Comparison between:
- 23.5" EIZO FG2421
- 27" AOC U27G4R
- 27" AOC Q27G42XE
- 27" AOC Q27G4XF
Brand, series, model
Information about the brand, series, model and model aliases.
| EIZO FG2421 | AOC U27G4R | AOC Q27G42XE | AOC Q27G4XF | |
| Series | Foris | - | - | - |
![]() | ![]() | ![]() | ![]() | |
| Model year | 2014 | 2025 | 2025 | 2024 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 23.5 in | 27 in | 27 in | 27 in |
| Diagonal | 598 mm 59.8 cm 23.5433 in 1.9619 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 | 685.8 mm 68.58 cm 27 in 2.25 ft |
| Width | 507.5 mm 50.75 cm 19.9803 in 1.665 ft | 578.86 mm 57.886 cm 22.7898 in 1.8991 ft | 578.936 mm 57.8936 cm 22.7928 in 1.8994 ft | 580.3 mm 58.03 cm 22.8465 in 1.9039 ft |
| Height | 284.4 mm 28.44 cm 11.1969 in 0.9331 ft | 322.14 mm 32.214 cm 12.6827 in 1.0569 ft | 325.864 mm 32.5864 cm 12.8293 in 1.0691 ft | 322.95 mm 32.295 cm 12.7146 in 1.0595 ft |
| Panel manufacturer | Sharp | - | - | - |
| Panel model | LQ235D1LW03 | - | - | - |
| Panel type | VA | IPS | VA | VA |
| Panel bit depth | 8 bits | 8 bits (6 bits + FRC) | 8 bits | 8 bits (6 bits + FRC) |
| FRC | No | Yes | No | Yes |
| Colors | 16777216 colors 24 bits | 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 | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p | 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 |
| Pixel pitch | 0.218 mm 0.0218 cm 0.0086 in 0.0007 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 | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 96 ppi 37 ppcm | 168 ppi 66 ppcm | 112 ppi 44 ppcm | 112 ppi 44 ppcm |
| Display area | - | 95.22 % | 96.19 % | 95.7 % |
| Backlight | W-LED | W-LED | W-LED | W-LED |
| sRGB | - | 131.7 % | 130 % | 124.2 % |
| Adobe RGB (1998) | - | 108.4 % | - | 104.8 % |
| NTSC (1953) | 72 % | - | - | - |
| DCI P3 | - | 80.9 % | 74.9 % | 78.4 % |
| Brightness | 550 cd/m² | 500 cd/m² | 450 cd/m² | 400 cd/m² |
| Static contrast | 5500 : 1 | 800 : 1 | 1200 : 1 | 800 : 1 |
| Dynamic contrast | 15000 : 1 | - | 80000000 : 1 | 80000000 : 1 |
| Horizontal viewing angle | 176 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 176 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 4 ms 0.0040 s | 1 ms 0.0010 s | 1 ms 0.0010 s | 1 ms 0.0010 s |
| Input lag | 14 ms 0.0140 s | - | - | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| Turbo 240 ON - Response time - 1 ms Turbo 240 ON - Input lag - 18 ms | Response time - 0.5 ms (MPRT - Motion Picture Response Time) | Response time - 0.5 ms (MPRT - Motion Picture Response Time) | Response time - 0.5 ms (MPRT - Motion Picture Response Time) 8-bit+FRC is supported at lower refresh rates |
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.
| Vertical frequency (digital) | 50 Hz | 60 Hz | 50 Hz | 50 Hz |
| DisplayPort - 31 kHz - 138 kHz; 49 Hz - 122 Hz DVI - 31 kHz - 138 kHz; 59 Hz - 122 Hz HDMI - 15 kHz - 100 kHz; 23 Hz - 122 Hz | Dual mode 4K @ 160 Hz FHD @ 320 Hz | DisplayPort - 30 kHz - 270 kHz; 48 Hz - 180 Hz HDMI - 30 kHz - 230 kHz; 48 Hz - 144 Hz | DisplayPort - 30 kHz - 280 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 | 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) | 0.5 W | 0.5 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W | 0.5 W |
| Power consumption (eco) | 24 W | - | - | - |
| Power consumption (average) | 50 W | 51 W | 40 W | 46 W |
| Power consumption (maximum) | 72 W | - | - | - |
| 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 | - | 588.4 mm 58.84 cm 23.1654 in 1.9304 ft | 587.4 mm 58.74 cm 23.126 in 1.9272 ft | 588.4 mm 58.84 cm 23.1654 in 1.9304 ft |
| Height | - | 332.81 mm 33.281 cm 13.1028 in 1.0919 ft | 333.9 mm 33.39 cm 13.1457 in 1.0955 ft | 332.8 mm 33.28 cm 13.1024 in 1.0919 ft |
| Depth | - | 39.78 mm 3.978 cm 1.5661 in 0.1305 ft | 41.2 mm 4.12 cm 1.622 in 0.1352 ft | 39.8 mm 3.98 cm 1.5669 in 0.1306 ft |
| Weight | - | 3.91 kg 8.62 lbs | 4.69 kg 10.34 lbs | 2.94 kg 6.48 lbs |
