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Products
Samsung Odyssey OLED G85SB S34BG85
MSI MPG 341CQPX QD-OLED
Tested using Methodology v2.0.1
Updated Jul 04, 2025 03:24 PM
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Amazon.comTested using Methodology v2.1
Updated Aug 14, 2025 03:25 PM
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Max Refresh Rate175 Hz
Size34"
Pixel TypeQD-OLED
Native Resolution3440 x 1440
Max Refresh Rate240 Hz
Size34"
Pixel TypeQD-OLED
Native Resolution3440 x 1440
Our Verdict
Samsung Odyssey OLED G85SB S34BG85
MSI MPG 341CQPX QD-OLED
The Samsung Odyssey OLED G85SB S34BG85 and the MSI MPG 341CQPX QD-OLED are 34-inch QD-OLED ultrawide gaming monitors. For most people, the MSI is the better option, as it has a higher refresh rate for smoother motion, a KVM switch, and HDMI 2.1 bandwidth. That said, the Samsung is an excellent monitor, and if you can find it for less, it can be a great choice.
Variants
- LS34BG850SNXZA (34")
- MPG 341CQPX QD-OLED (34")
Check Price
34"
LS34BG850SNXZA
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Amazon.com34"
MPG 341CQPX QD-OLED
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MPG 341CQPX QD-OLED
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MPG 341CQPX QD-OLED
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MPG 341CQPX QD-OLED
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MPG 341CQPX QD-OLED
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Finding storeMain Differences forPC Gaming
PC Gaming
Threshold
PC Gaming
8.9
9.1
Full Comparison
Design
Style
Design Picture
Curved
Yes
Yes
Curve Radius
1800R
1800R
Build Quality
8.5
8.5
Build Quality Picture
Ergonomics
6.7
7.3
Ergonomics Picture
Back Picture
Height Adjustment
4.7" (12.0 cm)
4.0" (10.2 cm)
Min Height To Top Of Panel
15.5" (39.3 cm)
16.5" (41.9 cm)
Tilt Range
-20° to 2.5°
-20° to 5°
Rotate Portrait/Landscape
No
No
Swivel Range
No swivel
-30° to 30°
Wall Mount
VESA 100x100
VESA 100x100
Stand
Stand Picture
Thickness Picture
Base Width
7.2" (18.2 cm)
25.1" (63.8 cm)
Base Depth
7.6" (19.3 cm)
12.5" (31.7 cm)
Thickness (With Display)
5.3" (13.5 cm)
10.6" (27.0 cm)
Weight (With Display)
16.7 lbs (7.6 kg)
19.5 lbs (8.8 kg)
Display
Display Picture
Size
34"
34"
Housing Width
32.1" (81.5 cm)
32.0" (81.3 cm)
Housing Height
14.1" (35.7 cm)
14.3" (36.2 cm)
Thickness (Without Stand)
2.2" (5.5 cm)
5.1" (13.0 cm)
Weight (Without Stand)
12.2 lbs (5.5 kg)
14.8 lbs (6.7 kg)
Borders Size (Bezels)
0.4" (1.1 cm)
0.4" (0.9 cm)
Controls
Controls Picture
In The Box
In The Box Picture
Power Supply
External Brick
Internal
Picture Quality
Contrast
10
10
Checkerboard Picture
Native Contrast
Inf : 1
Inf : 1
Contrast With Local Dimming
Inf : 1
Inf : 1
Local Dimming
10
10
Local Dimming Video
Local Dimming
No
No
Backlight
No Backlight
No Backlight
SDR Brightness
6.6
6.7
Real Scene
230 cd/m²
230 cd/m²
Peak 2% Window
249 cd/m²
258 cd/m²
Peak 10% Window
242 cd/m²
258 cd/m²
Peak 25% Window
243 cd/m²
258 cd/m²
Peak 50% Window
242 cd/m²
258 cd/m²
Peak 100% Window
243 cd/m²
258 cd/m²
Sustained 2% Window
247 cd/m²
254 cd/m²
Sustained 10% Window
240 cd/m²
255 cd/m²
Sustained 25% Window
241 cd/m²
256 cd/m²
Sustained 50% Window
240 cd/m²
256 cd/m²
Sustained 100% Window
