Comparison between:
- 27" Iiyama G-Master GB2771QSU-B1
- 27" AOC Q27G4SP
- 27" Gigabyte G27Q20
- 27" AOC Q27G4SRU
Brand, series, model
Information about the brand, series, model and model aliases.
| Iiyama G-Master GB2771QSU-B1 | AOC Q27G4SP | Gigabyte G27Q20 | AOC Q27G4SRU | |
 |  |  |  | |
| Model alias | Red Eagle GB2771QSU-B1 | - | - | - |
| Model year | 2025 | 2025 | 2025 | 2025 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 27 in | 27 in |
| Diagonal | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 684.667 mm 68.4667 cm 26.9554 in 2.2463 ft | 684.667 mm 68.4667 cm 26.9554 in 2.2463 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 | 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 | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft |
| Panel manufacturer | - | BOE | - | - |
| Panel type | IPS | IPS | IPS | IPS |
| Panel bit depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 8 bits |
| FRC | Yes | Yes | Yes | No |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 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 | 1.778:1 16:9 |
| Resolution | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 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 | 0.233 mm 0.0233 cm 0.0092 in 0.0008 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 | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 109 ppi 42 ppcm | 109 ppi 42 ppcm | 109 ppi 42 ppcm | 109 ppi 42 ppcm |
| Display area | 91.07 % | 89.07 % | 88 % | 89.07 % |
| Backlight | W-LED | W-LED | Edge LED | W-LED |
| sRGB | - | 100 % | 123 % | - |
| DCI P3 | - | 95 % | 94 % | - |
| Brightness | 350 cd/m² | 350 cd/m² | 350 cd/m² | - |
| Peak brightness | - | 450 cd/m² | - | - |
| Static contrast | 1200 : 1 | 1000 : 1 | 1000 : 1 | 1000 : 1 |
| Dynamic contrast | 80000000 : 1 | 8000000 : 1 | - | - |
| HDR | - | DisplayHDR 400 | HDR10 | HDR10 DisplayHDR 400 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | - | 1 ms 0.0010 s | 1 ms 0.0010 s | 1 ms 0.0010 s |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte | Anti-glare/Matte (3H) |
| Response time - 0.5 ms (MPRT - Motion Picture Response Time) | Response time - 0.3 ms (MPRT - Motion Picture Response Time) | Response time - 0.5 ms (MPRT - Motion Picture Response Time) | Response time - 0.3 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 | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 30 kHz - 320 kHz | 30 kHz - 470 kHz | - | 30 kHz - 470 kHz |
| Vertical frequency (digital) | 48 Hz - 200 Hz | 48 Hz - 320 Hz | 48 Hz - 210 Hz | 48 Hz - 320 Hz |
| - | - | Native - 200 Hz Overclock - 210 Hz | Native - 300 Hz Overclock - 320 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 | 100 V - 120 V |
| 220V | 220 V - 240 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) | 1.5 A | 1.5 A | - | - |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W | 0.5 W |
| Power consumption (average) | 21 W | 25 W | 21 W | 26 W |
| Energy efficiency class | E | - | - | F |
| - | - | Power board built-in | - |
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 | 613.5 mm 61.35 cm 24.1535 in 2.0128 ft | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft | 612.7 mm 61.27 cm 24.122 in 2.0102 ft | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft |
| Height | 358.5 mm 35.85 cm 14.1142 in 1.1762 ft | 366.3 mm 36.63 cm 14.4213 in 1.2018 ft | 371.5 mm 37.15 cm 14.626 in 1.2188 ft | 366.3 mm 36.63 cm 14.4213 in 1.2018 ft |
| Depth | 63.5 mm 6.35 cm 2.5 in 0.2083 ft | 51.3 mm 5.13 cm 2.0197 in 0.1683 ft | 59 mm 5.9 cm 2.3228 in 0.1936 ft | 52.6 mm 5.26 cm 2.0709 in 0.1726 ft |
| Weight | 3.9 kg 8.6 lbs | 3.47 kg 7.65 lbs | 4.55 kg 10.03 lbs | 4.17 kg 9.19 lbs |
| Width with stand | 613.5 mm 61.35 cm 24.1535 in 2.0128 ft | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft | 612.7 mm 61.27 cm 24.122 in 2.0102 ft | 613.9 mm 61.39 cm 24.1693 in 2.0141 ft |
| Height with stand | 408.5 mm 40.85 cm 16.0827 in 1.3402 ft | 386.6 mm 38.66 cm 15.2205 in 1.2684 ft | 385 mm 38.5 cm 15.1575 in 1.2631 ft | 386 mm 38.6 cm 15.1969 in 1.2664 ft |
| Depth with stand | 213 mm 21.3 cm 8.3858 in 0.6988 ft | 240 mm 24 cm 9.4488 in 0.7874 ft | 192 mm 19.2 cm 7.5591 in 0.6299 ft | 227.6 mm 22.76 cm 8.9606 in 0.7467 ft |
