Comparison between:
- 27" Redmi Monitor A27U 75Hz 2027
- 27" ViewSonic VX27G81-2K-W-9
- 27" ViewSonic VX27G63-2К
- 26.7" AOC Q27U4D
Brand, series, model
Information about the brand, series, model and model aliases.
| Redmi Monitor A27U 75Hz 2027 | ViewSonic VX27G81-2K-W-9 | ViewSonic VX27G63-2К | AOC Q27U4D | |
 |  |  |  | |
| Model alias | P27UEB-RA | - | - | - |
| Model year | 2026 | 2026 | 2026 | 2026 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 27 in | 26.7 in |
| Diagonal | 685.8 mm 68.58 cm 27 in 2.25 ft | 685.8 mm 68.58 cm 27 in 2.25 ft | 685.8 mm 68.58 cm 27 in 2.25 ft | 678.2 mm 67.82 cm 26.7008 in 2.2251 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 | 595.968 mm 59.5968 cm 23.4633 in 1.9553 ft | 590.42 mm 59.042 cm 23.2449 in 1.9371 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 | 335.232 mm 33.5232 cm 13.1981 in 1.0998 ft | 333.72 mm 33.372 cm 13.1386 in 1.0949 ft |
| Panel manufacturer | - | - | - | Samsung |
| Panel type | IPS | IPS | IPS | QD-OLED |
| Panel bit depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 10 bits |
| FRC | Yes | Yes | Yes | No |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 2560 x 1440 pixels Quad HD (QHD) / 1440p |
| Pixel pitch | 0.155 mm 0.0155 cm 0.0061 in 0.0005 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.229 mm 0.0229 cm 0.009 in 0.0008 ft |
| Pixel density | 163 ppi 64 ppcm | 109 ppi 42 ppcm | 109 ppi 42 ppcm | 110 ppi 43 ppcm |
| Display area | - | 89.2 % | 90.26 % | 90.76 % |
| Backlight | W-LED | W-LED | W-LED | - |
| sRGB | 100 % | 100 % | 100 % | 100 % |
| Adobe RGB (1998) | - | 92 % | - | - |
| DCI P3 | 99 % | 94 % | 92 % | 99 % |
| Brightness | 400 cd/m² | 400 cd/m² | 430 cd/m² | 200 cd/m² |
| Peak brightness | - | - | - | 400 cd/m² |
| Static contrast | 1500 : 1 | 1000 : 1 | 1000 : 1 | 1500000 : 1 |
| Dynamic contrast | - | 80000000 : 1 | 80000000 : 1 | - |
| HDR | HDR10 DisplayHDR 400 | HDR10 | HDR10 | HDR10 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 6 ms 0.0060 s | - | 1 ms 0.0010 s | 0.03 ms 0.0000 s |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | - |
| - | Response time - 1 ms (MPRT - Motion Picture Response Time) | - | AGLR coating |
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 | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | - | - | - | 30 kHz - 235 kHz |
| Vertical frequency (digital) | 48 Hz - 75 Hz | 48 Hz - 240 Hz | 48 Hz - 240 Hz | 48 Hz - 144 Hz |
| - | DisplayPort - 240 Hz HDMI - 200 Hz | - | - |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 110 V - 120 V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 255 V | 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 | 50 Hz - 60 Hz |
| Electric current (A) | 2 A | - | - | 2.5 A |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.4 W | 0.5 W | 0.5 W |
| Power consumption (average) | - | 28 W | 30 W | 65 W |
| Power consumption (maximum) | 120 W | 35 W | 33 W | - |
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 | 612.9 mm 61.29 cm 24.1299 in 2.0108 ft | 614.1 mm 61.41 cm 24.1772 in 2.0148 ft | 613.5 mm 61.35 cm 24.1535 in 2.0128 ft | 609.3 mm 60.93 cm 23.9882 in 1.999 ft |
| Height | - | 365.65 mm 36.565 cm 14.3957 in 1.1996 ft | 360.8 mm 36.08 cm 14.2047 in 1.1837 ft | 356.3 mm 35.63 cm 14.0276 in 1.169 ft |
| Depth | - | 60.95 mm 6.095 cm 2.3996 in 0.2 ft | 50.5 mm 5.05 cm 1.9882 in 0.1657 ft | 49.6 mm 4.96 cm 1.9528 in 0.1627 ft |
| Weight | 3.6 kg 7.94 lbs | 4.2 kg 9.26 lbs | 3.4 kg 7.5 lbs | 4.35 kg 9.59 lbs |
| Width with stand | 612.9 mm 61.29 cm 24.1299 in 2.0108 ft | 614.1 mm 61.41 cm 24.1772 in 2.0148 ft | 613.5 mm 61.35 cm 24.1535 in 2.0128 ft | 609.3 mm 60.93 cm 23.9882 in 1.999 ft |
| Height with stand | 510.6 mm 51.06 cm 20.1024 in 1.6752 ft | 459.1 mm 45.91 cm 18.0748 in 1.5062 ft | 463.7 mm 46.37 cm 18.2559 in 1.5213 ft | 396.8 mm 39.68 cm 15.622 in 1.3018 ft |
| Depth with stand | 185.2 mm 18.52 cm 7.2913 in 0.6076 ft | 186 mm 18.6 cm 7.3228 in 0.6102 ft | 186 mm 18.6 cm 7.3228 in 0.6102 ft | 180 mm 18 cm 7.0866 in 0.5906 ft |
