Comparison between:
- 21.5" Asus VP229HE
- 23.8" Lenovo L24i-30
- 21.5" AOpen 22CL3Q
- 21.5" Acer VG220Q bmiix
Brand, series, model
Information about the brand, series, model and model aliases.
| Asus VP229HE | Lenovo L24i-30 | AOpen 22CL3Q | Acer VG220Q bmiix | |
| Series | - | - | CL3 | Nitro VG0 |
 |  |  |  | |
| Model alias | - | - | - | VG220 qbmiix VG220Qbmiix |
| Model year | 2020 | 2021 | 2020 | 2018 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 21.5 in | 23.8 in | 21.5 in | 21.5 in |
| Diagonal | 546.1 mm 54.61 cm 21.5 in 1.7917 ft | 604.7 mm 60.47 cm 23.8071 in 1.9839 ft | 546.1 mm 54.61 cm 21.5 in 1.7917 ft | 546.1 mm 54.61 cm 21.5 in 1.7917 ft |
| Width | 476.064 mm 47.6064 cm 18.7427 in 1.5619 ft | 527.04 mm 52.704 cm 20.7496 in 1.7291 ft | 476.64 mm 47.664 cm 18.7654 in 1.5638 ft | 476.064 mm 47.6064 cm 18.7427 in 1.5619 ft |
| Height | 267.786 mm 26.7786 cm 10.5428 in 0.8786 ft | 296.46 mm 29.646 cm 11.6717 in 0.9726 ft | 267.786 mm 26.7786 cm 10.5428 in 0.8786 ft | 267.786 mm 26.7786 cm 10.5428 in 0.8786 ft |
| Panel type | IPS | IPS | IPS | IPS |
| Panel bit depth | 8 bits | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) |
| FRC | - | Yes | Yes | 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 | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p |
| Pixel pitch | 0.248 mm 0.0248 cm 0.0098 in 0.0008 ft | 0.275 mm 0.0275 cm 0.0108 in 0.0009 ft | 0.248 mm 0.0248 cm 0.0098 in 0.0008 ft | 0.248 mm 0.0248 cm 0.0098 in 0.0008 ft |
| Pixel density | 102 ppi 40 ppcm | 92 ppi 36 ppcm | 102 ppi 40 ppcm | 102 ppi 40 ppcm |
| Display area | 87.31 % | 88.37 % | - | 88.19 % |
| Backlight | W-LED | W-LED | W-LED | W-LED |
| NTSC (1953) | - | 72 % | 72 % | 72 % |
| Brightness | 250 cd/m² | 250 cd/m² | 250 cd/m² | 250 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 | 1000 : 1 | 1000 : 1 |
| Dynamic contrast | 100000000 : 1 | 3000000 : 1 | - | 100000000 : 1 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 5 ms 0.0050 s | 4 ms 0.0040 s | 4 ms 0.0040 s | 1 ms 0.0010 s |
| Average response time | - | 6 ms 0.0060 s | - | - |
| Coating | Anti-glare/Matte | Anti-glare/Matte | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| - | - | - | Response time - 1 ms (Visual Response Boost technology) |
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 - 85 kHz | - | - | - |
| Horizontal frequency (digital) | 30 kHz - 85 kHz | - | 30 kHz - 85 kHz | 30 kHz - 85 kHz |
| Vertical frequency (analog) | 48 Hz - 75 Hz | - | - | - |
| Vertical frequency (digital) | 48 Hz - 75 Hz | 48 Hz - 75 Hz | 48 Hz - 75 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 | 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) | - | - | 3 A | - |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W | 0.27 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.3 W | 0.39 W |
| Power consumption (eco) | - | - | - | 13.24 W |
| Power consumption (average) | 12 W | 17.5 W | 19 W | - |
| Power consumption (maximum) | - | 23.5 W | - | 26.35 W |
| 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 | 490 mm 49 cm 19.2913 in 1.6076 ft | 540.4 mm 54.04 cm 21.2756 in 1.773 ft | - | 490 mm 49 cm 19.2913 in 1.6076 ft |
| Height | 298 mm 29.8 cm 11.7323 in 0.9777 ft | 327.2 mm 32.72 cm 12.8819 in 1.0735 ft | - | 295 mm 29.5 cm 11.6142 in 0.9678 ft |
| Depth | 53 mm 5.3 cm 2.0866 in 0.1739 ft | 45.5 mm 4.55 cm 1.7913 in 0.1493 ft | - | 65 mm 6.5 cm 2.5591 in 0.2133 ft |
