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| General Info | ||
|---|---|---|
| Model Number | Dell UltraSharp U3818DW | Acer Predator XB1 XB271HU |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2017 | 2015 |
| Brand | Dell | Acer |
| Model Number | UltraSharp U3818DW | Predator XB1 XB271HU |
| Alias | XB271HUbmiprz | |
| Display | ||
| Screen Size Class | 38" (inches) | 27" (inches) |
| Diagonal Size | 37.5 in 95.3 cm 952.5 mm 3.13 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Screen Width | 34.63 in 88 cm 879.67 mm 2.89 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
| Screen Height | 14.43 in 36.7 cm 366.53 mm 1.2 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Display Curvature | 2300 | |
| Display Manufacturer | LG Display | AU Optronics |
| Display Type | AH-IPS | AHVA IPS |
| Display Bit Depth | 10 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | No | Yes |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 16:9 | |
| Screen Resolution | 3840 x 1600 | 2560 x 1440 |
| Screen Pixel Pitch | 0.229 mm | 0.233 mm |
| Screen Pixel Density | 111 ppi | 109 ppi |
| Screen-to-Body Ratio | 90.89 % | 88.89 % |
| Backlight Source | W-LED | W-LED |
| DCI P3 | 78.1% | |
| sRGB | 99 % | 100 % |
| NTSC 1953 | 72 % | |
| Screen Brightness | 350 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 25 ms | 5 ms |
| Display Minimum Response Time | 5 ms | 4 ms |
| Display Average Response Time | 8 ms | 12 ms |
| Display Maximum Response Time | 20 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.19 in 5.6 cm 55.5 mm 0.18 ft |
2.4 in 6.1 cm 61 mm 0.2 ft |
| Case Weight | 9.05 kg 20 lbs |
4.6 kg 10 lbs |
| Case Width with Stand | 35.2 in 89.4 cm 894 mm 2.93 ft |
24.17 in 61.4 cm 614 mm 2.01 ft |
| Case Height with Stand | 17.01 in 43.2 cm 432 mm 1.42 ft |
15.8 in 40.1 cm 401.3 mm 1.32 ft |
| Case Depth with Stand | 8.91 in 22.6 cm 226.4 mm 0.74 ft |
10.55 in 26.8 cm 268 mm 0.88 ft |
| Case Weight with Stand | 12.14 kg 27 lbs |
7 kg 15 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 2 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (Type-C) |
1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
| Audio | ||
| Audio Speakers | 2 x 9W | 2 x 2W |
| Features | ||
| Cool Features | Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture |
Flicker-free technology Nvidia G-SYNC Technology |
| Extra Features | Security lock slot | |
| Ergonomics | ||
| Case Width | 35.2 in 89.4 cm 894 mm 2.93 ft |
24.17 in 61.4 cm 614 mm 2.01 ft |
| Case Height | 15.62 in 39.7 cm 396.8 mm 1.3 ft |
14.45 in 36.7 cm 367 mm 1.2 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 | 115 mm 11.5 cm 4.5276 in 0.3773 ft |
150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | Yes | Yes |
| Left Swivel | 30 ° | 30 ° |
| Right Swivel | 30 ° | 30 ° |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 21 ° | 35 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 60 Hz | 165 Hz |
| Accessories | ||
| Extras | DisplayPort cable Factory Calibration Report HDMI cable USB 3.0 upstream cable USB Type-C cable |
DisplayPort cable HDMI cable USB 3.0 cable |
| Certificates and Standards | ||
| Licenses | CECP CEL ENERGY STAR RoHS Compliant TCO Certified Displays |
ENERGY STAR ErP TCO Certified Displays 6.0 |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
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| Safe Operating Humidity Level | 10 % - 80 % | |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
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| Internal Storage Humidity | 5 % - 90 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell UltraSharp U3818DW | Acer Predator XB1 XB271HU |
