture

Native Contrast 
 

Inf : 1
4,267 : 1

Contrast with local dimming 
 

Inf : 1
5,386 : 1
Show Text 

SDR Brightness 
 

6.5
8.2

Real Scene Peak Brightness 
 

411 cd/m²
474 cd/m²

Peak 2% Window 
 

427 cd/m²
423 cd/m²

Peak 10% Window 
 

425 cd/m²
462 cd/m²

Peak 25% Window 
 

405 cd/m²
604 cd/m²

Peak 50% Window 
 

382 cd/m²
530 cd/m²

Peak 100% Window 
 

259 cd/m²
466 cd/m²

Sustained 2% Window 
 

420 cd/m²
420 cd/m²

Sustained 10% Window 
 

420 cd/m²
457 cd/m²

Sustained 25% Window 
 

401 cd/m²
598 cd/m²

Sustained 50% Window 
 

379 cd/m²
529 cd/m²

Sustained 100% Window 
 

258 cd/m²
465 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.030
0.020
Show Text 

Local Dimming 
 

7.5

LD Video, Moving Object  

LD Video, Real Content  

LD Video, Real Content Side View  

Local Dimming 
 

No
Yes

Backlight 
 

No Backlight
Full-Array
Show Text 

Local Dimming In Game Mode 
 

7.5

LD Video, Moving Object  

LD Video, Real Content  

LD Video, Real Content Side View  

Local Dimming 
 

Yes

Backlight 
 

Full-Array
Show Text 

HDR Brightness 
 

7.7
6.9

EOTF  

Sony X900H EOTF

Real Scene Highlight 
 

543 cd/m²

Peak 2% Window 
 

950 cd/m²
358 cd/m²

Peak 10% Window 
 

932 cd/m²
447 cd/m²

Peak 25% Window 
 

614 cd/m²
736 cd/m²

Peak 50% Window 
 

331 cd/m²
677 cd/m²

Peak 100% Window 
 

194 cd/m²
545 cd/m²

Sustained 2% Window 
 

917 cd/m²
356 cd/m²

Sustained 10% Window 
 

905 cd/m²
446 cd/m²

Sustained 25% Window 
 

582 cd/m²
723 cd/m²

Sustained 50% Window 
 

328 cd/m²
673 cd/m²

Sustained 100% Window 
 

192 cd/m²
544 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.096
0.041
Show Text 

HDR Brightness In Game Mode 
 

6.7
7.5

Game Mode EOTF  

Sony X900H Game Mode EOTF

Real Scene Highlight 
 

669 cd/m²

Peak 2% Window 
 

920 cd/m²
471 cd/m²

Peak 10% Window 
 

923 cd/m²
550 cd/m²

Peak 25% Window 
 

491 cd/m²
746 cd/m²

Peak 50% Window 
 

296 cd/m²
608 cd/m²

Peak 100% Window 
 

196 cd/m²
531 cd/m²

Sustained 2% Window 
 

891 cd/m²
469 cd/m²

Sustained 10% Window 
 

894 cd/m²
540 cd/m²

Sustained 25% Window 
 

472 cd/m²
731 cd/m²

Sustained 50% Window 
 

294 cd/m²
607 cd/m²

Sustained 100% Window 
 

195 cd/m²
530 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.097
0.023
Show Text 

Gray Uniformity 
 

8.1
8.1

50% Uniformity Picture  

LG C4 OLED 50% Uniformity Picture
Sony X900H 50% Uniformity Picture

50% Std. Dev. 
 

1.063%
2.447%

50% DSE 
 

0.120%
0.155%

5% Uniformity Picture  

LG C4 OLED 5% Uniformity Picture
Sony X900H 5% Uniformity Picture

5% Std. Dev. 
 

0.323%
0.356%

5% DSE 
 

0.102%
0.086%
Show Text 

Black Uniformity 
 

10
8.8

Native Black Uniformity Picture  

LG C4 OLED Native Black Uniformity Picture
Sony X900H Native Black Uniformity Picture

Native Std. Dev. 
 

0.144%
0.558%

Black Uniformity Picture with Local Dimming  

LG C4 OLED Black Uniformity Picture with Local Dimming
Sony X900H Black Uniformity Picture with Local Dimming

Std. Dev. w/ L.D. 
 

