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| General Info | ||
|---|---|---|
| Model Number | Samsung U28R55 | AOC Q27V4 |
|
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2017 | 2020 |
| Brand | Samsung | AOC |
| Model Series | UR55 | |
| Model Number | U28R55 | Q27V4 |
| Alias | U28R550 U28R55U0 |
|
| Display | ||
| Screen Size Class | 28" (inches) | 27" (inches) |
| Diagonal Size | 28 in 71.1 cm 711.2 mm 2.33 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 |
23.53 in 59.8 cm 597.736 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 Type | IPS | IPS |
| Display Bit Depth | 10 bits | 8 bits |
| 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 | 0.233 mm |
| Screen Pixel Density | 157 ppi | 108 ppi |
| Screen-to-Body Ratio | 88.7 % | 89.77 % |
| Backlight Source | W-LED | W-LED |
| Screen Brightness | 300 cd/m² | 250 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 20000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | 4 ms |
| Display Coating | Anti-glare/Matte (3H) | |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.52 in 6.4 cm 64 mm 0.21 ft |
1.82 in 4.6 cm 46.3 mm 0.15 ft |
| Case Weight | 5 kg 11 lbs |
3.69 kg 8 lbs |
| Case Width with Stand | 25.15 in 63.9 cm 638.8 mm 2.1 ft |
24.16 in 61.4 cm 613.7 mm 2.01 ft |
| Case Height with Stand | 18.87 in 47.9 cm 479.3 mm 1.57 ft |
16.85 in 42.8 cm 428 mm 1.4 ft |
| Case Depth with Stand | 9.86 in 25.1 cm 250.5 mm 0.82 ft |
8.46 in 21.5 cm 214.9 mm 0.71 ft |
| Case Weight with Stand | 5.8 kg 13 lbs |
4.77 kg 10 lbs |
| Case Color | Dark Blue Gray | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2 |
1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2 |
| Audio | ||
| Audio Speakers | 2 x 4W | |
| Features | ||
| Cool Features | Samsung MagicUpscale Eco Saving Plus Off Timer Plus Flicker Free Picture-by-Picture Picture-in-Picture Eye Saver Mode AMD Radeon FreeSync Technology Image Size Samsung MagicBright Easy Setting Box |
Dynamic Colour Boost (DCB) technology Dynamic Contrast Ratio (DCR) technology HDR Mode Low Blue Light Flicker-free technology Clear Vision DDC2B/CI |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 25.15 in 63.9 cm 638.8 mm 2.1 ft |
24.16 in 61.4 cm 613.7 mm 2.01 ft |
| Case Height | 14.72 in 37.4 cm 374 mm 1.23 ft |
14.34 in 36.4 cm 364.2 mm 1.19 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 | 80 mm 8 cm 3.1496 in 0.2625 ft |
|
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 2 ° | 5 ° |
| Backward Tilt | 15 ° | 23 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 40 Hz - 60 Hz | 48 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 114 kHz | |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | HDMI cable | |
| Certificates and Standards | ||
| Licenses | Windows 10 Certification TÜV Rheinland Eye Comfort 2.0 Certification |
CCC CE CECP CEL CH RoHS cTUVus FCC RoHS ISO 9241-307 Win10 |
| 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 % - 85 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
|
| Internal Storage Humidity | 5 % - 90 % | |
| Max Operating Altitude | 3657.6 | |
| Max Storage Altitude | 12192 |
| Samsung U28R55 | AOC Q27V4 |