| Weight with stand | 5.7 kg 12.57 lbs | 4.93 kg 10.87 lbs | 6.16 kg 13.58 lbs | 6.11 kg 13.47 lbs |
| Box width | 690 mm 69 cm 27.1654 in 2.2638 ft | 822 mm 82.2 cm 32.3622 in 2.6969 ft | 800 mm 80 cm 31.4961 in 2.6247 ft | 730 mm 73 cm 28.7402 in 2.395 ft |
| Box height | 465 mm 46.5 cm 18.3071 in 1.5256 ft | 481 mm 48.1 cm 18.937 in 1.5781 ft | 480 mm 48 cm 18.8976 in 1.5748 ft | 455 mm 45.5 cm 17.9134 in 1.4928 ft |
| Box depth | 126 mm 12.6 cm 4.9606 in 0.4134 ft | 162 mm 16.2 cm 6.378 in 0.5315 ft | 169 mm 16.9 cm 6.6535 in 0.5545 ft | 139 mm 13.9 cm 5.4724 in 0.456 ft |
| Box weight | 8.2 kg 18.08 lbs | 8.3 kg 18.3 lbs | 8.55 kg 18.85 lbs | - |
| Stand width | 390 mm 39 cm 15.3543 in 1.2795 ft | - | - | - |
| Stand depth | 213 mm 21.3 cm 8.3858 in 0.6988 ft | 240 mm 24 cm 9.4488 in 0.7874 ft | 192 mm 19.2 cm 7.5591 in 0.6299 ft | 227.6 mm 22.76 cm 8.9606 in 0.7467 ft |
| Colors | Black | White | Black | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes | Yes |
| Height adjustment range | 150 mm 15 cm 5.9055 in 0.4921 ft | 130 mm 13 cm 5.1181 in 0.4265 ft | 130 mm 13 cm 5.1181 in 0.4265 ft | 130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape/portrait pivot | Yes | Yes | Yes | Yes |
| Left pivot | 0 ° | 90 ° | 0 ° | 90 ° |
| Right pivot | 90 ° | 90 ° | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes | Yes | Yes |
| Left swivel | 45 ° | 20 ° | 15 ° | 30 ° |
| Right swivel | 45 ° | 20 ° | 15 ° | 30 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 23 ° | 23 ° | 21 ° | 23 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 2 W | - | - | 2 x 2 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 | 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; downstream) 1 x USB 3.2 (Type-B; upstream) 4 x USB 3.2 (Type-A; Gen 1; 5 Gbps; downstream) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x HDMI 2.1 (FRL6 (48 Gbps)) 1 x DisplayPort 1.4 (DSC) 1 x 3.5 mm Audio Out | 1 x USB 2.0 (Type-A; downstream; FW update only) 2 x HDMI 2.0 1 x DisplayPort 1.4 (DSC) 1 x 3.5 mm Audio Out | 1 x USB 3.2 (Type-B; upstream) 4 x USB 3.2 (Type-A; downstream) 2 x HDMI 2.1 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) 2.2 | - | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | 3-side borderless design Adaptive-Sync technology Black Tuner Flicker-free technology i-Style colour Low Blue light Motion Blur Reduction NVIDIA G-Sync Compatible | Adaptive-Sync technology Circular Polarization Technology Crosshair Fast IPS Flicker-free technology Low Blue Light Low Input Lag NVIDIA G-Sync Compatible Picture-by-Picture Picture-in-Picture | Adaptive-Sync technology Aim Stabilizer Sync AMD FreeSync Premium Black Equalizer 2.0 Flicker-free technology Four-sided ventilation and heat dissipation GameAssist (Crosshair / Alignment / Dashboard / Timer / Counter) HDR Ready Low Blue Light Night Vision NVIDIA G-Sync Compatible OSD Sidekick Picture-by-Picture Picture-in-Picture Smart OD SuperSpeed IPS | 3-sided frameless design Adaptive-Sync technology AOC G-Menu Crosshair Fast IPS Flicker-free technology FPS Counter Low Blue Light Low Input Lag Motion Blur Reduction Sync (MBR Sync) NVIDIA G-Sync Compatible Picture-by-Picture Picture-in-Picture Shadow Control |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CE EAC Energy Star ErP PSE REACH RoHS TÜV-Bauart VCCI-B WEEE | CB CE FCC RoHS TÜV Rheinland Circular Polarization Certified TÜV Rheinland Low Blue Light Certified | TÜV Rheinland Low Blue Light Certified | CB CE CEL EAC FCC ISO 9241-307 REACH RoHS TUV-Bauart WEEE |
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 | 5 °C - 35 °C 41 °F - 95 °F | 0 °C - 40 °C 32 °F - 104 °F | - | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 10 % - 80 % | 20 % - 80 % | - | 10 % - 85 % |
| Operating altitude | - | 3657.6 m 12000 ft | - | 5000 m 16404.2 ft |
| Storage temperature | -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 % - 85 % | 10 % - 90 % | - | 5 % - 93 % |
| 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 USB cable | DisplayPort cable | DisplayPort cable | DisplayPort cable HDMI cable USB Type-B to Type-A 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 | Anti-theft stand lock slot |
| Iiyama G-Master GB2771QSU-B1 | AOC Q27G4SP | Gigabyte G27Q20 | AOC Q27G4SRU |