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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Features
- Comments
LG 42 C2 OLED vs Samsung Odyssey OLED G85SB S34BG85
Side-by-Side Comparison
Products
LG C2 42 OLED
Samsung Odyssey OLED G85SB S34BG85
Tested using Methodology v1.2
Updated Aug 26, 2024 11:53 AM
SEE PRICE
Amazon.comTested using Methodology v2.0.1
Updated Feb 19, 2025 04:47 PM
SEE PRICE
Amazon.com
Max Refresh Rate120 Hz
Size42"
Pixel TypeOLED
Native Resolution3840 x 2160
Variable Refresh RateYes
HDR10Yes
Max Refresh Rate175 Hz
Size34"
Pixel TypeQD-OLED
Native Resolution3440 x 1440
Variable Refresh RateYes
HDR10Yes
Variants
- OLED42C2PUA (42")
- LS34BG850SNXZA (34")
Our Verdict
LG 42 C2 OLED
Samsung Odyssey OLED G85SB S34BG85
The LG 42 C2 OLED, which is a TV we tested as a monitor, and the Samsung Odyssey OLED G8/G85SB S34BG85 both use an OLED panel, but the Samsung is a QD-OLED. This means you have a wider range of colors with better luminance levels than the LG. If you're gaming on a PC, the Samsung monitor's 175Hz maximum refresh rate makes it a better choice. If you mostly game on new-gen consoles and enjoy watching movies, the LG is a better option because of its 4k resolution.
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42"
OLED42C2PUA
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LS34BG850SNXZA
Searching
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OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding storeNotice:
Two or more of the products selected have been tested with different test methodologies, so some of the results below aren't directly comparable.
Learn how our test benches and scoring system work, and read more about the latest changes to our
monitors test methodology.
Read more
Main Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
8.3
Full Comparison
Design
Style
Design Picture
Curved
No
Yes
Curve Radius
Not Curved
1800R
Accelerated Longevity Test
Uniformity Pictures
Month 20
50% Gray
Longevity Graph
Build Quality
9.0
8.5
Build Quality Picture
Ergonomics
0.0
6.7
Ergonomics Picture
Back Picture
Height Adjustment
0.0" (0.0 cm)
4.7" (12.0 cm)
Min Height To Top Of Panel
15.5" (39.3 cm)
Tilt Range
No Tilt
-20° to 2.5°
Rotate Portrait/Landscape
No
No
Swivel Range
No swivel
No swivel
Wall Mount
VESA 300x200
VESA 100x100
Stand
Stand Picture
Thickness Picture
Base Width
28.1" (71.5 cm)
7.2" (18.2 cm)
Base Depth
6.7" (16.9 cm)
7.6" (19.3 cm)
Thickness (With Display)
4.0" (10.1 cm)
5.3" (13.5 cm)
Weight (With Display)
19.4 lbs (8.8 kg)
16.7 lbs (7.6 kg)
Display
Display Picture
Size
42"
34"
Housing Width
36.7" (93.2 cm)
32.1" (81.5 cm)
Housing Height
21.3" (54.1 cm)
14.1" (35.7 cm)
Thickness (Without Stand)
1.5" (3.8 cm)
2.2" (5.5 cm)
Weight (Without Stand)
19.0 lbs (8.6 kg)
12.2 lbs (5.5 kg)
Borders Size (Bezels)
0.3" (0.7 cm)
0.4" (1.1 cm)
Controls
Controls Picture
In The Box
In The Box Picture
Power Supply
Internal
External Brick
Picture Quality
Contrast
10
10
Checkerboard Picture
Native Contrast
Inf : 1
Inf : 1
Contrast With Local Dimming
N/A
Inf : 1
Local Dimming
