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TV 2.0 is finally here! With this massive update, we've completely revamped the way we test and score TVs, with an emphasis on how a TV performs in a bright room. You can read about all the changes in our 2.0 changelog.
- Table of Contents
- Top
- Main Differences
- Market Context
- Design
- Picture Quality
- Motion
- Inputs
- Sound Quality
- Smart Features
- Comments
LG SM8600 vs Sony X850G
Side-by-Side Comparison
Products
LG SM8600
Sony X850G
Tested using Methodology v1.5
Updated May 29, 2023 03:07 PM
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Amazon.comTested using Methodology v1.5
Updated Sep 04, 2021 12:42 AM
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Amazon.com
TypeLED
Sub-TypeIPS
Resolution4k
TypeLED
Sub-TypeIPS (except 85")
Resolution4k
Variants
- 49SM8600PUA (49")
- 55SM8600PUA (55")
- 65SM8600PUA (65")
- 75SM8670PUA (75")
- XBR-55X850G (55")
- XBR-65X850G (65")
- XBR-75X850G (75")
- XBR-85X850G (85")
Our Verdict
LG SM8600
Sony X850G
The Sony X850G is marginally better than the LG SM8600. The Sony can get much brighter, has better gray uniformity, better viewing angles, and slightly better motion handling. On the other hand, the LG has better contrast, local dimming, and a wider color gamut.
Check Price
49"
49SM8600PUA
SEE PRICE
Amazon.com49"
55"
55SM8600PUA
SEE PRICE
Amazon.com55"
XBR-55X850G
SEE PRICE
Amazon.com65"
65SM8600PUA
SEE PRICE
Amazon.com65"
XBR-65X850G
SEE PRICE
Amazon.com75"
75SM8670PUA
SEE PRICE
Amazon.com75"
XBR-75X850G
SEE PRICE
Amazon.com85"
85"
XBR-85X850G
SEE PRICE
Amazon.comMain Differences for
Threshold
Mixed Usage
7.0
7.1
SDR Peak Brightness
5.7
8.1
Local Dimming
1.5
0.0
Full Comparison
Market Context
Market Context
Design
Style
9.0
8.5
Design Picture
Curved
No
No
Stand
Stand Picture
Back
Back Picture
Wall Mount
VESA 300x300
VESA 300x300
Borders
Borders Picture
Borders
0.45" (1.2 cm)
0.55" (1.4 cm)
Thickness
Thickness Picture
Max Thickness
2.50" (6.4 cm)
1.89" (4.8 cm)
Build Quality
7.0
7.5
Build quality picture
Picture Quality
Contrast
6.3
5.6
Checkerboard Picture
Native Contrast
1,176 : 1
799 : 1
Contrast with local dimming
1,182 : 1
N/A
Local Dimming
1.5
0.0
Local Dimming Video
Local Dimming
Yes
No
Backlight
Edge
Edge
SDR Peak Brightness
5.7
8.1
SDR Real Scene Peak Brightness
253 cd/m²
431 cd/m²
SDR Peak 2% Window
104 cd/m²
446 cd/m²
SDR Peak 10% Window
182 cd/m²
446 cd/m²
SDR Peak 25% Window
283 cd/m²
446 cd/m²
SDR Peak 50% Window
282 cd/m²
446 cd/m²
SDR Peak 100% Window
281 cd/m²
446 cd/m²
SDR Sustained 2% Window
103 cd/m²
445 cd/m²
SDR Sustained 10% Window
181 cd/m²
446 cd/m²
SDR Sustained 25% Window
283 cd/m²
446 cd/m²
SDR Sustained 50% Window
281 cd/m²
446 cd/m²
SDR Sustained 100% Window
281 cd/m²
446 cd/m²
SDR ABL
0.070
0.000
HDR Peak Brightness
5.5
6.9
HDR Real Scene Peak Brightness
308 cd/m²
497 cd/m²
HDR Peak 2% Window
432 cd/m²
584 cd/m²
HDR Peak 10% Window
428 cd/m²
584 cd/m²
HDR Peak 25% Window
377 cd/m²
584 cd/m²
HDR Peak 50% Window
336 cd/m²
585 cd/m²
HDR Peak 100% Window
336 cd/m²
584 cd/m²
HDR Sustained 2% Window
240 cd/m²
583 cd/m²
HDR Sustained 10% Window
270 cd/m²
583 cd/m²
HDR Sustained 25% Window
334 cd/m²
583 cd/m²
HDR Sustained 50% Window
335 cd/m²
584 cd/m²
HDR Sustained 100% Window
335 cd/m²
583 cd/m²
HDR ABL
0.024
0.000
Gray Uniformity
7.4
7.9
50% Uniformity Picture
50% Std. Dev.
