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| General Info | ||
|---|---|---|
| Model Number | Dell U2520D | Asus VG258Q |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2018 |
| Brand | Dell | Asus |
| Model Series | UltraSharp | |
| Model Number | U2520D | VG258Q |
| Alias | UltraSharp U2520D | |
| Display | ||
| Screen Size Class | 25" (inches) | 25" (inches) |
| Diagonal Size | 24.98 in 63.4 cm 634.4 mm 2.08 ft |
24.5 in 62.2 cm 622.3 mm 2.04 ft |
| Screen Width | 21.77 in 55.3 cm 552.96 mm 1.81 ft |
21.41 in 54.4 cm 543.744 mm 1.78 ft |
| Screen Height | 12.25 in 31.1 cm 311.04 mm 1.02 ft |
11.91 in 30.3 cm 302.616 mm 0.99 ft |
| Display Manufacturer | AU Optronics | |
| Display Type | IPS | TN |
| Display Bit Depth | 8 bits | 8 bits (6 bits + FRC) |
| Frame Rate Control | No | Yes |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 2560 x 1440 | 1920 x 1080 |
| Screen Pixel Pitch | 0.216 mm | 0.283 mm |
| Screen Pixel Density | 117 ppi | 89 ppi |
| Screen-to-Body Ratio | 91.23 % | 88.94 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 95% | 62% |
| sRGB | 99 % | 90 % |
| NTSC 1953 | 72 % | |
| Screen Brightness | 350 cd/m² | 400 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 170 ° |
| Screen Vertical Viewing Angle | 178 ° | 160 ° |
| Screen Input Lag | 14 ms | |
| Display Minimum Response Time | 5 ms | 1 ms |
| Display Average Response Time | 8 ms | 3 ms |
| Display Maximum Response Time | 32 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte |
| HDR | DisplayHDR 400 | HDR10 HLG (Hybrid Log Gamma) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.96 in 5 cm 49.9 mm 0.16 ft |
2.01 in 5.1 cm 51.1 mm 0.17 ft |
| Case Weight | 4.2 kg 9 lbs |
2.7 kg 6 lbs |
| Case Width with Stand | 22.35 in 56.8 cm 567.7 mm 1.86 ft |
22.15 in 56.3 cm 562.5 mm 1.85 ft |
| Case Height with Stand | 15.07 in 38.3 cm 382.9 mm 1.26 ft |
14.04 in 35.7 cm 356.6 mm 1.17 ft |
| Case Depth with Stand | 7.28 in 18.5 cm 185 mm 0.61 ft |
8.72 in 22.1 cm 221.4 mm 0.73 ft |
| Case Weight with Stand | 6.4 kg 14 lbs |
4.9 kg 11 lbs |
| Case Color | Black | Black |
| Hardware | ||
| CPU Cores | 4 | |
| CPU Frequency | 1200 | |
| GPU Cores | 2 | |
| RAM Memory Size | 1.5 | |
| Internal Storage | 4 | |
| TV Tuner | Analog (NTSC/PAL/SECAM) ATSC Clear QAM |
|
| 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 |
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| Connectivity | 1 x USB 3.0 (Type-C; 90W; DisplayPort) 1 x USB 3.0 (Type-C; Gen 1; downstream; 15W) 1 x DisplayPort 1.4 (in) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (out) 1 x HDMI 2.0 (CEC) 1 x USB 3.0 (downstream; BC 1.2 charging at 2A) 2 x USB 3.0 (Type-A; downstream) |
1 x DVI-D Dual Link 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2 |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| OS | webOS 4.0 | |
| Cool Features | Flicker-free technology Low Blue Light |
Flicker-free technology GamePlus (Crosshair/Timer/FPS Counter/Display Alignment) HDCP (High-bandwidth Digital Content Protection) Trace Free Technology Low Blue Light GameVisual 5-way OSD joystick AMD FreeSync technology |
| Extra Features | Security lock slot Anti-theft stand lock slot |
Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 22.35 in 56.8 cm 567.7 mm 1.86 ft |
22.15 in 56.3 cm 562.5 mm 1.85 ft |
| Case Height | 13.07 in 33.2 cm 332.1 mm 1.09 ft |
12.95 in 32.9 cm 328.9 mm 1.08 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 |
130 mm 13 cm 5.1181 in 0.4265 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 | 45 ° | 90 ° |
| Right Swivel | 45 ° | 90 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 33 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 40 Hz - 144 Hz |
| Horizontal Digital Frequency | 30 kHz - 160 kHz | |
| Screen Interpolation Technology | Clear Motion Rate | |
| Screen Interpolation Value | 240 | |
| Screen Interpolation Measurement Unit | NULL | CMR |
| Accessories | ||
| Extras | DisplayPort cable USB Type-C to Type-C cable USB Type-C to Type-A cable |
Audio cable DisplayPort cable - optional DVI cable - optional HDMI cable - optional |
| Certificates and Standards | ||
| Licenses | BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant TCO Certified Displays |
BSMI CB CCC CE cTick CU ENERGY STAR ErP eStandby FCC Class B J-MOSS KCC PCB PSE RCM RoHS TCO Certified Displays TÜV Low Blue Light TÜV Flicker-free UL/cUL VCCI WEEE WHQL (Windows 10; Windows 8.1; Windows 7) |
| 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 % - 90 % | 5 % - 85 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell U2520D | Asus VG258Q |