241 cd/m²
257 cd/m²
Automatic Brightness Limiting (ABL)
0.002
0.000
Minimum Brightness
61 cd/m²
30 cd/m²
HDR Brightness
6.6
6.8
EOTF
VESA DisplayHDR Certification
DisplayHDR TRUE BLACK 400
DisplayHDR TRUE BLACK 400
Real Scene
372 cd/m²
423 cd/m²
Peak 2% Window
985 cd/m²
1,043 cd/m²
Peak 10% Window
456 cd/m²
483 cd/m²
Peak 25% Window
360 cd/m²
379 cd/m²
Peak 50% Window
302 cd/m²
318 cd/m²
Peak 100% Window
255 cd/m²
266 cd/m²
Sustained 2% Window
977 cd/m²
1,019 cd/m²
Sustained 10% Window
454 cd/m²
474 cd/m²
Sustained 25% Window
357 cd/m²
375 cd/m²
Sustained 50% Window
300 cd/m²
316 cd/m²
Sustained 100% Window
252 cd/m²
265 cd/m²
Automatic Brightness Limiting (ABL)
0.078
0.077
Horizontal Viewing Angle
10
10
Horizontal Viewing Angle Video
Horizontal Chroma Graph
Color Washout From Left
70°
70°
Color Washout From Right
70°
70°
Horizontal Hue Graph
Color Shift From Left
70°
70°
Color Shift From Right
70°
70°
Horizontal Lightness Graph
Brightness Loss From Left
70°
70°
Brightness Loss From Right
70°
70°
Black Level Raise From Left
70°
70°
Black Level Raise From Right
70°
70°
Gamma Shift From Left
70°
70°
Gamma Shift From Right
70°
70°
Vertical Viewing Angle
9.9
9.9
Vertical Viewing Angle Video
Vertical Chroma Graph
Color Washout From Below
70°
70°
Color Washout From Above
70°
70°
Vertical Hue Graph
Color Shift From Below
70°
66°
Color Shift From Above
70°
70°
Vertical Lightness Graph
Brightness Loss From Below
70°
70°
Brightness Loss From Above
70°
70°
Black Level Raise From Below
61°
70°
Black Level Raise From Above
61°
70°
Gamma Shift From Below
70°
67°
Gamma Shift From Above
70°
69°
Gray Uniformity
8.8
8.7
50% Uniformity Picture
50% Std. Dev.
0.784%
0.586%
50% DSE
0.125%
0.134%
Black Uniformity
10
10
Native Black Uniformity Picture
Native Std. Dev.
0.433%
0.202%
Black Uniformity Picture With Local Dimming
Std. Dev. w/ L.D.
N/A
N/A
Color Accuracy (Pre-Calibration)
8.0
8.2
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
Game (Custom)
sRGB
sRGB Gamut Area xy
101.7%
106.2%
White Balance dE (Avg.)
4.86
2.85
Color Temperature (Avg.)
6,759 K
6,408 K
Gamma (Avg.)
2.16
2.24
Color dE (Avg.)
3.04
1.95
Contrast Setting
50
N/A
RGB Settings
Gain (0,0,0), Offset (0,0,0)
Default
Gamma Setting
2.2
No Gamma Setting
Brightness Setting
32
70
Measured Brightness
183 cd/m²
215 cd/m²
Brightness Locked
No
No
Color Accuracy (Post-Calibration)
8.5
9.6
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Game (Custom)
User
sRGB Gamut Area xy
108.9%
102.2%
White Balance dE (Avg.)
0.72
0.46
Color Temperature (Avg.)
6,470 K
6,488 K
Gamma (Avg.)
2.20
2.17
Color dE (Avg.)
1.42
0.65
Contrast Setting
50
70
RGB Settings
Gain (6,-7,1), Offset (2,2,1)
96-99-100
Gamma Setting
2.2
No Gamma Setting
Brightness Setting
3
26
Measured Brightness
101 cd/m²
102 cd/m²
SDR Color Gamut
9.7
9.8
sRGB Color Gamut Picture
sRGB Coverage xy
99.3%
100.0%
sRGB Picture Mode
Game (Custom)
User
Adobe RGB Color Gamut Picture
Adobe RGB Coverage xy
94.1%
95.1%
Adobe RGB Picture Mode
Game (Custom)
User
HDR Color Gamut
9.6
9.5
Wide Color Gamut
Yes
Yes
DCI-P3 Color Gamut Picture
DCI-P3 Coverage xy
99.6%
99.1%
DCI-P3 Picture Mode
Game (Custom)
HDR Peak 1000
Rec. 2020 Color Gamut Picture
Rec. 2020 Coverage xy
79.9%
80.1%
Rec. 2020 Picture Mode
Game (Custom)