N/A
1.390%
Show Text 

Viewing Angle 
 

8.9
5.5

Viewing Angle Video  

Chroma Graph  

LG C4 OLED Chroma Graph
Sony X900H Chroma Graph

Color Washout 
 

48°
23°

Hue Graph  

LG C4 OLED Hue Graph
Sony X900H Hue Graph

Color Shift 
 

27°
25°

Lightness Graph  

LG C4 OLED Lightness Graph
Sony X900H Lightness Graph

Brightness Loss 
 

70°
34°

Black Level Raise 
 

70°
16°

Gamma Shift 
 

70°
24°
Show Text 

Reflections 
 

6.5
7.3

Reflections Picture  

Sony X900H Reflections Picture

Average Room Off Picture  

Sony X900H Average Room Off Picture

Bright Room Off Picture  

LG C4 OLED Bright Room Off Picture
Sony X900H Bright Room Off Picture

Screen Finish 
 

Glossy
Semi-gloss

Total Reflections 
 

5.4%

Indirect Reflections 
 

0.8%

Calculated Direct Reflections 
 

4.6%
Show Text 

Pre Calibration 
 

8.7
8.7

Pre White Balance Picture  

LG C4 OLED Pre White Balance Picture
Sony X900H Pre White Balance Picture

Pre Gamma Curve Picture  

LG C4 OLED Pre Gamma Curve Picture
Sony X900H Pre Gamma Curve Picture

Pre Color Picture  

LG C4 OLED Pre Color Picture
Sony X900H Pre Color Picture

White Balance dE 
 

1.61
1.73

Color dE 
 

0.97
1.89

Gamma 
 

2.19
2.23

Color Temperature 
 

6,262 K
6,460 K

Picture Mode 
 

Expert (Dark Space)
Custom

Color Temp Setting 
 

Warm 50
Expert 1

Gamma Setting 
 

2.2
0
Show Text 

Post Calibration 
 

9.7
9.2

Post White Balance Picture  

LG C4 OLED Post White Balance Picture
Sony X900H Post White Balance Picture

Post Gamma Curve Picture  

LG C4 OLED Post Gamma Curve Picture
Sony X900H Post Gamma Curve Picture

Post Color Picture  

LG C4 OLED Post Color Picture
Sony X900H Post Color Picture

White Balance dE 
 

0.26
0.54

Color dE 
 

0.62
1.70

Gamma 
 

2.20
2.20

Color Temperature 
 

6,460 K
6,509 K

White Balance Calibration 
 

22 point
10 point

Color Calibration 
 

Yes
No
Show Text 

480p Input 
 

8.0
8.0

480p Picture  

LG C4 OLED 480p Picture
Sony X900H 480p Picture
Show Text 

720p Input 
 

8.0

720p Picture  

Sony X900H 720p Picture
Show Text 

1080p Input 
 

9.0

1080p Picture  

Sony X900H 1080p Picture
Show Text 

4k Input 
 

10

4k Picture  

Sony X900H 4k Picture
Show Text 

8k Input 
 

0.0

8k Picture  

Sony X900H 8k Picture
Show Text 

Pixels 
 

Pixels Picture  

LG C4 OLED Pixels Picture
Sony X900H Pixels Picture

Type  

OLED
LED

Sub-Type 
 

WOLED
VA
Show Text 

Color Gamut 
 

7.9

Wide Color Gamut 
 

Yes

Color Gamut DCI-P3 Picture  

Sony X900H Color Gamut DCI-P3 Picture

DCI P3 xy 
 

87.31%

DCI P3 uv 
 

93.11%

Color Gamut Rec.2020 Picture  

Sony X900H Color Gamut Rec.2020 Picture

Rec 2020 xy 
 

63.98%

Rec 2020 uv 
 

71.22%
Show Text 

Color Volume 
 

7.6
7.2

P3 Color Volume ITP Picture  

LG C4 OLED P3 Color Volume ITP Picture
Sony X900H P3 Color Volume ITP Picture

Normalized DCI P3 Coverage ITP 
 

76.1%

10,000 cd/m² DCI P3 Coverage ITP 
 

79.2%
31.0%

2020 Color Volume ITP Picture  

LG C4 OLED 2020 Color Volume ITP Picture
Sony X900H 2020 Color Volume ITP Picture

Normalized Rec 2020 Coverage ITP 
 

66.6%

10,000 cd/m² Rec 2020 Coverage ITP 
 

36.2%
26.5%
Show Text 

Gradient 
 

7.8
8.9

Gradient Picture  

LG C4 OLED Gradient Picture
Sony X900H Gradient Picture

Color Depth 
 

10 Bit

Red (Std. Dev.) 
 

