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| General Info | ||
|---|---|---|
| Model Number | Acer QG221Q bii | Acer XF251Q |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2017 |
| Brand | Acer | Acer |
| Model Number | QG221Q bii | XF251Q |
| Alias | XF251Qbmirix XF251Q bmiirx |
|
| Display | ||
| Screen Size Class | 22" (inches) | 25" (inches) |
| Diagonal Size | 21.5 in 54.6 cm 546.1 mm 1.79 ft |
24.5 in 62.2 cm 622.3 mm 2.04 ft |
| Screen Width | 18.74 in 47.6 cm 476.064 mm 1.56 ft |
21.41 in 54.4 cm 543.744 mm 1.78 ft |
| Screen Height | 10.54 in 26.8 cm 267.786 mm 0.88 ft |
11.91 in 30.3 cm 302.616 mm 0.99 ft |
| Display Type | VA | TN |
| 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 | 0.283 mm |
| Screen Pixel Density | 102 ppi | 89 ppi |
| Screen-to-Body Ratio | 88.43 % | 88.84 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| Adobe RGB 1998 | 74 % | |
| NTSC 1953 | 72 % | 72 % |
| Screen Brightness | 250 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | 100000000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 170 ° |
| Screen Vertical Viewing Angle | 178 ° | 160 ° |
| Screen Input Lag | 7 ms | |
| Display Minimum Response Time | 1 ms | |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.58 in 6.6 cm 65.5 mm 0.21 ft |
2.2 in 5.6 cm 56 mm 0.18 ft |
| Case Weight | 2.96 kg 7 lbs |
3.7 kg 8 lbs |
| Case Width with Stand | 19.28 in 49 cm 489.7 mm 1.61 ft |
21.96 in 55.8 cm 557.9 mm 1.83 ft |
| Case Height with Stand | 15.57 in 39.6 cm 395.5 mm 1.3 ft |
15.77 in 40 cm 400.46 mm 1.31 ft |
| Case Depth with Stand | 7.3 in 18.6 cm 185.5 mm 0.61 ft |
10.6 in 26.9 cm 269.24 mm 0.88 ft |
| Case Weight with Stand | 3.36 kg 7 lbs |
5.62 kg 12 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x HDMI 1 x D-sub |
1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x D-sub |
| Audio | ||
| Audio Speakers | 2 x 2W | 2 x 2W |
| Features | ||
| Cool Features | AMD FreeSync technology | Flicker-free technology HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Blue Light Filter |
| Ergonomics | ||
| Case Width | 19.28 in 49 cm 489.7 mm 1.61 ft |
21.96 in 55.8 cm 557.9 mm 1.83 ft |
| Case Height | 11.59 in 29.4 cm 294.4 mm 0.97 ft |
13.07 in 33.2 cm 332 mm 1.09 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 | 115 mm 11.5 cm 4.5276 in 0.3773 ft |
|
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 0 ° | |
| 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 | 25 ° | 15 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 76 Hz | 55 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 85 kHz | 30 kHz - 85 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | HDMI cable VGA cable |
Audio cable D-sub cable HDMI cable |
| Certificates and Standards | ||
| Licenses | ENERGY STAR ErP TCO Certified Displays |
|
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
|
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
| Internal Storage Humidity | 20 % - 80 % |
| Acer QG221Q bii | Acer XF251Q |