HDR Peak 1000
HDR Color Volume
8.9
9.0
DCI-P3 Color Volume ITP Picture
1,000 cd/m² DCI-P3 Coverage ICtCp
97.1%
97.7%
DCI-P3 Picture Mode
Game (Custom)
HDR Peak 1000
Rec. 2020 Color Volume ITP Picture
10,000 cd/m² Rec. 2020 Coverage ICtCp
47.2%
48.7%
Rec. 2020 Picture Mode
Game (Custom)
HDR Peak 1000
Text Clarity
7.0
7.0
ClearType On
ClearType Off
Pixel Type
QD-OLED
QD-OLED
Pixels
Subpixel Layout
Triangular RGB
Triangular RGB
Reflections
9.4
Average Room
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Glossy
Glossy
Total Reflections
1.4%
Indirect Reflections
0.9%
Calculated Direct Reflections
0.5%
Direct Reflections
7.0
Ring Light Picture
Direct Reflections Graph
Peak Direct Reflection Intensity
25.5%
Screen Finish
Glossy
Glossy
Ambient Black Level Raise
4.7
Black Level Raise Picture
Ambient Black Level Raise Graph
Black Luminance @ 0 lx
0.00 cd/m²
Black Luminance @ 1000 lx
3.07 cd/m²
Total Reflected Light
8.8
Bright Room Off Picture
Total Reflection Ring Light Picture
Total Reflected Light Intensity
7,784% ⋅ pixel
Diffraction Artifacts
No
Gradient
9.7
9.8
Gradient Picture
Color Depth
10 Bit
10 Bit
Motion
Refresh Rate
7.6
8.0
Native Refresh Rate
175 Hz
240 Hz
Max Refresh Rate
175 Hz
240 Hz
Max Refresh Rate Over DP
175 Hz
240 Hz
Max Refresh Rate Over HDMI
175 Hz
240 Hz
Max Refresh Rate Over DP @ 10-bit
175 Hz
240 Hz
Max Refresh Rate Over HDMI @ 10-Bit
175 Hz
240 Hz
DSC Toggle
Yes
DSC Off Max Refresh Rate Over DP
165 Hz
DSC Off Max Refresh Rate Over HDMI
N/A
Variable Refresh Rate (VRR)
Variable Refresh Rate
Yes
Yes
FreeSync
Yes
Yes
G-SYNC
Compatible (Tested)
Compatible (Tested)
VRR Maximum
175 Hz
240 Hz
VRR Minimum
< 20 Hz
< 20 Hz
VRR Supported Connectors
DisplayPort, HDMI
DisplayPort, HDMI
VRR Motion Performance
9.9
9.9
Pursuit Photo VRR
OD Mode CAD Comparison
Recommended VRR OD Setting
No OD Mode
No OD Mode
Variable Overdrive Advertised
No
No
Avg. CAD
8
13
Best CAD
8
10
Worst CAD
8
27
Refresh Rate Compliance
9.6
9.7
Fast GTG Sequence
VRR Compliance
Compliance @ Max Hz
94%
91%
Compliance @ 120 FPS
95%
94%
Compliance @ 60 FPS
95%
96%
CAD @ Max Refresh Rate
9.9
9.9
Pursuit Photo At Max Refresh
CAD Heatmap At Max Refresh
OD Transition Max Refresh Rate
OD no
0 to 31
OD noodmode
0 to 31
Recommended Overdrive Setting
No OD Mode
No OD Mode
Avg. CAD
8
10
Best 10% CAD
4
5
Worst 10% CAD
15
16
Response Time @ Max Refresh Rate
First Response Time
0.2 ms
0.2 ms
Total Response Time
0.2 ms
0.4 ms
Recommended Overdrive Setting
No OD Mode
No OD Mode
RGB Overshoot
0 RGB
0 RGB
Worst 10% RGB Overshoot
0 RGB
2 RGB
Worst 10% First Response Time
1.2 ms
0.6 ms
Worst 10% Total Response Time
1.2 ms
2.2 ms
Heatmap First Response
Heatmap Total Response
Heatmap RGB Overshoot
CAD @ 120Hz
9.9
9.9
Pursuit Photo 120Hz
CAD Heatmap 120Hz
OD Transition 120Hz
OD no
0 to 31
OD noodmode
0 to 31
Recommended Overdrive Setting
No OD Mode
No OD Mode
Avg. CAD
9
12
Best 10% CAD
4
5
Worst 10% CAD
16
20
Response Time @ 120Hz
Worst 10% First Response Time
1.3 ms
0.7 ms
RGB Overshoot
0 RGB
0 RGB
Total Response Time
0.3 ms
0.7 ms
First Response Time
0.3 ms
0.3 ms
Recommended Overdrive Setting
No OD Mode
No OD Mode
Worst 10% Total Response Time
1.3 ms
5.0 ms
Worst 10% RGB Overshoot
0 RGB
3 RGB
120Hz First Response Heatmap
