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| General Info | ||
|---|---|---|
| Model Number | LG UltraFine 4K 24MD4KL | Dell U2421HE |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2020 |
| Brand | LG | Dell |
| Model Number | UltraFine 4K 24MD4KL | U2421HE |
| Alias | 24MD4KL-B | |
| Display | ||
| Screen Size Class | 24" (inches) | 24" (inches) |
| Diagonal Size | 23.7 in 60.2 cm 602 mm 1.98 ft |
23.81 in 60.5 cm 604.7 mm 1.98 ft |
| Screen Width | 20.66 in 52.5 cm 524.688 mm 1.72 ft |
20.75 in 52.7 cm 527.04 mm 1.73 ft |
| Screen Height | 11.62 in 29.5 cm 295.137 mm 0.97 ft |
11.67 in 29.6 cm 296.46 mm 0.97 ft |
| Display Manufacturer | LG Display | |
| Display Type | AH-IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 8 bits |
| Frame Rate Control | Yes | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 1920 x 1080 |
| Screen Pixel Pitch | 0.137 mm | 0.275 mm |
| Screen Pixel Density | 186 ppi | 92 ppi |
| Screen-to-Body Ratio | 84.95 % | 92.49 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 98% | 89% |
| sRGB | 99 % | |
| Screen Brightness | 540 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1200 : 1 | 1000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 5 ms | |
| Display Average Response Time | 14 ms | 8 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2 in 5.1 cm 50.8 mm 0.17 ft |
1.54 in 3.9 cm 39 mm 0.13 ft |
| Case Weight | 5.2 kg 11 lbs |
3.37 kg 7 lbs |
| Case Width with Stand | 21.9 in 55.6 cm 556.3 mm 1.83 ft |
21.2 in 53.9 cm 538.5 mm 1.77 ft |
| Case Height with Stand | 16.5 in 41.9 cm 419.1 mm 1.38 ft |
13.72 in 34.8 cm 348.4 mm 1.14 ft |
| Case Depth with Stand | 12.2 in 31 cm 309.9 mm 1.02 ft |
6.5 in 16.5 cm 165 mm 0.54 ft |
| Case Weight with Stand | 7 kg 15 lbs |
5.32 kg 12 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 3 x USB 3.0 (Type-C) 2 x Thunderbolt (85 W) |
1 x USB 3.1 (Type-C; upstream; DP; 65W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.0 (downstream) 2 x USB 3.0 (downstream; BC 1.2) |
| Audio | ||
| Audio Speakers | 2 x 5W | |
| Features | ||
| Cool Features | Nano IPS Wide Color Gamut Flicker-free technology HDCP (High-bandwidth Digital Content Protection) |
Flicker-free technology Low Blue Light |
| Extra Features | Security lock slot | |
| Ergonomics | ||
| Case Width | 21.9 in 55.6 cm 556.3 mm 1.83 ft |
21.2 in 53.9 cm 538.5 mm 1.77 ft |
| Case Height | 12.9 in 32.8 cm 327.7 mm 1.08 ft |
12.35 in 31.4 cm 313.7 mm 1.03 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 | 110 mm 11 cm 4.3307 in 0.3609 ft |
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 | 40 ° | |
| Right Swivel | 40 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 2 ° | 5 ° |
| Backward Tilt | 25 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 60 Hz | 56 Hz - 76 Hz |
| Horizontal Digital Frequency | 30 kHz - 135 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | Thunderbolt cable USB Type-C cable |
DisplayPort cable USB Type-C to Type-C cable |
| Certificates and Standards | ||
| Licenses | BSMI CCC CE ENERGY STAR FCC Class B UL/cUL |
ENERGY STAR EPEAT TCO Certified RoHS NFPA 99 |
| 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 % - 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 % - 85 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| LG UltraFine 4K 24MD4KL | Dell U2421HE |
