Comparison between:
- 27" KOORUI S2721PM
- 27" AOC Q27G42XNE
- 23.5" EIZO FG2421
Brand, series, model
Information about the brand, series, model and model aliases.
| KOORUI S2721PM | AOC Q27G42XNE | EIZO FG2421 | |
| Series | - | - | Foris |
![]() | ![]() | ![]() | |
| Model year | 2025 | 2025 | 2014 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 23.5 in |
| Diagonal | 685.8 mm 68.58 cm 27 in 2.25 ft | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 598 mm 59.8 cm 23.5433 in 1.9619 ft |
| Width | 610.536 mm 61.0536 cm 24.0369 in 2.0031 ft | 578.936 mm 57.8936 cm 22.7928 in 1.8994 ft | 507.5 mm 50.75 cm 19.9803 in 1.665 ft |
| Height | 349.864 mm 34.9864 cm 13.7742 in 1.1478 ft | 325.864 mm 32.5864 cm 12.8293 in 1.0691 ft | 284.4 mm 28.44 cm 11.1969 in 0.9331 ft |
| Panel manufacturer | - | - | Sharp |
| Panel model | - | - | LQ235D1LW03 |
| Panel type | IPS | IPS | VA |
| Panel bit depth | 10 bits | 8 bits | 8 bits |
| FRC | No | No | No |
| Colors | 1073741824 colors 30 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 | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 1920 x 1080 pixels Full HD / 1080p |
| Pixel pitch | 0.265 mm 0.0265 cm 0.0104 in 0.0009 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.218 mm 0.0218 cm 0.0086 in 0.0007 ft |
| Pixel density | 106 ppi 41 ppcm | 112 ppi 44 ppcm | 96 ppi 37 ppcm |
| Display area | - | 96.19 % | - |
| Backlight | Mini LED | W-LED | W-LED |
| sRGB | 100 % | 137.8 % | - |
| Adobe RGB (1998) | 88 % | 101.2 % | - |
| NTSC (1953) | - | - | 72 % |
| DCI P3 | 87 % | 75.1 % | - |
| Brightness | 500 cd/m² | 450 cd/m² | 550 cd/m² |
| Peak brightness | 1000 cd/m² | - | - |
| Static contrast | 1000 : 1 | 5500 : 1 | 5500 : 1 |
| Dynamic contrast | 1000000 : 1 | 80000000 : 1 | 15000 : 1 |
| Horizontal viewing angle | 178 ° | 178 ° | 176 ° |
| Vertical viewing angle | 178 ° | 178 ° | 176 ° |
| Minimum response time | 1 ms 0.0010 s | 1 ms 0.0010 s | 4 ms 0.0040 s |
| Input lag | - | - | 14 ms 0.0140 s |
| Coating | Anti-glare/Matte | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| Local dimming zones - 1152 | Response time - 0.5 ms (MPRT - Motion Picture Response Time) | Turbo 240 ON - Response time - 1 ms Turbo 240 ON - Input lag - 18 ms |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | - | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Vertical frequency (digital) | 60 Hz | 50 Hz | 50 Hz |
| - | DisplayPort - 30 kHz - 270 kHz; 48 Hz - 180 Hz HDMI - 30 kHz - 230 kHz; 48 Hz - 144 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 |
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 |
| 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 | 0.5 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W |
| Power consumption (eco) | - | - | 24 W |
| Power consumption (average) | - | 40 W | 50 W |
| Power consumption (maximum) | - | - | 72 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 | 647.2 mm 64.72 cm 25.4803 in 2.1234 ft | 587.4 mm 58.74 cm 23.126 in 1.9272 ft | - |
| Height | - | 333.9 mm 33.39 cm 13.1457 in 1.0955 ft | - |
| Depth | - | 41.1 mm 4.11 cm 1.6181 in 0.1348 ft | - |
| Weight | - | 4.51 kg 9.94 lbs | - |
| Width with stand | 656.2 mm 65.62 cm 25.8346 in 2.1529 ft | 591.5 mm 59.15 cm 23.2874 in 1.9406 ft | 531.1 mm 53.11 cm 20.9094 in 1.7425 ft |
| Height with stand | 487.2 mm 48.72 cm 19.1811 in 1.5984 ft | 415.8 mm 41.58 cm 16.3701 in 1.3642 ft | 367.2 mm 36.72 cm 14.4567 in 1.2047 ft |
| Depth with stand | 227.2 mm 22.72 cm 8.9449 in 0.7454 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 | 7.75 kg 17.09 lbs | 5.8 kg 12.79 lbs | 7.7 kg 16.98 lbs |
| Box width | - | 690 mm 69 cm 27.1654 in 2.2638 ft | - |
| Box height | - | 454 mm 45.4 cm 17.874 in 1.4895 ft | - |
| Box depth | - | 126 mm 12.6 cm 4.9606 in 0.4134 ft | - |
| Box weight | - | 6.15 kg 13.56 lbs | - |
| Stand depth | 214 mm 21.4 cm 8.4252 in 0.7021 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 | 100 x 100 mm | 75 x 75 mm | 75 x 75 mm |
| Removable stand | Yes | Yes | No |
| Height adjustment | Yes | No | Yes |
| Height adjustment range | 90 mm 9 cm 3.5433 in 0.2953 ft | - | 110 mm 11 cm 4.3307 in 0.3609 ft |
| Landscape/portrait pivot | Yes | No | No |
| Left pivot | 90 ° | - | - |
| Right pivot | 90 ° | - | - |
| Left/right swivel | Yes | No | Yes |
| Left swivel | 45 ° | - | 90 ° |
| Right swivel | 45 ° | - | 90 ° |
| Forward/backward tilt | Yes | Yes | Yes |
| Forward tilt | 3 ° | 12 ° | 8 ° |
| Backward tilt | 12 ° | 32 ° | 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 |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 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 |
| - | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | Dynamic Image Clarity Flicker-free technology Qunatum Dot Color | Adaptive-Sync technology AOC G-Menu Fast VA Frame Counter Game Color Low Input Lag Shadow Control | Pro Gamer's Color Preset Turbo 240 |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | - | CCC CE CEL FCC RoHS | CE CB cTick cTÜVus FCC Class B GOST-R ICES-003-B PSE RoHS TÜV/Ergonomics TÜV/GS TÜV/S VCCI-B 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 | - | 0 °C - 40 °C 32 °F - 104 °F | 5 °C - 35 °C 41 °F - 95 °F |
| Operating humidity | - | 10 % - 85 % | 20 % - 80 % |
| Operating altitude | - | 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 % | 10 % - 90 % |
| Storage altitude | - | 12192 m 40000 ft | - |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | HDMI cable | DisplayPort cable HDMI cable | Audio cable Cable holder DisplayPort cable DVI cable USB cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot | Anti-theft stand lock slot | - |
| KOORUI S2721PM | AOC Q27G42XNE | EIZO FG2421 |