120Hz Total Response Heatmap
120Hz Heatmap RGB Overshoot
CAD @ 60Hz
9.9
9.9
Pursuit Photo 60Hz
CAD Heatmap 60Hz
OD Transition 60Hz
OD no
0 to 31
OD noodmode
0 to 31
Recommended Overdrive Setting
No OD Mode
No OD Mode
Avg. CAD
14
12
Best 10% CAD
6
6
Worst 10% CAD
23
21
Response Time @ 60Hz
Recommended Overdrive Setting
No OD Mode
No OD Mode
First Response Time
0.5 ms
0.3 ms
Total Response Time
0.5 ms
0.7 ms
RGB Overshoot
0 RGB
0 RGB
Worst 10% Total Response Time
2.5 ms
5.5 ms
Worst 10% First Response Time
2.5 ms
0.7 ms
Worst 10% RGB Overshoot
N/A
1 RGB
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
No BFI
Maximum Frequency
60 Hz
N/A
Minimum Frequency
60 Hz
N/A
Longest Pulse Width Brightness
137 cd/m²
N/A
Shortest Pulse Width Brightness
137 cd/m²
N/A
Pulse Width Control
No
No BFI
Pulse Phase Control
No
No BFI
Pulse Amplitude Control
Yes
No BFI
VRR At The Same Time
No
No BFI
VRR Flicker
5.9
5.5
VRR Flicker Video
VRR Flicker Graph
Dark Gray Flicker
4.4 RGB
5.8 RGB
Middle Gray Flicker
1.0 RGB
1.2 RGB
Light Gray Flicker
0.8 RGB
0.7 RGB
Image Flicker
10
10
Backlight Picture
Flicker-Free
No
No
PWM Dimming Frequency
0 Hz
0 Hz
Inputs
Input Lag
8.4
9.1
Native Resolution @ Max Hz
3.5 ms
2.8 ms
Native Resolution @ 120Hz
5.0 ms
5.2 ms
Native Resolution @ 60Hz
9.6 ms
14.2 ms
Backlight Strobing (BFI)
55.0 ms
N/A
Resolution
7.7
7.7
Native Resolution
3440 x 1440
3440 x 1440
Aspect Ratio
21:9
21:9
Megapixels
5.0 MP
5.0 MP
Pixel Density
110 PPI
109 PPI
PS5 Compatibility
7.1
9.3
PS5 Compatibility Photo
PS5 Compatibility Table
4k @ 120Hz
No
Yes
4k @ 60Hz
Yes
Yes
1440p @ 120Hz
Yes
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
Xbox Series X|S Compatibility
6.6
9.3
XSX Compatibility Photo
XSX Compatibility Table
4k @ 120Hz
No
Yes
4k @ 60Hz
Yes
Yes
1440p @ 120Hz
Yes
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
Inputs Photos
Inputs 1
Inputs 2
Inputs
Inputs 1
Inputs 2
DisplayPort
No
1 (DP 1.4)
DisplayPort Transmission Bandwidth
No DisplayPort 2.1
No DisplayPort 2.1
Mini DisplayPort
1 (DP 1.4)
No
DVI
No
HDMI
1 (Micro-HDMI)
2 (HDMI 2.1)
VGA
No
HDMI 2.1 Bandwidth
40Gbps (FRL 10x4)
48Gbps (FRL 12x4)
Daisy Chaining
No
No
3.5mm Audio Out
No
Yes
3.5mm Audio In
No
3.5mm Microphone In
No
Ethernet
No
HDR10
Yes
Yes
Dolby Vision
No
USB
USB-A Ports
0
2
USB-A Rated Speed
No USB-A Ports
480Mbps (USB 2.0)
USB-B Upstream Port
No
Yes
USB-C Ports
2
1
USB-C Upstream
Yes
Yes
USB-C Rated Speed
5Gbps (USB 3.2 Gen 1)
480Mbps (USB 2.0)
USB-C Power Delivery
65W
90W
USB-C DisplayPort Alt Mode
Yes
Yes
Thunderbolt
No
No
macOS Compatibility
macOS Screenshot
Features
Additional Features
Speakers
Yes
No
HDR10
Yes
Yes
RGB Illumination
Controllable
Presets
Multiple Input Display
No
PIP + PBP
KVM Switch
No
Yes
Smart OS
No
On-Screen Display (OSD)
OSD Picture
Check Price
34"
LS34BG850SNXZA
SEE PRICE
Amazon.com34"
MPG 341CQPX QD-OLED
Searching
Finding store34"
MPG 341CQPX QD-OLED
Searching
Finding store34"
MPG 341CQPX QD-OLED
Searching
Finding store34"
MPG 341CQPX QD-OLED
Searching
Finding store34"
MPG 341CQPX QD-OLED
Searching
Finding store
Samsung Odyssey OLED G85SB S34BG85
MSI MPG 341CQPX QD-OLED
Comments
Samsung Odyssey OLED G85SB S34BG85 vs MSI MPG 341CQPX QD-OLED: Main Discussion
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