4.707%
3.430%
50% DSE
0.167%
0.145%
5% Uniformity Picture
5% Std. Dev.
0.467%
0.567%
5% DSE
0.116%
0.107%
Viewing Angle
6.8
7.4
Viewing Angle Video
Chroma Graph
Color Washout
26°
29°
Hue Graph
Color Shift
45°
65°
Lightness Graph
Brightness Loss
30°
35°
Black Level Raise
70°
70°
Gamma Shift
28°
33°
Black Uniformity
4.9
4.9
Native Black Uniformity Picture
Native Std. Dev.
2.050%
2.718%
Black Uniformity Picture with Local Dimming
Std. Dev. w/ L.D.
4.766%
N/A
Reflections
8.5
8.7
Reflections Picture
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Semi-gloss
Semi-gloss
Total Reflections
3.0%
2.6%
Indirect Reflections
0.5%
0.6%
Calculated Direct Reflections
2.4%
2.0%
Pre Calibration
6.0
6.4
Pre White Balance Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE
5.12
4.34
Color dE
3.47
3.60
Gamma
2.11
2.06
Color Temperature
5,905 K
5,988 K
Picture Mode
Expert (Dark Room)
Custom
Color Temp Setting
Warm 2
Expert 1
Gamma Setting
2.2
0
Post Calibration
9.5
9.1
Post White Balance Picture
Post Gamma Curve Picture
Post Color Picture
White Balance dE
0.62
0.20
Color dE
0.85
2.18
Gamma
2.16
2.18
Color Temperature
6,526 K
6,527 K
White Balance Calibration
22 point
10 point
Color Calibration
Yes
Yes
Auto-Calibration Function
Yes
No
480p Input
8.0
8.0
480p Picture
720p Input
8.0
8.0
720p Picture
1080p Input
9.0
9.0
1080p Picture
4k Input
10
10
4k Picture
8k Input
0.0
0.0
8k Picture
Pixels
Pixels Picture
Type
LED
LED
Sub-Type
IPS
IPS (except 85")
Color Gamut
7.8
7.6
Wide Color Gamut
Yes
Yes
Color Gamut DCI-P3 Picture
DCI P3 xy
85.69%
83.59%
DCI P3 uv
91.67%
90.72%
Color Gamut Rec.2020 Picture
Rec 2020 xy
63.26%
61.13%
Rec 2020 uv
70.41%
68.05%
EOTF
Color Volume
6.8
5.9
P3 Color Volume ITP Picture
Normalized DCI P3 Coverage ITP
77.2%
64.0%
10,000 cd/m² DCI P3 Coverage ITP
35.0%
32.5%
2020 Color Volume ITP Picture
Normalized Rec 2020 Coverage ITP
59.3%
53.9%
10,000 cd/m² Rec 2020 Coverage ITP
26.8%
27.4%
Gradient
8.8
8.7
Gradient Picture
Color Depth
10 Bit
10 Bit
Red (Std. Dev.)
0.087
0.101
Green (Std. Dev.)
0.096
0.101
Blue (Std. Dev.)
0.075
0.079
Gray (Std. Dev.)