10
10
Local Dimming Video
Local Dimming
No
No
Backlight
No Backlight
No Backlight
SDR Brightness
5.8
6.6
Real Scene
190 cd/m²
230 cd/m²
Peak 2% Window
182 cd/m²
249 cd/m²
Peak 10% Window
187 cd/m²
242 cd/m²
Peak 25% Window
188 cd/m²
243 cd/m²
Peak 50% Window
190 cd/m²
242 cd/m²
Peak 100% Window
182 cd/m²
243 cd/m²
Sustained 2% Window
172 cd/m²
247 cd/m²
Sustained 10% Window
178 cd/m²
240 cd/m²
Sustained 25% Window
181 cd/m²
241 cd/m²
Sustained 50% Window
184 cd/m²
240 cd/m²
Sustained 100% Window
177 cd/m²
241 cd/m²
Automatic Brightness Limiting (ABL)
0.003
0.002
Minimum Brightness
29 cd/m²
61 cd/m²
HDR Brightness
7.1
6.6
EOTF
VESA DisplayHDR Certification
No Certification
DisplayHDR TRUE BLACK 400
Real Scene
575 cd/m²
372 cd/m²
Peak 2% Window
678 cd/m²
985 cd/m²
Peak 10% Window
699 cd/m²
456 cd/m²
Peak 25% Window
351 cd/m²
360 cd/m²
Peak 50% Window
210 cd/m²
302 cd/m²
Peak 100% Window
133 cd/m²
255 cd/m²
Sustained 2% Window
602 cd/m²
977 cd/m²
Sustained 10% Window
652 cd/m²
454 cd/m²
Sustained 25% Window
332 cd/m²
357 cd/m²
Sustained 50% Window
199 cd/m²
300 cd/m²
Sustained 100% Window
108 cd/m²
252 cd/m²
Automatic Brightness Limiting (ABL)
0.115
0.078
Horizontal Viewing Angle
8.5
10
Horizontal Viewing Angle Video
Horizontal Chroma Graph
Color Washout From Left
44°
70°
Color Washout From Right
47°
70°
Horizontal Hue Graph
Color Shift From Left
28°
70°
Color Shift From Right
28°
70°
Horizontal Lightness Graph
Brightness Loss From Left
63°
70°
Brightness Loss From Right
62°
70°
Black Level Raise From Left
70°
70°
Black Level Raise From Right
70°
70°
Gamma Shift From Left
65°
70°
Gamma Shift From Right
63°
70°
Vertical Viewing Angle
8.9
9.9
Vertical Viewing Angle Video
Vertical Chroma Graph
Color Washout From Below
49°
70°
Color Washout From Above
50°
70°
Vertical Hue Graph
Color Shift From Below
29°
70°
Color Shift From Above
29°
70°
Vertical Lightness Graph
Brightness Loss From Below
68°
70°
Brightness Loss From Above
68°
70°
Black Level Raise From Below
70°
61°
Black Level Raise From Above
70°
61°
Gamma Shift From Below
70°
70°
Gamma Shift From Above
70°
70°
Gray Uniformity
8.8
8.8
50% Uniformity Picture
50% Std. Dev.
0.803%
0.784%
50% DSE
0.126%
0.125%
Black Uniformity
10
10
Native Black Uniformity Picture
Native Std. Dev.
0.094%
0.433%
Black Uniformity Picture With Local Dimming
Std. Dev. w/ L.D.
N/A
N/A
Color Accuracy (Pre-Calibration)
8.2
8.0
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
Game Optimizer
Game (Custom)
sRGB Gamut Area xy
97.5%
101.7%
White Balance dE (Avg.)
4.18
4.86
Color Temperature (Avg.)
6,180 K
6,759 K
Gamma (Avg.)
2.12
2.16
Color dE (Avg.)
2.60
3.04
Contrast Setting
95
50
RGB Settings
Warm 50
Gain (0,0,0), Offset (0,0,0)
Gamma Setting
2.2
2.2
Brightness Setting
100
32
Measured Brightness
186 cd/m²
183 cd/m²
Brightness Locked
No
No
Color Accuracy (Post-Calibration)
9.0
8.5
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Game Optimizer
Game (Custom)
sRGB Gamut Area xy
96.3%
108.9%
White Balance dE (Avg.)
1.11
0.72
Color Temperature (Avg.)
6,392 K
6,470 K
Gamma (Avg.)
2.28
2.20
Color dE (Avg.)
