Comparison between:
- 27" Samsung S27CG55
- 27" AOC U27B3M
- 27" AOC Q27G42XNE
Brand, series, model
Information about the brand, series, model and model aliases.
| Samsung S27CG55 | AOC U27B3M | AOC Q27G42XNE | |
| Series | Odyssey G5 | - | - |
 |  |  | |
| Model alias | LS27CG55 LS27CG552EUXXU LS27CG552EMXUE | - | - |
| Model year | 2023 | 2024 | 2025 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 27 in |
| Diagonal | 684.66 mm 68.466 cm 26.9551 in 2.2463 ft | 684.667 mm 68.4667 cm 26.9554 in 2.2463 ft | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft |
| Width | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft |
| Height | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft |
| Radius of curvature | 1000 mm 100 cm 39.3701 in 3.2808 ft | - | - |
| Panel type | VA | VA | VA |
| Panel bit depth | 8 bits | 10 bits (8 bits + FRC) | 8 bits |
| FRC | No | Yes | No |
| Colors | 16777216 colors 24 bits | 1073741824 colors 30 bits | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 2560 x 1440 pixels Quad HD (QHD) / 1440p |
| Pixel pitch | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.155 mm 0.0155 cm 0.0061 in 0.0005 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 109 ppi 42 ppcm | 163 ppi 64 ppcm | 109 ppi 42 ppcm |
| Display area | 84.86 % | 89.67 % | 89.07 % |
| Backlight | W-LED | W-LED | W-LED |
| sRGB | 99 % | 128 % | 127.8 % |
| Adobe RGB (1998) | - | - | 89.2 % |
| NTSC (1953) | - | 108 % | - |
| DCI P3 | - | 99 % | 93.1 % |
| Brightness | 330 cd/m² | 300 cd/m² | 300 cd/m² |
| Static contrast | 2500 : 1 | 3600 : 1 | 5000 : 1 |
| Dynamic contrast | - | 20000000 : 1 | 80000000 : 1 |
| HDR | HDR10 | HDR10 | HDR10 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° |
| Minimum response time | 11.3 ms 0.0113 s | 4 ms 0.0040 s | 1 ms 0.0010 s |
| Input lag | 12.9 ms 0.0129 s | - | - |
| Coating | Semi-gloss | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| Response time - 1 ms (MPRT - Motion Picture Response Time) | - | Response time - 0.5 ms (MPRT - Motion Picture Response Time) |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | - | 30 kHz - 150 kHz | 30 kHz - 270 kHz |
| Vertical frequency (digital) | 48 Hz - 165 Hz | 40 Hz - 60 Hz | 48 Hz - 180 Hz |
| - | - | DisplayPort - 30 kHz - 270 kHz; 48 Hz - 180 Hz HDMI - 30 kHz - 230 kHz; 48 Hz - 144 Hz |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W |
| Power consumption (average) | 40 W | 28 W | 27 W |
| Power consumption (annual) | 38 kWh | - | - |
| Energy efficiency class | F | - | - |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | 616.6 mm 61.66 cm 24.2756 in 2.023 ft | 614 mm 61.4 cm 24.1732 in 2.0144 ft | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft |
| Height | 382.8 mm 38.28 cm 15.0709 in 1.2559 ft | 363.8 mm 36.38 cm 14.3228 in 1.1936 ft | 366.3 mm 36.63 cm 14.4213 in 1.2018 ft |
| Depth | 120 mm 12 cm 4.7244 in 0.3937 ft | 45.5 mm 4.55 cm 1.7913 in 0.1493 ft | 51 mm 5.1 cm 2.0079 in 0.1673 ft |
| Weight | 3.7 kg 8.16 lbs | 3.34 kg 7.36 lbs | 3.31 kg 7.3 lbs |
| Width with stand | 616.6 mm 61.66 cm 24.2756 in 2.023 ft | 614 mm 61.4 cm 24.1732 in 2.0144 ft | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft |
| Height with stand | 477.4 mm 47.74 cm 18.7953 in 1.5663 ft | 460 mm 46 cm 18.1102 in 1.5092 ft | 449.6 mm 44.96 cm 17.7008 in 1.4751 ft |
| Depth with stand | 272.6 mm 27.26 cm 10.7323 in 0.8944 ft | 229.8 mm 22.98 cm 9.0472 in 0.7539 ft | 197.6 mm 19.76 cm 7.7795 in 0.6483 ft |
| Weight with stand | 4.1 kg 9.04 lbs | 3.79 kg 8.36 lbs | 3.7 kg 8.16 lbs |
| Box width | 679 mm 67.9 cm 26.7323 in 2.2277 ft | 690 mm 69 cm 27.1654 in 2.2638 ft | 690 mm 69 cm 27.1654 in 2.2638 ft |
| Box height | 438 mm 43.8 cm 17.2441 in 1.437 ft | 453 mm 45.3 cm 17.8346 in 1.4862 ft | 454 mm 45.4 cm 17.874 in 1.4895 ft |
| Box depth | 188 mm 18.8 cm 7.4016 in 0.6168 ft | 142 mm 14.2 cm 5.5906 in 0.4659 ft | 126 mm 12.6 cm 4.9606 in 0.4134 ft |
| Box weight | 5.7 kg 12.57 lbs | 6.37 kg 14.04 lbs | 6.15 kg 13.56 lbs |
| Stand depth | 272.6 mm 27.26 cm 10.7323 in 0.8944 ft | 229.8 mm 22.98 cm 9.0472 in 0.7539 ft | 197.6 mm 19.76 cm 7.7795 in 0.6483 ft |
| Colors | Black | Black | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes |
| VESA interface | 75 x 75 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes |
| Height adjustment | No | No | No |
| Landscape/portrait pivot | No | No | No |
| Left/right swivel | No | No | No |
| Forward/backward tilt | Yes | Yes | Yes |
| Forward tilt | 2 ° | 5 ° | 5 ° |
| Backward tilt | 18 ° | 23 ° | 23 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | - | 2 x 2 W |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| - | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | AMD FreeSync Premium Auto Source Switch+ Black Equalizer Color Modes Flicker-free technology Eco Saving Plus Eye Saver Mode Low Blue Light Off Timer Plus Refresh Rate Optimizer Screen Size Optimizer Super Arena Gaming UX Virtual Aim Point | 3-sided frameless design Adaptive-Sync technology Clear Vision Dynamic Colour Boost (DCB) technology Dynamic Contrast Ratio (DCR) technology Flicker-free technology HDR Mode Low Blue Light Picture-by-Picture Picture-in-Picture | 3-sided frameless design Adaptive-Sync technology AMD FreeSync technology AOC G-Menu Crosshairs Fast VA Flicker-free technology Frame Counter HDR Mode Game Color Low Blue Light Low Input Lag Motion Blue Reduction Shadow Control |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | - | CCC CECP CEL RoHS | CCC CE CEL FCC RoHS |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 10 °C - 40 °C 50 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 10 % - 80 % | 10 % - 85 % | 10 % - 85 % |
| Operating altitude | - | 3657.6 m 12000 ft | 3657.6 m 12000 ft |
| Storage temperature | - | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F |
| Storage humidity | - | 5 % - 90 % | 5 % - 90 % |
| Storage altitude | - | 12192 m 40000 ft | 12192 m 40000 ft |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | DisplayPort cable | HDMI cable | DisplayPort cable HDMI cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot |
| Samsung S27CG55 | AOC U27B3M | AOC Q27G42XNE |