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| General Info | ||
|---|---|---|
| Model Number | Acer ET221Qbi | Dell S2522HG |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2017 | 2021 |
| Brand | Acer | Dell |
| Model Number | ET221Qbi | S2522HG |
| Display | ||
| Screen Size Class | 22" (inches) | 25" (inches) |
| Diagonal Size | 21.5 in 54.6 cm 546.1 mm 1.79 ft |
21.41 in 54.4 cm 543.744 mm 1.78 ft |
| Screen Width | 18.77 in 47.7 cm 476.64 mm 1.56 ft |
24.5 in 62.2 cm 622.28 mm 2.04 ft |
| Screen Height | 10.56 in 26.8 cm 268.11 mm 0.88 ft |
11.91 in 30.3 cm 302.616 mm 0.99 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 8 bits (6 bits + FRC) | 8 bits |
| Frame Rate Control | 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 | 0.283 mm |
| Screen Pixel Density | 102 ppi | 78 ppi |
| Screen-to-Body Ratio | 103.61 % | |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| Screen Brightness | 250 cd/m² | 400 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | 1 ms |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.69 in 6.8 cm 68.38 mm 0.22 ft |
|
| Case Weight | 3.72 kg 8 lbs |
|
| Case Width with Stand | 21.87 in 55.5 cm 555.4 mm 1.82 ft |
|
| Case Height with Stand | 14.79 in 37.6 cm 375.75 mm 1.23 ft |
|
| Case Depth with Stand | 7.89 in 20 cm 200.3 mm 0.66 ft |
|
| Case Weight with Stand | 6.13 kg 13 lbs |
|
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 1 x D-sub |
2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.2 (Gen1; BC 1.2 2A) 1 x USB 3.2 (Gen1; upstream) |
| Audio | ||
| Features | ||
| Cool Features | Low Blue Light Flicker-free technology HDCP (High-bandwidth Digital Content Protection) |
Dell ComfortView Dark Stabilizer FPS Counter NVIDIA G-SYNC Compatible Low Blue Light Flicker-free technology AMD FreeSync Premium Timer Ambient lighting |
| Extra Features | Anti-theft stand lock slot - Kensington | Security lock slot |
| Ergonomics | ||
| Case Width | 21.87 in 55.5 cm 555.4 mm 1.82 ft |
|
| Case Height | 12.88 in 32.7 cm 327.24 mm 1.07 ft |
|
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | Yes |
| Height Adjustment Range | 130 mm 13 cm 5.1181 in 0.4265 ft |
|
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 45 ° | |
| Right Swivel | 45 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 20 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 55 Hz - 75 Hz | 48 Hz - 240 Hz |
| Horizontal Digital Frequency | 30 kHz - 80 kHz | 30 kHz - 255 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Certificates and Standards | ||
| Licenses | CE ENERGY STAR 7.0 TCO Certified Displays 7.0 |
RoHS |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 20 % - 80 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 65 °C -4 °F - 149 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 10 % - 90 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Acer ET221Qbi | Dell S2522HG |
