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| General Info | ||
|---|---|---|
| Model Number | HP U28 4K HDR | HP DreamColor Z27x |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2014 |
| Brand | HP | HP |
| Model Number | U28 4K HDR | DreamColor Z27x |
| Alias | 1Z978AA | D7R00A8 |
| Display | ||
| Screen Size Class | 28" (inches) | 27" (inches) |
| Diagonal Size | 27.9 in 70.9 cm 708.538 mm 2.32 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
| Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Display Manufacturer | LG Display | |
| Display Type | IPS | AH-IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | Yes |
| Lut | 14 bits | |
| Max Number of Colors | 1073741824 | 1073741824 |
| Bits | 30 | 30 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 3840 x 2160 | 2560 x 1440 |
| Screen Pixel Pitch | 0.116 mm | 0.233 mm |
| Screen Pixel Density | 157 ppi | 109 ppi |
| Screen-to-Body Ratio | 89.61 % | 82.41 % |
| Backlight Source | W-LED | GB-r LED |
| DCI P3 | 93% | 99% |
| Rec.2020 | 68 | |
| sRGB | 100 % | 100 % |
| Adobe RGB 1998 | 100 % | |
| Screen Brightness | 400 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 800 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 20 ms | |
| Display Minimum Response Time | 4 ms | 7 ms |
| Display Average Response Time | 16 ms | |
| Display Maximum Response Time | 24 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte |
| HDR | HDR | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.71 in 4.3 cm 43.4 mm 0.14 ft |
2.58 in 6.6 cm 65.5 mm 0.21 ft |
| Case Weight | 6.4 kg 14 lbs |
|
| Case Width with Stand | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
25.24 in 64.1 cm 641 mm 2.1 ft |
| Case Height with Stand | 20.92 in 53.1 cm 531.4 mm 1.74 ft |
16.55 in 42 cm 420.4 mm 1.38 ft |
| Case Depth with Stand | 7.48 in 19 cm 189.9 mm 0.62 ft |
9.54 in 24.2 cm 242.4 mm 0.8 ft |
| Case Weight with Stand | 6.35 kg 14 lbs |
8.8 kg 19 lbs |
| Case Color | Black | Black |
| Hardware | ||
| Internal Storage | 8 | |
| Built-in Camera | No | No |
| Network | LAN | |
| Connectivity | 1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x USB (Type-C; upstream; 65W; DP Alt Mode) 3 x USB 3.2 (Type-A; Gen 1; downstream) |
1 x USB 3.0 (upstream) 1 x Ethernet RJ45 2 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x S/PDIF 1 x HDMI 1.4 2 x USB 2.0 (downstream) 4 x USB 3.0 (downstream) |
| Audio | ||
| Audio Speakers | 2 x 3W | |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light |
Picture-by-Picture Picture-in-Picture DDC/CI HDCP (High-bandwidth Digital Content Protection) |
| Extra Features | Security lock slot | Security lock slot |
| Ergonomics | ||
| Case Width | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
25.24 in 64.1 cm 641 mm 2.1 ft |
| Case Height | 14.61 in 37.1 cm 371.2 mm 1.22 ft |
14.93 in 37.9 cm 379.2 mm 1.24 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 | 120 mm 12 cm 4.7244 in 0.3937 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 ° | |
| Right Swivel | 45 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 23 ° | 20 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 23 Hz - 75 Hz | 24 Hz - 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 140 kHz | 24 kHz - 113 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable USB Type-C cable |
DisplayPort cable DisplayPort cable - mini-DP to DP HDMI cable USB 3.0 cable |
| Certificates and Standards | ||
| Licenses | Australian-New Zealand MEPS BSMI CB CCC CE CECP CEL EAC ENERGY STAR FCC ISO 9241-307 KC/KCC NOM PSB SEPA TCO Certified TUV-S UL/CSA VCCI Vietnam MEPS WEEE ISC WW application ICE |
BSMI C-Tick CB CCC CE CEL EAC ENERGY STAR EPA FCC Class B ICE ISC KC KCC NOM PSB SEPA TÜV/S VCCI-B WHQL (Windows 8; Windows 7) |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 5 °C - 35 °C 41 °F - 95 °F |
5 °C - 35 °C 41 °F - 95 °F |
| Safe Operating Humidity Level | 20 % - 80 % | 20 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
| Internal Storage Humidity | 5 % - 95 % | |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| HP U28 4K HDR | HP DreamColor Z27x |
