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| General Info | ||
|---|---|---|
| Model Number | Dell P2421D | LG 24BK55WD |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2017 |
| Brand | Dell | LG |
| Model Number | P2421D | 24BK55WD |
| Alias | 24BK55WD-B | |
| Display | ||
| Screen Size Class | 24" (inches) | 24" (inches) |
| Diagonal Size | 23.78 in 60.4 cm 604 mm 1.98 ft |
24 in 61 cm 609.6 mm 2 ft |
| Screen Width | 20.74 in 52.7 cm 526.85 mm 1.73 ft |
20.41 in 51.8 cm 518.4 mm 1.7 ft |
| Screen Height | 11.67 in 29.6 cm 296.35 mm 0.97 ft |
12.76 in 32.4 cm 324 mm 1.06 ft |
| Display Manufacturer | LG Display | |
| Display Type | IPS | AH-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 | 16:10 |
| Screen Resolution | 2560 x 1440 | 1920 x 1200 |
| Screen Pixel Pitch | 0.206 mm | 0.27 mm |
| Screen Pixel Density | 123 ppi | 94 ppi |
| Screen-to-Body Ratio | 90.13 % | 81.19 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | 100 % |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 5000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 22 ms | |
| Display Minimum Response Time | 5 ms | 5 ms |
| Display Average Response Time | 8 ms | 15 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | |
| Size, weight, color | ||
| Case Depth | 1.68 in 4.3 cm 42.7 mm 0.14 ft |
2.33 in 5.9 cm 59.2 mm 0.19 ft |
| Case Weight | 3.37 kg 7 lbs |
4.8 kg 11 lbs |
| Case Width with Stand | 21.17 in 53.8 cm 537.8 mm 1.76 ft |
21.98 in 55.8 cm 558.4 mm 1.83 ft |
| Case Height with Stand | 14.02 in 35.6 cm 356.1 mm 1.17 ft |
15.86 in 40.3 cm 402.9 mm 1.32 ft |
| Case Depth with Stand | 6.54 in 16.6 cm 166 mm 0.54 ft |
10.2 in 25.9 cm 259 mm 0.85 ft |
| Case Weight with Stand | 5.4 kg 12 lbs |
|
| Case Color | Black | |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x USB 3.0 (upstream) 1 x HDMI 1.4 1 x DisplayPort 1.2 2 x USB 2.0 (downstream) 2 x USB 3.0 (downstream) |
1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x DVI-D Dual Link 1 x D-sub |
| Audio | ||
| Audio Speakers | 2 x 1W | |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light |
HDCP (High-bandwidth Digital Content Protection) DDC/CI Flicker-free technology |
| Extra Features | Security lock slot | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 21.17 in 53.8 cm 537.8 mm 1.76 ft |
21.98 in 55.8 cm 558.4 mm 1.83 ft |
| Case Height | 12.68 in 32.2 cm 322.1 mm 1.06 ft |
14.59 in 37.1 cm 370.5 mm 1.22 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 200 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | Yes |
| Height Adjustment Range | 130 mm 13 cm 5.1181 in 0.4265 ft |
130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 90 ° | 0 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 45 ° | 180 ° |
| Right Swivel | 45 ° | 180 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 35 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 56 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 83 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable USB Type-C cable |
Audio cable DVI-D cable Mini-PC Kit - optional |
| Certificates and Standards | ||
| Licenses | ENERGY STAR EPEAT RoHS TCO Certified Display |
BSMI CCC CE ENERGY STAR 7.0 ErP FCC Class B TCO Certified Displays 7.0 TÜV/Ergonomics TÜV/GS UL/cUL |
| 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 | 10 % - 90 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 10 % - 90 % | 5 % - 85 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell P2421D | LG 24BK55WD |