| Weight with stand | 5.3 kg 11.68 lbs | 5.1 kg 11.24 lbs | 4.1 kg 9.04 lbs | 6.23 kg 13.73 lbs |
| Box width | - | 706 mm 70.6 cm 27.7953 in 2.3163 ft | 692 mm 69.2 cm 27.2441 in 2.2703 ft | 840 mm 84 cm 33.0709 in 2.7559 ft |
| Box height | - | 471 mm 47.1 cm 18.5433 in 1.5453 ft | 480 mm 48 cm 18.8976 in 1.5748 ft | 455 mm 45.5 cm 17.9134 in 1.4928 ft |
| Box depth | - | 145 mm 14.5 cm 5.7087 in 0.4757 ft | 122 mm 12.2 cm 4.8031 in 0.4003 ft | 139 mm 13.9 cm 5.4724 in 0.456 ft |
| Box weight | - | 6.6 kg 14.55 lbs | 5.3 kg 11.68 lbs | 9.51 kg 20.97 lbs |
| Stand depth | 185.2 mm 18.52 cm 7.2913 in 0.6076 ft | 186 mm 18.6 cm 7.3228 in 0.6102 ft | 186 mm 18.6 cm 7.3228 in 0.6102 ft | 180 mm 18 cm 7.0866 in 0.5906 ft |
| Colors | Black | White | Black | Black and Gray |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes | Yes |
| VESA interface | 75 x 75 mm | 75 x 75 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | No | No | Yes |
| Height adjustment range | - | - | - | 150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape/portrait pivot | Yes | No | No | Yes |
| Left pivot | 0 ° | - | - | 90 ° |
| Right pivot | 90 ° | - | - | 90 ° |
| Left/right swivel | Yes | No | No | Yes |
| Left swivel | - | - | - | 30 ° |
| Right swivel | - | - | - | 30 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 21 ° | 20 ° | 20 ° | 23 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | - | - | 2 x 5 W |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 2 x USB 2.0 (Type-A; downstream) 1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x USB 2.0 (Type-A; firmware upgrades) 2 x HDMI 2.1 (TMDS) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x USB 2.0 (Type-A; firmware updates only) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x USB 3.1 (Type-C; Gen 1; 5 Gbps; downstream; 15W) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; data only) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; 96W; DP Alt Mode) 3 x USB 3.2 (Type-A; Gen 1; 5 Gbps) 1 x HDMI 2.1 (TMDS) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| - | High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) 2.2 |
Features
Some additional functional features of the model.
| Features | 3-sided narrow bezel design Adaptive-Sync technology DC Dimming Low Blue Light M Mode | 3-sided micro bezel design Advanced DCR AMD FreeSync technology Black Stabilization Color Adjust Eco Mode Fast IPS Flicker-free technology Low Blue Light NVIDIA G-Sync compatible Overscan ViewMode | Advanced DCR Adaptive-Sync technology AMD FreeSync technology Black Stabilization Blue Light Filter Crosshairs Eco Mode Esports Atmosphere Lights Fast IPS Flicker-free technology (Hardware level) Game Mode Low Input Lag NVIDIA G-Sync compatible Overscan ViewMode | Adaptive-Sync technology AMD FreeSync technology AOC I-Menu Auto Pivot with a G sensor Clear Vision Flicker-free technology HDR Mode KVM Switch Low Blue Light Motion Blur Reduction (MBR) OLED Care Picture-by-Picture Picture-in-Picture Quantum Dot Color Shadow Control VESA ClearMR 8000 |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified | CCC CEL RoHS WEEE | CCC CEL RoHS WEEE | TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified (Hardware Solution) UL TrueBright Certified |
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 | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 35 °C 32 °F - 95 °F | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 20 % - 80 % | 20 % - 90 % | 20 % - 90 % | 10 % - 85 % |
| Operating altitude | 5000 m 16404.2 ft | - | 5000 m 16404.2 ft | 3657.6 m 12000 ft |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | -25 °C - 55 °C -13 °F - 131 °F |
| Storage humidity | 5 % - 90 % | 5 % - 90 % | 5 % - 90 % | 5 % - 93 % |
| Storage altitude | 12192 m 40000 ft | - | 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 USB Type-C cable | DisplayPort cable | DisplayPort cable | HDMI cable USB Type-C to Type-A cable USB Type-C to Type-C 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 - Kensington |
| Redmi Monitor A27U 75Hz 2027 | ViewSonic VX27G81-2K-W-9 | ViewSonic VX27G63-2К | AOC Q27U4D |