Comparison between:
- 27" AOC 27G4XE
- 27" Acer KA272bi
- 27" Acer EK271 Gbi
Brand, series, model
Information about the brand, series, model and model aliases.
| AOC 27G4XE | Acer KA272bi | Acer EK271 Gbi | |
| Series | - | KA2 | - |
 |  |  | |
| Model alias | - | KA272 bi | EK271Gbi UM.HE1SJ.G01 |
| Model year | 2024 | 2020 | 2024 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 27 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 |
| Width | 597.6 mm 59.76 cm 23.5276 in 1.9606 ft | 597.888 mm 59.7888 cm 23.5389 in 1.9616 ft | 597.888 mm 59.7888 cm 23.5389 in 1.9616 ft |
| Height | 336.15 mm 33.615 cm 13.2343 in 1.1029 ft | 336.312 mm 33.6312 cm 13.2406 in 1.1034 ft | 336.312 mm 33.6312 cm 13.2406 in 1.1034 ft |
| Panel type | IPS | IPS | IPS |
| Panel bit depth | 8 bits | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) |
| FRC | - | Yes | Yes |
| Colors | 16777216 colors 24 bits | 16777216 colors 24 bits | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p |
| Pixel pitch | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft |
| Pixel density | 81 ppi 32 ppcm | 81 ppi 32 ppcm | 81 ppi 32 ppcm |
| Display area | 89.33 % | - | 90.51 % |
| Backlight | W-LED | W-LED | W-LED |
| sRGB | 128.6 % | - | 99 % |
| Adobe RGB (1998) | 109.9 % | - | - |
| NTSC (1953) | - | 72 % | - |
| DCI P3 | 102 % | - | - |
| Brightness | 300 cd/m² | 250 cd/m² | 250 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 | 1500 : 1 |
| Dynamic contrast | 80000000 : 1 | 100000000 : 1 | 100000000 : 1 |
| HDR | HDR10 | - | - |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° |
| Minimum response time | 1 ms 0.0010 s | - | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte | Anti-glare/Matte (3H) |
| Response time - 0.5 ms (MPRT - Motion Picture Response Time) | Response time - 1 ms (VRB - Virtual Response Boost) | Response time - 1 ms (VRB - Virtual Response Boost) |
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 - 200 kHz | 30 kHz - 85 kHz | - |
| Vertical frequency (digital) | 48 Hz - 180 Hz | 48 Hz - 75 Hz | 48 Hz - 120 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 |
| Electric current (A) | 1.5 A | - | - |
| Power consumption (off) | 0.3 W | 0.45 W | - |
| Power consumption (sleep) | 0.5 W | 0.5 W | - |
| Power consumption (average) | 24 W | 17.5 W | - |
| Energy efficiency class | - | A+ | - |
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 | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft | 622 mm 62.2 cm 24.4882 in 2.0407 ft | 612 mm 61.2 cm 24.0945 in 2.0079 ft |
| Height | 366.3 mm 36.63 cm 14.4213 in 1.2018 ft | - | 363 mm 36.3 cm 14.2913 in 1.1909 ft |
| Depth | 51.1 mm 5.11 cm 2.0118 in 0.1677 ft | - | 45 mm 4.5 cm 1.7717 in 0.1476 ft |
| Weight | 3.62 kg 7.98 lbs | 4.1 kg 9.04 lbs | 3 kg 6.61 lbs |
| Width with stand | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft | 622 mm 62.2 cm 24.4882 in 2.0407 ft | 612 mm 61.2 cm 24.0945 in 2.0079 ft |
| Height with stand | 460.4 mm 46.04 cm 18.126 in 1.5105 ft | 459 mm 45.9 cm 18.0709 in 1.5059 ft | 468 mm 46.8 cm 18.4252 in 1.5354 ft |
| Depth with stand | 177.4 mm 17.74 cm 6.9843 in 0.582 ft | 200 mm 20 cm 7.874 in 0.6562 ft | 200 mm 20 cm 7.874 in 0.6562 ft |
| Weight with stand | 4.41 kg 9.72 lbs | 4.56 kg 10.05 lbs | 3.4 kg 7.5 lbs |
| Box width | 690 mm 69 cm 27.1654 in 2.2638 ft | - | - |
| Box height | 420 mm 42 cm 16.5354 in 1.378 ft | - | - |
| Box depth | 141 mm 14.1 cm 5.5512 in 0.4626 ft | - | - |
| Box weight | 6.98 kg 15.39 lbs | 7.33 kg 16.16 lbs | - |
| Stand width | - | - | 210 mm 21 cm 8.2677 in 0.689 ft |
| Stand depth | 207.7 mm 20.77 cm 8.1772 in 0.6814 ft | - | 200 mm 20 cm 7.874 in 0.6562 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 | 100 x 100 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 | 5 ° | 5 ° | 5 ° |
| Backward tilt | 18 ° | 15 ° | 20 ° |
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 1.4 1 x 3.5 mm Audio Out | 1 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out | 1 x HDMI 1.4 1 x D-sub |
| High-bandwidth Digital Content Protection (HDCP) | - | - |
Features
Some additional functional features of the model.
| Features | Adaptive-Sync technology AOC G-Menu Flicker-free technology Fast IPS FPS Counter Low Blue Light Low Input Lag Motion Blur Reduction NVIDIA G-Sync Compatible Shadow Control | AMD FreeSync technology ComfyView Flicker-free technology Low Blue Light Wide Viewing Angle Zero-Frame Design | 6-axis color adjustment Acer VisionCare Adaptive-Sync technology Flicker-free technology Low Blue Light ZeroFrame Design |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CCC CE CECP CEL CH RoHS cTUVus FCC RoHS Win11 | CE ISO9241-307 MPRⅡ TUV GS | - |
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 - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 10 % - 85 % | 20 % - 85 % | 20 % - 85 % |
| Operating altitude | 5000 m 16404.2 ft | - | - |
| Storage temperature | -25 °C - 55 °C -13 °F - 131 °F | - | - |
| Storage humidity | 5 % - 93 % | - | - |
| Storage altitude | 12192 m 40000 ft | - | - |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | DisplayPort cable HDMI cable | D-Sub cable | HDMI cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| AOC 27G4XE | Acer KA272bi | Acer EK271 Gbi |