| Weight | 2.5 kg 5.51 lbs | 3.06 kg 6.75 lbs | - | 2.84 kg 6.26 lbs |
| Width with stand | 490 mm 49 cm 19.2913 in 1.6076 ft | 540.4 mm 54.04 cm 21.2756 in 1.773 ft | - | 490 mm 49 cm 19.2913 in 1.6076 ft |
| Height with stand | 363 mm 36.3 cm 14.2913 in 1.1909 ft | 434.5 mm 43.45 cm 17.1063 in 1.4255 ft | - | 384 mm 38.4 cm 15.1181 in 1.2598 ft |
| Depth with stand | 199 mm 19.9 cm 7.8346 in 0.6529 ft | 165 mm 16.5 cm 6.4961 in 0.5413 ft | - | 221 mm 22.1 cm 8.7008 in 0.7251 ft |
| Weight with stand | 2.9 kg 6.39 lbs | 3.82 kg 8.42 lbs | - | 3.25 kg 7.17 lbs |
| Box width | 552 mm 55.2 cm 21.7323 in 1.811 ft | 624 mm 62.4 cm 24.5669 in 2.0472 ft | - | - |
| Box height | 420 mm 42 cm 16.5354 in 1.378 ft | 415 mm 41.5 cm 16.3386 in 1.3615 ft | - | - |
| Box depth | 132 mm 13.2 cm 5.1969 in 0.4331 ft | 124 mm 12.4 cm 4.8819 in 0.4068 ft | - | - |
| Box weight | 4.2 kg 9.26 lbs | 5.42 kg 11.95 lbs | - | - |
| 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 | 100 x 100 mm | 100 x 100 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 | No |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 23 ° | 22 ° | 20 ° | 25 ° |
| - | ThinkCentre M Series Tiny Support ThinkCentre M Series Nano Support | - | - |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | - | 2 x 2 W | 2 x 2 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 HDMI 1.4 1 x D-sub | 1 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio Out | 2 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio Out | 2 x HDMI 1.4 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) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | Adaptive-Sync technology AMD FreeSync technology ASUS Smart Contrast Ratio (ASCR) Color Temperature Selection (4 modes) Flicker-free technology GamePlus (Crosshair/Timer/FPS Counter/Display Alignment) Low Blue Light NVIDIA G-Sync compatible QuickFit Skin-Tone Selection (3 modes) SPLENDID Video Intelligence Technology (8 modes) Trace Free Technology VividPixel | 3-side NearEdgeless design AMD FreeSync technology Flicker-free technology Low Blue Light | Acer BlueLightShield AMD FreeSync technology Flicker-free technology | AMD FreeSync technology Blue Light Filter Flicker-free technology |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | BSMI CB CCC CE CEL cTick CU eStandby ENERGY STAR Epeat Gold FCC Class B J-MOSS KCC PSE RCM RoHS TCO Certified Displays TÜV Low Blue Light TÜV Flicker-free UL/cUL VCCI WEEE WHQL (Windows 10; Windows 8.1; Windows 7) | CCC China Energy Efficiency Standard Tier 1 RoHS (EU 2002/95/EC) TÜV Rheinland Eye Comfort WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7) | ENERGY STAR ErP | ENERGY STAR 7.0 ErP TCO Certified Displays 7.0 |
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 | 0 °C - 45 °C 32 °F - 113 °F | - | - |
| Operating humidity | - | 10 % - 80 % | - | - |
| Operating altitude | - | 5000 m 16404.2 ft | - | - |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | - | - |
| Storage humidity | - | 5 % - 95 % | - | - |
| Storage altitude | - | 12192 m 40000 ft | - | - |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | D-sub cable (optional) HDMI cable (optional) | HDMI cable | D-sub cable (optional) HDMI cable (optional) | Audio cable D-sub cable HDMI cable - optional |
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 | Anti-theft stand lock slot - Kensington |
| Asus VP229HE | Lenovo L24i-30 | AOpen 22CL3Q | Acer VG220Q bmiix |