| Width with stand | 531.1 mm 53.11 cm 20.9094 in 1.7425 ft | 589.4 mm 58.94 cm 23.2047 in 1.9337 ft | 591.5 mm 59.15 cm 23.2874 in 1.9406 ft | 589.4 mm 58.94 cm 23.2047 in 1.9337 ft |
| Height with stand | 367.2 mm 36.72 cm 14.4567 in 1.2047 ft | 350.5 mm 35.05 cm 13.7992 in 1.1499 ft | 415.9 mm 41.59 cm 16.374 in 1.3645 ft | 350.5 mm 35.05 cm 13.7992 in 1.1499 ft |
| Depth with stand | 198.2 mm 19.82 cm 7.8031 in 0.6503 ft | 218.1 mm 21.81 cm 8.5866 in 0.7156 ft | 188.8 mm 18.88 cm 7.4331 in 0.6194 ft | 198.2 mm 19.82 cm 7.8031 in 0.6503 ft |
| Weight with stand | 7.7 kg 16.98 lbs | 5.85 kg 12.9 lbs | 5.98 kg 13.18 lbs | 4.8 kg 10.58 lbs |
| Box width | - | 825 mm 82.5 cm 32.4803 in 2.7067 ft | 690 mm 69 cm 27.1654 in 2.2638 ft | 822 mm 82.2 cm 32.3622 in 2.6969 ft |
| Box height | - | 481 mm 48.1 cm 18.937 in 1.5781 ft | 454 mm 45.4 cm 17.874 in 1.4895 ft | 481 mm 48.1 cm 18.937 in 1.5781 ft |
| Box depth | - | 162 mm 16.2 cm 6.378 in 0.5315 ft | 126 mm 12.6 cm 4.9606 in 0.4134 ft | 162 mm 16.2 cm 6.378 in 0.5315 ft |
| Box weight | - | 9.95 kg 21.94 lbs | 6.15 kg 13.56 lbs | 8.34 kg 18.39 lbs |
| Stand depth | - | 227.6 mm 22.76 cm 8.9606 in 0.7467 ft | 197.6 mm 19.76 cm 7.7795 in 0.6483 ft | 207.7 mm 20.77 cm 8.1772 in 0.6814 ft |
| Colors | Black | Black and Red | Black | Black |
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 | 100 x 100 mm | 75 x 75 mm | 75 x 75 mm |
| Removable stand | No | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | No | Yes |
| Height adjustment range | 110 mm 11 cm 4.3307 in 0.3609 ft | 100 mm 10 cm 3.937 in 0.3281 ft | - | 110 mm 11 cm 4.3307 in 0.3609 ft |
| Landscape/portrait pivot | No | Yes | No | Yes |
| Left pivot | - | 90 ° | - | 0 ° |
| Right pivot | - | 90 ° | - | 90 ° |
| Left/right swivel | Yes | Yes | No | Yes |
| Left swivel | 90 ° | 75 ° | - | 90 ° |
| Right swivel | 90 ° | 75 ° | - | 90 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 8 ° | 5 ° | 4 ° | 8 ° |
| Backward tilt | 25 ° | 20 ° | 15 ° | 25 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | - | 2 x 3 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 (downstream) 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out | 4 x USB 3.2 (Type-A; Gen 1; 5 Gbps; downstream) 2 x HDMI 2.1 (DSC) 1 x DisplayPort 1.4 (DSC) 1 x 3.5 mm Audio Out | 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | - | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | Pro Gamer's Color Preset Turbo 240 | 6-axis Color Adjustment AOC G-Menu AOC Shadow Control Dynamic Color Boost (DCB) Fast IPS Frame Counter Game Tone Adjustment Low Blue Light Motion Blur Reduction Sync (MBR Sync) Picture-by-Picture | AMD FreeSync technology Crosshairs Flicker-free technology HDR Mode Low Blue Light Motion Blue Reduction | Adaptive-Sync technology Crosshair / Dialpoint Flicker-free technology Game Color Adjustment Low Input Lag Shadow Control |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CE CB cTick cTÜVus FCC Class B GOST-R ICES-003-B PSE RoHS TÜV/Ergonomics TÜV/GS TÜV/S VCCI-B WEEE | CCC CE CEL CH RoHS FCC Win11 | CCC CE CEL CH RoHS FCC Win11 | CCC CE CECP CEL CH RoHS cTUVus FCC RoHS Win11 |
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 | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 20 % - 80 % | 10 % - 85 % | 10 % - 85 % | 10 % - 85 % |
| Operating altitude | - | 3657.6 m 12000 ft | 3657.6 m 12000 ft | 5000 m 16404.2 ft |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | -25 °C - 55 °C -13 °F - 131 °F | -20 °C - 60 °C -4 °F - 140 °F | -25 °C - 55 °C -13 °F - 131 °F |
| Storage humidity | 10 % - 90 % | 5 % - 93 % | 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 | Audio cable Cable holder DisplayPort cable DVI cable USB cable | DisplayPort cable HDMI cable USB Type-B to Type-A cable | DisplayPort cable | DisplayPort cable HDMI cable |
Additional features
Information about other features.
| Additional features | - | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot | Anti-theft stand lock slot |
| EIZO FG2421 | AOC U27G4R | AOC Q27G42XE | AOC Q27G4XF |



