Comparison between:
- 27" Asus VS278Q
- 23.8" ViewSonic VA2456-mhd
- 23.8" Acer R240HY
- 23.8" ViewSonic VA2447-MH
Brand, series, model
Information about the brand, series, model and model aliases.
| Asus VS278Q | ViewSonic VA2456-mhd | Acer R240HY | ViewSonic VA2447-MH | |
| Series | - | - | R0 | - |
 |  |  |  | |
| Model alias | - | - | R240HYbidx R240HY bidx | - |
| Model year | 2012 | 2018 | 2016 | 2021 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 23.8 in | 23.8 in | 23.8 in |
| Diagonal | 685.8 mm 68.58 cm 27 in 2.25 ft | 604 mm 60.4 cm 23.7795 in 1.9816 ft | 604 mm 60.4 cm 23.7795 in 1.9816 ft | 604.5 mm 60.45 cm 23.7992 in 1.9833 ft |
| Width | 579.8 mm 57.98 cm 22.8268 in 1.9022 ft | 513.24 mm 51.324 cm 20.2063 in 1.6839 ft | 513.24 mm 51.324 cm 20.2063 in 1.6839 ft | 514.84 mm 51.484 cm 20.2693 in 1.6891 ft |
| Height | 326.35 mm 32.635 cm 12.8484 in 1.0707 ft | 287.66 mm 28.766 cm 11.3252 in 0.9438 ft | 287.66 mm 28.766 cm 11.3252 in 0.9438 ft | 284.96 mm 28.496 cm 11.2189 in 0.9349 ft |
| Panel manufacturer | Innolux | - | - | - |
| Panel model | M270HGE-L30 | - | - | - |
| Panel type | IPS | VA | VA | 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 | 1920 x 1080 pixels Full HD / 1080p | 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 | 0.218 mm 0.0218 cm 0.0086 in 0.0007 ft | 0.218 mm 0.0218 cm 0.0086 in 0.0007 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 84 ppi 33 ppcm | 95 ppi 37 ppcm | 95 ppi 37 ppcm | 94 ppi 37 ppcm |
| Display area | 84.27 % | 96.62 % | 96.42 % | 96.95 % |
| Backlight | W-LED | W-LED | W-LED | W-LED |
| sRGB | - | - | - | 117 % |
| NTSC (1953) | 72 % | 72 % | 72 % | 72 % |
| Brightness | 450 cd/m² | 400 cd/m² | 400 cd/m² | 350 cd/m² |
| Static contrast | 1200 : 1 | 1200 : 1 | 1200 : 1 | 4000 : 1 |
| Dynamic contrast | 80000000 : 1 | 50000000 : 1 | 100000000 : 1 | 50000000 : 1 |
| Horizontal viewing angle | 170 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 160 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 1 ms 0.0010 s | 7 ms 0.0070 s | 4 ms 0.0040 s | 5 ms 0.0050 s |
| Average response time | 4 ms 0.0040 s | 14 ms 0.0140 s | 14 ms 0.0140 s | - |
| Input lag | - | - | 10 ms 0.0100 s | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
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 (analog) | 30 kHz - 83 kHz | - | - | - |
| Vertical frequency (analog) | 50 Hz - 76 Hz | - | - | - |
| Vertical frequency (digital) | 50 Hz | 50 Hz | 50 Hz | 60 Hz |
| - | DisplayPort - 24 kHz - 83 kHz; 50 Hz - 75 Hz HDMI - 15 kHz - 83 kHz; 50 Hz - 75 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 |
| Power consumption (off) | 0.5 W | 0.3 W | 0.4 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.45 W | 0.3 W |
| Power consumption (eco) | - | 18 W | 29 W | 23 W |
| Power consumption (average) | 58 W | 35 W | - | 40 W |
| Power consumption (maximum) | - | 50 W | - | 47 W |
| Power consumption (annual) | - | 51 kWh | - | - |
| 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 | 622.3 mm 62.23 cm 24.5 in 2.0417 ft | 507.3 mm 50.73 cm 19.9724 in 1.6644 ft | 507.5 mm 50.75 cm 19.9803 in 1.665 ft | 524.5 mm 52.45 cm 20.6496 in 1.7208 ft |
| Height | 360.8 mm 36.08 cm 14.2047 in 1.1837 ft | 301.2 mm 30.12 cm 11.8583 in 0.9882 ft | 301.7 mm 30.17 cm 11.878 in 0.9898 ft | 288.5 mm 28.85 cm 11.3583 in 0.9465 ft |
| Depth | 39.9 mm 3.99 cm 1.5709 in 0.1309 ft | 30.4 mm 3.04 cm 1.1969 in 0.0997 ft | 24.3 mm 2.43 cm 0.9567 in 0.0797 ft | 33.5 mm 3.35 cm 1.3189 in 0.1099 ft |
