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| General Info | ||
|---|---|---|
| Model Number | Samsung U28D590D | Dell P2421D |
|
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2014 | 2020 |
| Brand | Samsung | Dell |
| Model Number | U28D590D | P2421D |
| Alias | LU28D590DS/ZA | |
| Display | ||
| Screen Size Class | 28" (inches) | 24" (inches) |
| Diagonal Size | 28 in 71.1 cm 711.2 mm 2.33 ft |
23.78 in 60.4 cm 604 mm 1.98 ft |
| Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
20.74 in 52.7 cm 526.85 mm 1.73 ft |
| Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
11.67 in 29.6 cm 296.35 mm 0.97 ft |
| Display Manufacturer | Innolux | |
| Display Type | TN | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 2560 x 1440 |
| Screen Pixel Pitch | 0.16 mm | 0.206 mm |
| Screen Pixel Density | 157 ppi | 123 ppi |
| Screen-to-Body Ratio | 78.2 % | 90.13 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| NTSC 1953 | 72 % | |
| Screen Brightness | 370 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 170 ° | 178 ° |
| Screen Vertical Viewing Angle | 160 ° | 178 ° |
| Screen Input Lag | 39 ms | |
| Display Minimum Response Time | 1 ms | 5 ms |
| Display Average Response Time | 7 ms | 8 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | Dolby Vision HDR10 HLG (Hybrid Log Gamma) |
|
| 3D | No | |
| Size, weight, color | ||
| Case Depth | 2.55 in 6.5 cm 64.7 mm 0.21 ft |
1.68 in 4.3 cm 42.7 mm 0.14 ft |
| Case Weight | 5.04 kg 11 lbs |
3.37 kg 7 lbs |
| Case Width with Stand | 26.02 in 66.1 cm 660.9 mm 2.17 ft |
21.17 in 53.8 cm 537.8 mm 1.76 ft |
| Case Height with Stand | 19.15 in 48.6 cm 486.3 mm 1.6 ft |
14.02 in 35.6 cm 356.1 mm 1.17 ft |
| Case Depth with Stand | 6.67 in 16.9 cm 169.4 mm 0.56 ft |
6.54 in 16.6 cm 166 mm 0.54 ft |
| Case Weight with Stand | 5.65 kg 12 lbs |
|
| Case Color | Black | |
| Hardware | ||
| System on Chip or SoC | MediaTek MT5893 | |
| CPU | ARM Cortex-A73 | |
| CPU Cores | 4 | |
| CPU Frequency | 1500 | |
| GPU | ARM Mali-G71 | |
| RAM Memory Size | 3 | |
| Internal Storage | 16 | |
| TV Tuner | Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2 |
|
| Built-in Camera | No | No |
| Network | LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Wi-Fi Direct DLNA Bluetooth 4.2 |
|
| Connectivity | 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2 |
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) |
| Audio | ||
| Features | ||
| OS | Android 8.0 Oreo Android 9.0 Pie |
|
| Cool Features | MagicAngle Picture-by-Picture Samsung MagicBright3 UHD Upscale Picture-in-Picture Eco Saving Flicker-free technology |
Flicker-free technology Low Blue Light |
| Extra Features | Security lock slot | |
| Ergonomics | ||
| Case Width | 26.02 in 66.1 cm 660.9 mm 2.17 ft |
21.17 in 53.8 cm 537.8 mm 1.76 ft |
| Case Height | 16.14 in 41 cm 410 mm 1.35 ft |
12.68 in 32.2 cm 322.1 mm 1.06 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 75 x 75 | 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 | 1 ° | 5 ° |
| Backward Tilt | 15 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 24 Hz - 75 Hz | 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 134 kHz | |
| Screen Interpolation Technology | Motionflow XR | |
| Screen Interpolation Value | 1000 | |
| Screen Interpolation Measurement Unit | XR | NULL |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable |
DisplayPort cable USB Type-C cable |
| Certificates and Standards | ||
| Licenses | ISO9241-307 TÜV/Ergonomics |
ENERGY STAR EPEAT RoHS TCO Certified Display |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 10 °C - 40 °C 50 °F - 104 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 90 % |
| Internal Storage Temperature | -20 °C - 45 °C -4 °F - 113 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 95 % | 10 % - 90 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Samsung U28D590D | Dell P2421D |
