0
Premium subscription
Limited offer: $9.99 FREE
Subscription benefits:
As Amazon associates we earn from qualifying purchases.
General Info | ||
---|---|---|
Model Number | AOC U28P2A | Dell P3221D |
Price | ||
Type | Monitor | Monitor |
Year | 2021 | 2020 |
Brand | AOC | Dell |
Model Number | U28P2A | P3221D |
Display | ||
Screen Size Class | 28" (inches) | 32" (inches) |
Diagonal Size | 27.9 in 70.9 cm 708.538 mm 2.32 ft |
31.53 in 80.1 cm 800.98 mm 2.63 ft |
Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
27.48 in 69.8 cm 698.112 mm 2.29 ft |
Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
15.46 in 39.3 cm 392.688 mm 1.29 ft |
Display Type | IPS | IPS |
Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) |
Frame Rate Control | Yes | Yes |
Max Number of Colors | 1073741824 | 1073741824 |
Bits | 30 | 30 |
Screen Aspect Ratio | 16:9 | 16:9 |
Screen Resolution | 3840 x 2160 | 2560 x 1440 |
Screen Pixel Pitch | 0.161 mm | 0.273 mm |
Screen Pixel Density | 157 ppi | 93 ppi |
Screen-to-Body Ratio | 90.36 % | 91.93 % |
Backlight Source | W-LED | W-LED |
sRGB | 120 % | 99 % |
Adobe RGB 1998 | 89 % | |
Screen Brightness | 300 cd/m² | 350 cd/m² |
Static Screen Contrast | 1000 : 1 | 1000 : 1 |
Dynamic Screen Contrast | 50000000 : 1 | |
Screen Horizontal Viewing Angle | 178 ° | 178 ° |
Screen Vertical Viewing Angle | 178 ° | 178 ° |
Display Minimum Response Time | 4 ms | 5 ms |
Display Average Response Time | 8 ms | |
Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
HDR | HDR10 | |
3D | No | No |
Size, weight, color | ||
Case Depth | 1.94 in 4.9 cm 49.3 mm 0.16 ft |
2.18 in 5.5 cm 55.3 mm 0.18 ft |
Case Weight | 4.77 kg 10 lbs |
6.4 kg 14 lbs |
Case Width with Stand | 25.06 in 63.6 cm 636.4 mm 2.09 ft |
28.09 in 71.3 cm 713.4 mm 2.34 ft |
Case Height with Stand | 15.91 in 40.4 cm 404 mm 1.33 ft |
18.46 in 46.9 cm 468.8 mm 1.54 ft |
Case Depth with Stand | 7.88 in 20 cm 200.1 mm 0.66 ft |
9.06 in 23 cm 230 mm 0.75 ft |
Case Weight with Stand | 6.76 kg 15 lbs |
11.2 kg 25 lbs |
Case Color | Black | Apollo Gray |
Hardware | ||
Built-in Camera | No | No |
Connectivity | 12 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.2 (Type-A; Gen 1; downstream) 2 x HDMI 2.0 |
1 x USB 3.2 (Type-C; Gen 1; upstream; 65W; DP Alt Mode) 1 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 2 x USB 2.0 (Type-A; downstream) 2 x USB 3.2 (Type-A; Gen 1; downstream) |
Audio | ||
Audio Speakers | 2 x 3W | |
Features | ||
Cool Features | Low Blue Light Picture-by-Picture Wide Viewing Angle Picture-in-Picture Adaptive-Sync technology Flicker-free technology |
Low Blue Light 3-sided bezeless design Flicker-free technology |
Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
Ergonomics | ||
Case Width | 25.06 in 63.6 cm 636.4 mm 2.09 ft |
28.09 in 71.3 cm 713.4 mm 2.34 ft |
Case Height | 14.51 in 36.9 cm 368.5 mm 1.21 ft |
16.46 in 41.8 cm 418 mm 1.37 ft |
Vesa Mount Support | Yes | Yes |
VESA Interface Standard Size | 100 x 100 | 100 x 100 |
Removable VESA Stand | Yes | Yes |
Height Adjustment | Yes | Yes |
Height Adjustment Range | 130 mm 13 cm 5.1181 in 0.4265 ft |
150 mm 15 cm 5.9055 in 0.4921 ft |
Landscape or Portrait Pivot Support | Yes | Yes |
Left Pivot | 90 ° | 90 ° |
Right Pivot | 90 ° | 90 ° |
Left or Right Swivel Support | Yes | Yes |
Left Swivel | 175 ° | 30 ° |
Right Swivel | 175 ° | 30 ° |
Forward and Backward Tilt Support | Yes | Yes |
Forward Tilt | 5 ° | 5 ° |
Backward Tilt | 35 ° | 21 ° |
Frequency and Interpolation | ||
Vertical Digital Frequency | 23 Hz - 75 Hz | 56 Hz - 76 Hz |
Horizontal Digital Frequency | 30 kHz - 140 kHz | 30 kHz - 90 kHz |
Screen Interpolation Measurement Unit | NULL | NULL |
Accessories | ||
Extras | DisplayPort cable HDMI cable |
DisplayPort cable USB Type-C to Type-A cable USB Type-C to Type-C cable |
Certificates and Standards | ||
Licenses | CCC CE CECP CEL CH RoHS cTUVus ISO9241-307 TÜV Low Blue Light Win10 |
ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
Usage and Storage Requirements | ||
Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
|
Safe Operating Humidity Level | 10 % - 80 % | |
Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
Internal Storage Humidity | 5 % - 90 % | |
Max Operating Altitude | 5000 | |
Max Storage Altitude | 12192 |
AOC U28P2A | Dell P3221D |