1.94
1.42
Contrast Setting
85
50
RGB Settings
High (-14, 2, -4), Low (0, 0, 7)
Gain (6,-7,1), Offset (2,2,1)
Gamma Setting
2.2
2.2
Brightness Setting
56
3
Measured Brightness
103 cd/m²
101 cd/m²
SDR Color Gamut
9.0
9.7
sRGB Color Gamut Picture
sRGB Coverage xy
96.7%
99.3%
sRGB Picture Mode
Game Optimizer
Game (Custom)
Adobe RGB Color Gamut Picture
Adobe RGB Coverage xy
85.9%
94.1%
Adobe RGB Picture Mode
Game Optimizer
Game (Custom)
HDR Color Gamut
8.9
9.6
Wide Color Gamut
Yes
Yes
DCI-P3 Color Gamut Picture
DCI-P3 Coverage xy
96.2%
99.6%
DCI-P3 Picture Mode
Game Optimizer
Game (Custom)
Rec. 2020 Color Gamut Picture
Rec. 2020 Coverage xy
69.3%
79.9%
Rec. 2020 Picture Mode
Game Optimizer
Game (Custom)
HDR Color Volume
7.4
8.9
DCI-P3 Color Volume ITP Picture
1,000 cd/m² DCI-P3 Coverage ICtCp
75.5%
97.1%
DCI-P3 Picture Mode
Game Optimizer
Game (Custom)
Rec. 2020 Color Volume ITP Picture
10,000 cd/m² Rec. 2020 Coverage ICtCp
58.6%
47.2%
Rec. 2020 Picture Mode
Game Optimizer
Game (Custom)
Text Clarity
7.0
7.0
ClearType On
ClearType Off
Pixel Type
OLED
QD-OLED
Pixels
Subpixel Layout
RWBG
Triangular RGB
Reflections
9.3
9.4
Average Room
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Glossy
Glossy
Total Reflections
1.2%
1.4%
Indirect Reflections
0.1%
0.9%
Calculated Direct Reflections
1.0%
0.5%
Gradient
9.3
9.7
Gradient Picture
Color Depth
10 Bit
10 Bit
SDR Color Volume
9.7
sRGB Color Volume ITP Picture
sRGB In ICtCp
98.3%
sRGB Picture Mode
Game Optimizer
Adobe RGB Color Volume ITP Picture
Adobe RGB In ICtCp
92.6%
Adobe RGB Picture Mode
Game Optimizer
Motion
Refresh Rate
8.0
7.6
Native Refresh Rate
120 Hz
175 Hz
Max Refresh Rate
120 Hz
175 Hz
Max Refresh Rate Over DP
N/A
175 Hz
Max Refresh Rate Over HDMI
120 Hz
175 Hz
Max Refresh Rate Over DP @ 10-bit
N/A
175 Hz
Max Refresh Rate Over HDMI @ 10-Bit
120 Hz
175 Hz
Variable Refresh Rate (VRR)
Variable Refresh Rate
Yes
Yes
FreeSync
Yes
Yes
G-SYNC
Compatible (NVIDIA Certified)
Compatible (Tested)
VRR Maximum
120 Hz
175 Hz
VRR Minimum
< 20 Hz
< 20 Hz
VRR Supported Connectors
HDMI
DisplayPort, HDMI
VRR Motion Performance
9.9
Pursuit Photo VRR
OD Mode CAD Comparison
Recommended VRR OD Setting
No OD Mode
Variable Overdrive Advertised
No
Avg. CAD
8
Best CAD
8
Worst CAD
8
Refresh Rate Compliance
9.6
Fast GTG Sequence
VRR Compliance
Compliance @ Max Hz
94%
Compliance @ 120 FPS
95%
Compliance @ 60 FPS
95%
Response Time @ 60Hz
9.7
Motion Blur Picture
Response Time Table
Recommended Overdrive Setting
No Overdrive
No OD Mode
Rise / Fall Time
0.5 ms
0.5 ms
Total Response Time
2.8 ms
0.5 ms
Overshoot Error
0.4%
0 RGB
Worst 3 Rise / Fall Time
0.5 ms
2.5 ms
Worst 3 Total Response Time
16.4 ms
2.5 ms
Worst 3 Overshoot Error
3.6%
N/A
CAD @ Max Refresh Rate
9.9
Pursuit Photo At Max Refresh
CAD Heatmap At Max Refresh
OD Transition Max Refresh Rate
OD no
0 to 31
Recommended Overdrive Setting
No OD Mode
Avg. CAD
8
Best 10% CAD
4
Worst 10% CAD
15
Response Time @ Max Refresh Rate
First Response Time
0.3 ms
0.2 ms
Total Response Time
1.8 ms
0.2 ms
Recommended Overdrive Setting
No Overdrive
No OD Mode
Motion Blur Picture
RGB Overshoot
0.9%
0 RGB
Worst 10% RGB Overshoot
6.9%
0 RGB
Worst 10% First Response Time
0.4 ms
1.2 ms
Worst 10% Total Response Time
8.3 ms
1.2 ms
Heatmap First Response
Heatmap Total Response
Heatmap RGB Overshoot
Response Time Table
CAD @ 120Hz
9.9
Pursuit Photo 120Hz
CAD Heatmap 120Hz
OD Transition 120Hz
OD no
0 to 31
Recommended Overdrive Setting
No OD Mode
Avg. CAD
9
Best 10% CAD
4
Worst 10% CAD
16
Response Time @ 120Hz