0.077
0.072
Temporary Image Retention
9.8
9.9
Image Retention Picture
IR after 0 min recovery
0.06%
0.05%
IR after 2 min recovery
0.00%
0.00%
IR after 4 min recovery
0.00%
0.00%
IR after 6 min recovery
0.00%
0.00%
IR after 8 min recovery
0.00%
0.00%
IR after 10 min recovery
0.00%
0.00%
Permanent Burn-In Risk
10
10
Permanent Burn-In Risk
No
No
Motion
Response Time
8.2
8.0
Motion Blur Picture
Response Time Chart
80% Response Time
4.2 ms
4.3 ms
100% Response Time
12.4 ms
13.3 ms
Flicker-Free
6.0
10
Backlight chart
Flicker-Free
No
Yes
PWM Dimming Frequency
240 Hz
0 Hz
Black Frame Insertion (BFI)
10
6.0
BFI Picture
BFI Frequency Picture
Optional BFI
Yes
Yes
Min Flicker for 60 fps
60 Hz
120 Hz
60 Hz for 60 fps
Yes
No
120 Hz for 120 fps
Yes
Yes
Min Flicker for 60 fps in Game Mode
60 Hz
120 Hz
Motion Interpolation
Motion Interpolation (30 fps) Picture
Motion Interpolation (30 fps)
Yes
Yes
Motion Interpolation (60 fps) Picture
Motion Interpolation (60 fps)
Yes
Yes
Stutter
7.2
7.4
Frame Hold Time @ 24 fps
29.3 ms
28.4 ms
Frame Hold Time @ 60 fps
4.3 ms
3.4 ms
24p Judder
8.9
10
Judder-Free 24p
Yes
Yes
Judder-Free 24p via 60p
Yes
Yes
Judder-Free 24p via 60i
No
Yes
Judder-Free 24p via Native Apps
Yes
Yes
Variable Refresh Rate
0.0
0.0
Native Refresh Rate
120 Hz
120 Hz
Variable Refresh Rate
No
No
HDMI Forum VRR
No
No
FreeSync
No
No
G-SYNC Compatible
No
No
4k VRR Maximum
N/A
N/A
4k VRR Minimum
No VRR support
No VRR support
1080p VRR Maximum
N/A
N/A
1080p VRR Minimum
No VRR support
No VRR support
1440p VRR Maximum
N/A
N/A
1440p VRR Minimum
No VRR support
No VRR support
VRR Supported Connectors
No VRR support
No VRR support
Inputs
Input Lag
8.7
8.7
1080p @ 60 Hz
14.0 ms
14.7 ms
1080p @ 60 Hz Outside Game Mode
34.6 ms
91.1 ms
1440p @ 60 Hz
14.0 ms
N/A
4k @ 60 Hz
14.0 ms
14.6 ms
4k @ 60 Hz + 10 bit HDR
13.8 ms
14.6 ms
4k @ 60 Hz @ 4:4:4
30.5 ms
14.6 ms
4k @ 60 Hz Outside Game Mode
34.7 ms
91.3 ms
4k @ 60 Hz With Interpolation
82.3 ms
87.2 ms
8k @ 60 Hz
N/A
N/A
1080p @ 120 Hz
6.8 ms
N/A
1440p @ 120 Hz
6.8 ms
N/A
4k @ 120 Hz
N/A
N/A
1080p with Variable Refresh Rate
N/A
N/A
1440p with VRR
N/A
N/A
4k with VRR
N/A
N/A
8k with VRR
N/A
N/A
Auto Low Latency Mode (ALLM)
Yes
No
Supported Resolutions
9.6
7.5
Resolution
4k
4k
1080p @ 60 Hz @ 4:4:4
Yes
Yes
1080p @ 120 Hz
Yes (native support)
No
1440p @ 60 Hz
Yes (forced resolution required)
No
1440p @ 120 Hz
Yes (native support)
No
4k @ 60 Hz
Yes
Yes
4k @ 60 Hz @ 4:4:4
Yes
Yes
4k @ 120 Hz
No
No
8k @ 30 Hz or 24 Hz
No
No
8k @ 60 Hz
No
No
Input Photos
Side Inputs Picture
Rear Inputs Picture
Total Inputs
HDMI
4
4
USB
3
3
Digital Optical Audio Out
1
1