| Weight | - | 3.9 kg 8.6 lbs | - | 2.4 kg 5.29 lbs |
| Width with stand | 626.4 mm 62.64 cm 24.6614 in 2.0551 ft | 507.4 mm 50.74 cm 19.9764 in 1.6647 ft | 507.6 mm 50.76 cm 19.9843 in 1.6654 ft | 515.5 mm 51.55 cm 20.2953 in 1.6913 ft |
| Height with stand | 436.1 mm 43.61 cm 17.1693 in 1.4308 ft | 365.8 mm 36.58 cm 14.4016 in 1.2001 ft | 383.1 mm 38.31 cm 15.0827 in 1.2569 ft | 357.5 mm 35.75 cm 14.0748 in 1.1729 ft |
| Depth with stand | 216 mm 21.6 cm 8.5039 in 0.7087 ft | 196.6 mm 19.66 cm 7.7402 in 0.645 ft | 183.1 mm 18.31 cm 7.2087 in 0.6007 ft | 193.5 mm 19.35 cm 7.6181 in 0.6348 ft |
| Weight with stand | 7.2 kg 15.87 lbs | 5.4 kg 11.9 lbs | - | 3.1 kg 6.83 lbs |
| Box width | 725 mm 72.5 cm 28.5433 in 2.3786 ft | 600 mm 60 cm 23.622 in 1.9685 ft | - | 600 mm 60 cm 23.622 in 1.9685 ft |
| Box height | 541 mm 54.1 cm 21.2992 in 1.7749 ft | 414 mm 41.4 cm 16.2992 in 1.3583 ft | - | 414 mm 41.4 cm 16.2992 in 1.3583 ft |
| Box depth | 175 mm 17.5 cm 6.8898 in 0.5741 ft | 131 mm 13.1 cm 5.1575 in 0.4298 ft | - | 131 mm 13.1 cm 5.1575 in 0.4298 ft |
| Box weight | 7.2 kg 15.87 lbs | 5.4 kg 11.9 lbs | - | 4.6 kg 10.14 lbs |
| Stand depth | - | - | - | 206 mm 20.6 cm 8.1102 in 0.6759 ft |
| Colors | Black | Black | 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 | 75 x 75 mm | 75 x 75 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | No | No | No | No |
| Landscape/portrait pivot | No | No | No | No |
| Left/right swivel | No | No | No | Yes |
| Left swivel | - | - | - | 180 ° |
| Right swivel | - | - | - | 180 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 12 ° | 8 ° | 4 ° | 14 ° |
| Backward tilt | 32 ° | 25 ° | 15 ° | 35 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 3 W | 2 x 3 W | - | 2 x 4 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 DisplayPort 1.2 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out | 1 x DisplayPort 1.2 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out | 1 x DVI-D Dual Link 1 x D-sub 1 x 3.5 mm Audio Out | 1 x D-sub 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) | High-bandwidth Digital Content Protection (HDCP) on DVI-D | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | GamePlus (Crosshair/Timer) SPLENDID Video Intelligence Technology | Blue Light Filter Flicker-free technology | Flicker-free technology | Blue Light Filter |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | BSMI C-Tick CB CCC CE CU ENERGY STAR 6.0 ErP FCC J-MOSS RoHS UL/cUL VCCI WEEE WHQL (Windows 8.1; Windows 7) | CB CCC CE CEL Level 1 CU ENERGY STAR 7.0 Epeat Silver ErP eStandby FCC Class B REACH SVHC List & DoC RoHS VCCI WEEE | ENERGY STAR TCO Displays 6.0 | CB CEC cTUVus Energy Star EPEAT FCC-B ICES003 Mexico Energy NOM RoHS |
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 - 50 °C 32 °F - 122 °F | 0 °C - 40 °C 32 °F - 104 °F | - | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | - | 10 % - 85 % | - | 20 % - 90 % |
| Operating altitude | - | 5000 m 16404.2 ft | - | 3000 m 9842.52 ft |
| Storage temperature | 20 °C - 60 °C 68 °F - 140 °F | -25 °C - 55 °C -13 °F - 131 °F | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F |
| Storage humidity | - | 20 % - 90 % | - | 5 % - 90 % |
| Storage altitude | - | 12192 m 40000 ft | - | 12000 m 39370.1 ft |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | Audio cable D-sub cable | Audio cable D-sub cable | D-sub cable | HDMI 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 |
| Asus VS278Q | ViewSonic VA2456-mhd | Acer R240HY | ViewSonic VA2447-MH |