Worst 10% First Response Time
0.4 ms
1.3 ms
RGB Overshoot
0.9%
0 RGB
Total Response Time
1.8 ms
0.3 ms
First Response Time
0.3 ms
0.3 ms
Recommended Overdrive Setting
No Overdrive
No OD Mode
Worst 10% Total Response Time
8.3 ms
1.3 ms
Worst 10% RGB Overshoot
6.9%
0 RGB
120Hz First Response Heatmap
120Hz Total Response Heatmap
120Hz Heatmap RGB Overshoot
Motion Blur Picture
Response Time Table
CAD @ 60Hz
9.9
Pursuit Photo 60Hz
CAD Heatmap 60Hz
OD Transition 60Hz
OD no
0 to 31
Recommended Overdrive Setting
No OD Mode
Avg. CAD
14
Best 10% CAD
6
Worst 10% CAD
23
Response Time @ 60Hz
Recommended Overdrive Setting
No Overdrive
No OD Mode
First Response Time
0.5 ms
0.5 ms
Total Response Time
2.8 ms
0.5 ms
RGB Overshoot
0.4%
0 RGB
Worst 10% Total Response Time
16.4 ms
2.5 ms
Worst 10% First Response Time
0.5 ms
2.5 ms
Worst 10% RGB Overshoot
3.6%
N/A
60Hz First Response Heatmap
60Hz Total Response Heatmap
60Hz RGB Overshoot Heatmap
Backlight Strobing (BFI)
Backlight Strobing Picture
Backlight Strobing Frequency Picture
Backlight Strobing (BFI)
Yes
Yes
Maximum Frequency
60 Hz
60 Hz
Minimum Frequency
60 Hz
60 Hz
Longest Pulse Width Brightness
91 cd/m²
137 cd/m²
Shortest Pulse Width Brightness
91 cd/m²
137 cd/m²
Pulse Width Control
No
No
Pulse Phase Control
No
No
Pulse Amplitude Control
Yes
Yes
VRR At The Same Time
No
No
VRR Flicker
5.9
VRR Flicker Video
VRR Flicker Graph
Dark Gray Flicker
4.4 RGB
Middle Gray Flicker
1.0 RGB
Light Gray Flicker
0.8 RGB
Image Flicker
10
10
Backlight Picture
Flicker-Free
No
No
PWM Dimming Frequency
0 Hz
0 Hz
Inputs
Input Lag
8.4
8.4
Native Resolution @ Max Hz
5.3 ms
3.5 ms
Native Resolution @ 120Hz
5.3 ms
5.0 ms
Native Resolution @ 60Hz
10.0 ms
9.6 ms
Backlight Strobing (BFI)
30.0 ms
55.0 ms
Resolution
8.8
7.7
Native Resolution
3840 x 2160
3440 x 1440
Aspect Ratio
16:9
21:9
Megapixels
8.3 MP
5.0 MP
Pixel Density
106 PPI
110 PPI
Measured Screen Diagonal
41.5"
Screen Area
734 in²
PS5 Compatibility
10
7.1
PS5 Compatibility Photo
PS5 Compatibility Table
4k @ 120Hz
Yes
No
4k @ 60Hz
Yes
Yes
1440p @ 120Hz
Yes
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
HDR
Yes
VRR
Yes
Xbox Series X|S Compatibility
10
6.6
XSX Compatibility Photo
XSX Compatibility Table
4k @ 120Hz
Yes
No
4k @ 60Hz
Yes
Yes
1440p @ 120Hz
Yes
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
HDR
Yes
VRR
Yes
Inputs Photos
Inputs 1
Inputs 2
Video And Audio Ports
DisplayPort
No
No
DisplayPort Transmission Bandwidth
No DisplayPort 2.1
Mini DisplayPort
No
1 (DP 1.4)
HDMI
4 (HDMI 2.1)
1 (Micro-HDMI)
HDMI 2.1 Bandwidth
48Gbps (FRL 12x4)
40Gbps (FRL 10x4)
DVI
No
No
VGA
No
No
Daisy Chaining
No
No
3.5mm Audio Out
1
No
HDR10
Yes
Yes
3.5mm Audio In
No
No
3.5mm Microphone In
No
No
USB
USB-A Ports
3
0
USB-A Rated Speed
480Mbps (USB 2.0)
No USB-A Ports
USB-B Upstream Port
No
No
USB-C Ports
0
2
USB-C Upstream
No USB-C Ports
Yes
USB-C Rated Speed
No USB-C Ports
5Gbps (USB 3.2 Gen 1)
USB-C Power Delivery
No USB-C Ports
65W
USB-C DisplayPort Alt Mode
No USB-C Ports
Yes
Thunderbolt
No
No
macOS Compatibility
macOS Screenshot
Features
Additional Features
Speakers
Yes
Yes
RGB Illumination
No
Controllable
Multiple Input Display
No
No
KVM Switch
No
No
On-Screen Display (OSD)
OSD Picture
Check Price
42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store42"
OLED42C2PUA
Searching
Finding store34"
LS34BG850SNXZA
Searching
Finding store
LG 42 C2 OLED
Samsung Odyssey OLED G85SB S34BG85
Comments
LG C2 42 OLED vs Samsung Odyssey OLED G85SB S34BG85: Main Discussion
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