Comparison between:
- 21.5" Asus VX228H
- 31.5" Acer ED320QR bi
Brand, series, model
Information about the brand, series, model and model aliases.
| Asus VX228H | Acer ED320QR bi | |
| Series | - | ED0 |
 |  | |
| Model alias | - | ED320QR ED320QRbi UM.JE0AA.006 |
| Model year | 2014 | 2023 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 21.5 in | 31.5 in |
| Diagonal | 546.1 mm 54.61 cm 21.5 in 1.7917 ft | 801 mm 80.1 cm 31.5354 in 2.628 ft |
| Width | 475.2 mm 47.52 cm 18.7087 in 1.5591 ft | 698.4 mm 69.84 cm 27.4961 in 2.2913 ft |
| Height | 267.3 mm 26.73 cm 10.5236 in 0.877 ft | 392.85 mm 39.285 cm 15.4665 in 1.2889 ft |
| Radius of curvature | - | 1500 mm 150 cm 59.0551 in 4.9213 ft |
| Panel type | TN | VA |
| Panel bit depth | 8 bits | 8 bits (6 bits + FRC) |
| FRC | - | Yes |
| 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 | 0.248 mm 0.0248 cm 0.0097 in 0.0008 ft | 0.364 mm 0.0364 cm 0.0143 in 0.0012 ft |
| Pixel density | 102 ppi 40 ppcm | 69 ppi 27 ppcm |
| Backlight | W-LED | W-LED |
| NTSC (1953) | 72 % | 72 % |
| Brightness | 250 cd/m² | 300 cd/m² |
| Static contrast | 1000 : 1 | 3000 : 1 |
| Dynamic contrast | 100000000 : 1 | 100000000 : 1 |
| Horizontal viewing angle | 170 ° | 178 ° |
| Vertical viewing angle | 160 ° | 178 ° |
| Minimum response time | 1 ms 0.0010 s | 5 ms 0.0050 s |
| Coating | Anti-glare/Matte | 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 |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (analog) | 30 kHz - 80 kHz | - |
| Horizontal frequency (digital) | 30 kHz - 80 kHz | - |
| Vertical frequency (analog) | 56 Hz - 76 Hz | - |
| Vertical frequency (digital) | 56 Hz - 76 Hz | 48 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 |
| 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 (average) | 15.69 W | - |
| Power consumption (maximum) | 26 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 | - | 709 mm 70.9 cm 27.9134 in 2.3261 ft |
| Width with stand | 514.9 mm 51.49 cm 20.2717 in 1.6893 ft | 709 mm 70.9 cm 27.9134 in 2.3261 ft |
| Height with stand | 385.9 mm 38.59 cm 15.1929 in 1.2661 ft | 514.8 mm 51.48 cm 20.2677 in 1.689 ft |
| Depth with stand | 210 mm 21 cm 8.2677 in 0.689 ft | 198 mm 19.8 cm 7.7953 in 0.6496 ft |
| Weight with stand | 2.4 kg 5.29 lbs | - |
| Stand depth | - | 198 mm 19.8 cm 7.7953 in 0.6496 ft |
| 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 1 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 | 2 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out | 1 x HDMI 1.4 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 | Blue Light Filter Flicker-free technology GamePlus (Crosshair/Timer) Low Blue Light SPLENDID Video Intelligence Technology Trace Free Technology | Adaptive Contrast Management (ACM) AMD FreeSync technology Bluelight Shield ComfyView Flicker-free technology ZeroFrame Design |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | BSMI CB CCC CE CEL level 1 cTick CU eStandby ENERGY STAR FCC Class B J-MOSS KCC PSE RCM RoHS TCO Certified Displays 6.0 UL/cUL VCCI WEEE WHQL (Windows 10; Windows 8.1; 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 | 0 °C - 40 °C 32 °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 | Audio cable D-sub cable HDMI cable | HDMI cable |
| Asus VX228H | Acer ED320QR bi |