Comparison between:
- 27" BenQ EW2750ZL
- 21.5" BenQ GW2255
Brand, series, model
Information about the brand, series, model and model aliases.
| BenQ EW2750ZL | BenQ GW2255 | |
 |  | |
| Model year | 2014 | 2013 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 21.5 in |
| Diagonal | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 546 mm 54.6 cm 21.4961 in 1.7913 ft |
| Width | 597.6 mm 59.76 cm 23.5276 in 1.9606 ft | 476.64 mm 47.664 cm 18.7654 in 1.5638 ft |
| Height | 336.15 mm 33.615 cm 13.2343 in 1.1029 ft | 268.11 mm 26.811 cm 10.5555 in 0.8796 ft |
| Panel manufacturer | AU Optronics | AU Optronics |
| Panel model | M270HVN02.3 | T215HVN01.0 |
| Panel type | AMVA | VA |
| Panel bit depth | 8 bits | 8 bits |
| FRC | No | No |
| Colors | 16777216 colors 24 bits | 16777216 colors 24 bits |
| Aspect ratio | 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 |
| Pixel pitch | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.248 mm 0.0248 cm 0.0098 in 0.0008 ft |
| Pixel density | 81 ppi 32 ppcm | 102 ppi 40 ppcm |
| Display area | - | 76.07 % |
| Backlight | W-LED | W-LED |
| sRGB | 99 % | - |
| Adobe RGB (1998) | 77 % | - |
| NTSC (1953) | 72 % | 72 % |
| Brightness | 300 cd/m² | 250 cd/m² |
| Static contrast | 3000 : 1 | 3000 : 1 |
| Dynamic contrast | 20000000 : 1 | 20000000 : 1 |
| Horizontal viewing angle | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° |
| Minimum response time | 4 ms 0.0040 s | 6 ms 0.0060 s |
| Average response time | 12 ms 0.0120 s | 18 ms 0.0180 s |
| Input lag | 14 ms 0.0140 s | - |
| Coating | Anti-glare/Matte | - |
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.
| Horizontal frequency (digital) | 30 kHz - 83 kHz | 30 kHz - 83 kHz |
| Vertical frequency (digital) | 50 Hz - 76 Hz | 50 Hz - 76 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 |
| 220V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Power consumption (off) | 0.5 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W |
| Power consumption (eco) | 27 W | - |
| Power consumption (average) | 45 W | 21 W |
| Power consumption (maximum) | - | 28 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 | - | 525 mm 52.5 cm 20.6693 in 1.7224 ft |
| Height | - | 320 mm 32 cm 12.5984 in 1.0499 ft |
| Depth | - | 61 mm 6.1 cm 2.4016 in 0.2001 ft |
| Width with stand | 613.8 mm 61.38 cm 24.1654 in 2.0138 ft | 525 mm 52.5 cm 20.6693 in 1.7224 ft |
| Height with stand | 458.5 mm 45.85 cm 18.0512 in 1.5043 ft | 400 mm 40 cm 15.748 in 1.3123 ft |
| Depth with stand | 194.9 mm 19.49 cm 7.6732 in 0.6394 ft | 174 mm 17.4 cm 6.8504 in 0.5709 ft |
| Weight with stand | 4.3 kg 9.48 lbs | 3.7 kg 8.16 lbs |
| Colors | Black | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | No | Yes |
| VESA interface | - | 100 x 100 mm |
| Removable stand | Yes | Yes |
| Height adjustment | No | No |
| Landscape/portrait pivot | No | No |
| Left/right swivel | No | No |
| Forward/backward tilt | Yes | Yes |
| Forward tilt | 5 ° | 5 ° |
| Backward tilt | 20 ° | 15 ° |
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 |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x HDMI 1.4 (MHL) 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 DVI-D Dual Link 1 x D-sub |
| High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | AMA (Advanced Motion Accelerator) Display Pilot Flicker-free technology Low Blue Light Senseye 3 | AMA (Advanced Motion Accelerator) Flicker-free technology Senseye 3 |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | ENERGY STAR 6.0 TCO Certified Displays 6.0 | ENERGY STAR 6.0 TCO 5.2 WHQL (Windows 8.1; Windows 8; Windows 7) |
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 - 40 °C 41 °F - 104 °F |
| Storage temperature | - | -20 °C - 60 °C -4 °F - 140 °F |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | D-sub cable HDMI cable | D-sub cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| BenQ EW2750ZL | BenQ GW2255 |