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| General Info | ||
|---|---|---|
| Model Number | Acer R221QBbmix | Lenovo L22i-30 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2021 |
| Brand | Acer | Lenovo |
| Model Series | R1 | |
| Model Number | R221QBbmix | L22i-30 |
| Alias | "R221QB bmix" R221QB |
66CAKAC1 |
| Display | ||
| Screen Size Class | 22" (inches) | 22" (inches) |
| Diagonal Size | 21.5 in 54.6 cm 546.1 mm 1.79 ft |
21.5 in 54.6 cm 546.1 mm 1.79 ft |
| Screen Width | 18.74 in 47.6 cm 476.064 mm 1.56 ft |
18.74 in 47.6 cm 476.064 mm 1.56 ft |
| Screen Height | 10.54 in 26.8 cm 267.786 mm 0.88 ft |
10.54 in 26.8 cm 267.786 mm 0.88 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 1920 x 1080 | 1920 x 1080 |
| Screen Pixel Pitch | 0.248 mm | 0.248 mm |
| Screen Pixel Density | 102 ppi | 102 ppi |
| Screen-to-Body Ratio | 84.77 % | 87.78 % |
| Backlight Source | W-LED | W-LED |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 250 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | 3000000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | |
| Display Average Response Time | 6 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.31 in 3.3 cm 33.4 mm 0.11 ft |
1.79 in 4.6 cm 45.5 mm 0.15 ft |
| Case Weight | 1.9 kg 4 lbs |
2.39 kg 5 lbs |
| Case Width with Stand | 19.61 in 49.8 cm 498 mm 1.63 ft |
19.26 in 48.9 cm 489.3 mm 1.61 ft |
| Case Height with Stand | 15.12 in 38.4 cm 384 mm 1.26 ft |
15.91 in 40.4 cm 404.1 mm 1.33 ft |
| Case Depth with Stand | 8.82 in 22.4 cm 224 mm 0.73 ft |
6.5 in 16.5 cm 165 mm 0.54 ft |
| Case Weight with Stand | 2.3 kg 5 lbs |
3.06 kg 7 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub (Mini; 15-pin) |
1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light ZeroFrame Design AMD FreeSync technology DDC2B (DDC/CI compatible) |
Blue Light Filter DDC/CI Flicker-free technology 3-side NearEdgeless Design AMD FreeSync technology |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 19.61 in 49.8 cm 498 mm 1.63 ft |
19.26 in 48.9 cm 489.3 mm 1.61 ft |
| Case Height | 11.89 in 30.2 cm 302 mm 0.99 ft |
11.69 in 29.7 cm 296.8 mm 0.97 ft |
| Vesa Mount Support | No | Yes |
| VESA Interface Standard Size | 100 x 100 | |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | No |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 15 ° | 22 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 75 Hz | 48 Hz - 75 Hz |
| Horizontal Digital Frequency | 54 kHz - 85 kHz | |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | Mini D-Sub 15-pin cable Audio cable |
HDMI cable |
| Certificates and Standards | ||
| Licenses | CCC CE FCC ISO9241-307 J-Moss green mark MPR Ⅱ PC recycling PSE (Electrical Appliance and Material Safety Law) RoHS VCCI-B |
CCC China Energy Efficiency Standard Tier 2 ENERGY STAR 8.0 RoHS TCO Certified Display 8.0 TCO Edge 2.0 TÜV Rheinland Flicker-free TÜV Rheinland Low Blue Light WHQL (Windows 10; Windows 7) |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 45 °C 32 °F - 113 °F |
| Safe Operating Humidity Level | 20 % - 80 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 95 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Acer R221QBbmix | Lenovo L22i-30 |