Analog Audio Out 3.5mm
0
1
Analog Audio Out RCA
0
0
Component In
0
1 (shared)
Composite In
1 (incl. adapter)
1 (shared)
Tuner (Cable/Ant)
1
1
Ethernet
1
1
DisplayPort
0
0
IR In
0
1
SD/SDHC
0
0
Inputs Specifications
HDR10
Yes
Yes
HDR10+
No
No
Dolby Vision
Yes
Yes
HLG
Yes
Yes
3D
No
No
HDMI 2.0 Full Bandwidth
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)
HDMI 2.1
No
No
CEC
Yes
Yes
HDCP 2.2
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)
USB 3.0
No
Yes (1)
Variable Analog Audio Out
No
Yes
Wi-Fi Support
Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
Audio Passthrough
ARC
Yes (HDMI 2)
Yes (HDMI 3)
eARC support
No
Yes
Dolby Atmos via TrueHD via eARC
No
Yes
DTS:X via DTS-HD MA via eARC
No
Yes
5.1 Dolby Digital via ARC
Yes
Yes
5.1 DTS via ARC
Yes
Yes
5.1 Dolby Digital via Optical
Yes
Yes
5.1 DTS via Optical
Yes
Yes
Sound Quality
Frequency Response
5.2
6.6
Frequency Response
Low-Frequency Extension
151.02 Hz
119.87 Hz
Std. Dev. @ 70
3.48 dB
2.81 dB
Std. Dev. @ 80
4.20 dB
3.24 dB
Std. Dev. @ Max
7.06 dB
5.25 dB
Max
84.8 dB SPL
89.0 dB SPL
Dynamic Range Compression
4.77 dB
4.78 dB
Distortion
6.3
4.4
Total Harmonic Distortion
Weighted THD @ 80
0.184
1.537
Weighted THD @ Max
0.955
21.161
IMD @ 80
8.52%
9.88%
IMD @ Max
20.95%
55.95%
Smart Features
Interface
8.5
7.5
Smart TV Picture
Smart OS
WebOS
Android TV
Version
4.5
9.0
Ease of Use
Easy
Average
Smoothness
Average
Very Smooth
Time Taken to Select YouTube
2 s
2 s
Time Taken to Change Backlight
9 s
4 s
Advanced Options
Many
Many
Ad-Free
0.0
0.0
Ads Picture
Ads
Yes
Yes
Opt-out
No
No
Suggested Content in Home
Yes
Yes
Opt-out of Suggested Content
No
Yes
Apps and Features
8.0
9.0
Apps Picture
App Selection
Great
Great
App Smoothness
Average
Very Smooth
Cast Capable
Yes
Yes
USB Drive Playback
Yes
Yes
USB Drive HDR Playback
Yes
Yes
HDR in Netflix
Yes
Yes
HDR in YouTube
Yes
Yes
Remote
9.0
8.5
Remote Picture
Size
Large
Large
Voice Control
Many Features
Many Features
CEC Menu Control
Yes
Yes
Other Smart Features
Yes
No
Remote App
LG TV Plus
Android TV
TV Controls
Controls Picture
In The Box
In The Box Picture
Misc
Power Consumption
54 W
67 W
Power Consumption (Max)
116 W
171 W
Firmware
03.50.20
PKG6.2341.0306NAA
Check Price
49"
49SM8600PUA
SEE PRICE
Amazon.com49"
55"
55SM8600PUA
SEE PRICE
Amazon.com55"
XBR-55X850G
SEE PRICE
Amazon.com65"
65SM8600PUA
SEE PRICE
Amazon.com65"
XBR-65X850G
SEE PRICE
Amazon.com75"
75SM8670PUA
SEE PRICE
Amazon.com75"
XBR-75X850G
SEE PRICE
Amazon.com85"
85"
XBR-85X850G
SEE PRICE
Amazon.com
LG SM8600
Sony X850G
Comments
LG SM8600 vs Sony X850G: Main Discussion
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