0.077

Green (Std. Dev.) 
 

0.095

Blue (Std. Dev.) 
 

0.071

Gray (Std. Dev.) 
 

0.084
Show Text 

Temporary Image Retention 
 

10

Image Retention Picture  

Sony X900H Image Retention Picture

IR after 0 min recovery 
 

0.00%

IR after 2 min recovery 
 

0.00%

IR after 4 min recovery 
 

0.00%

IR after 6 min recovery 
 

0.00%

IR after 8 min recovery 
 

0.00%

IR after 10 min recovery 
 

0.00%
Show Text 

Permanent Burn-In Risk 
 

10

Permanent Burn-In Risk 
 

No
Show Text 
Motion

Response Time 
 

9.6
8.3

Motion Blur Picture  

LG C4 OLED Motion Blur Picture
Sony X900H Motion Blur Picture

Response Time Chart  

Sony X900H Response Time Chart

80% Response Time 
 

4.0 ms

100% Response Time 
 

11.2 ms
Show Text 

Flicker-Free 
 

0.0
9.5

Backlight chart 
 

LG C4 OLED Backlight chart
Sony X900H Backlight chart

Flicker-Free 
 

No
No

PWM Dimming Frequency 
 

0 Hz
720 Hz
Show Text 

Black Frame Insertion (BFI) 
 

0.0
6.0

BFI Picture  

LG C4 OLED BFI Picture
Sony X900H BFI Picture

BFI Frequency Picture  

LG C4 OLED BFI Frequency Picture
Sony X900H BFI Frequency Picture

Optional BFI 
 

Yes
Yes

Min Flicker For 60 fps 
 

60 Hz
120 Hz

60Hz For 60 fps 
 

Yes
No

120Hz For 120 fps 
 

No
Yes

Min Flicker for 60 fps in Game Mode 
 

60 Hz
120 Hz
Show Text 

Motion Interpolation 
 

Motion Interpolation (30 fps) Picture  

LG C4 OLED Motion Interpolation (30 fps) Picture
Sony X900H Motion Interpolation (30 fps) Picture

Motion Interpolation (30 fps) 
 

Yes
Yes

Motion Interpolation (60 fps) Picture  

LG C4 OLED Motion Interpolation (60 fps) Picture
Sony X900H Motion Interpolation (60 fps) Picture

Motion Interpolation (60 fps) 
 

Yes
Yes
Show Text 

Stutter 
 

4.2
7.0

Frame Hold Time @ 24 fps 
 

41.3 ms
30.5 ms

Frame Hold Time @ 60 fps 
 

16.3 ms
5.5 ms
Show Text 

24p Judder 
 

10
10

Judder-Free 24p 
 

Yes
Yes

Judder-Free 24p via 60p 
 

Yes
Yes

Judder-Free 24p via 60i 
 

Yes
Yes

Judder-Free 24p via Native Apps 
 

Yes
Yes
Show Text 

Variable Refresh Rate 
 

8.5
9.4

Native Refresh Rate 
 

144Hz
120 Hz

Variable Refresh Rate 
 

Yes
Yes

HDMI Forum VRR 
 

Yes
Yes

FreeSync 
 

Yes
No

G-SYNC Compatible 
 

Yes (NVIDIA Certified)
Yes

4k VRR Maximum 
 

144 Hz
120 Hz

4k VRR Minimum 
 

< 20 Hz
< 20 Hz

1080p VRR Maximum 
 

144 Hz
120 Hz

1080p VRR Minimum 
 

< 20 Hz
< 20 Hz

1440p VRR Maximum 
 

1440p VRR Minimum 
 

Unknown

VRR Supported Connectors 
 

HDMI
Show Text 

Check Price

42"
 
48"
OLED48C4PUA
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48"
 
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77"
OLED77C4PUA
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77"
 
83"
 
85"
 

LG C4 OLED

Sony X900H

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