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| General Info | ||
|---|---|---|
| Model Number | Samsung U28R55 | Acer EB321HQU Dbmidphx |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2017 | 2019 |
| Brand | Samsung | Acer |
| Model Series | UR55 | |
| Model Number | U28R55 | EB321HQU Dbmidphx |
| Alias | U28R550 U28R55U0 |
EB321HQU D EB321HQUD EB321HQUDbmidphx |
| Display | ||
| Screen Size Class | 28" (inches) | 32" (inches) |
| Diagonal Size | 28 in 71.1 cm 711.2 mm 2.33 ft |
31.54 in 80.1 cm 801 mm 2.63 ft |
| Screen Width | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
27.48 in 69.8 cm 698.11 mm 2.29 ft |
| Screen Height | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
15.46 in 39.3 cm 392.68 mm 1.29 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 10 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | Yes | |
| 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 | 0.16 mm | 0.273 mm |
| Screen Pixel Density | 157 ppi | 93 ppi |
| Screen-to-Body Ratio | 88.7 % | 89.19 % |
| Backlight Source | W-LED | W-LED |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1200 : 1 |
| Dynamic Screen Contrast | 100000000 : 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) | 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 |
1.95 in 5 cm 49.53 mm 0.16 ft |
| Case Weight | 5 kg 11 lbs |
5.81 kg 13 lbs |
| Case Width with Stand | 25.15 in 63.9 cm 638.8 mm 2.1 ft |
28.58 in 72.6 cm 725.93 mm 2.38 ft |
| Case Height with Stand | 18.87 in 47.9 cm 479.3 mm 1.57 ft |
17.99 in 45.7 cm 456.9 mm 1.5 ft |
| Case Depth with Stand | 9.86 in 25.1 cm 250.5 mm 0.82 ft |
10.5 in 26.7 cm 266.7 mm 0.88 ft |
| Case Weight with Stand | 5.8 kg 13 lbs |
10.12 kg 22 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 DVI-D 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2 |
| Audio | ||
| Audio Speakers | 2 x 4W | 2 x 3W |
| 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 |
DDC2B (DDC / CI) Flicker-free technology Picture-in-Picture Super Sharpness Picture-by-Picture Adaptive Contrast Management (ACM) Blue Light Filter |
| Ergonomics | ||
| Case Width | 25.15 in 63.9 cm 638.8 mm 2.1 ft |
28.58 in 72.6 cm 725.93 mm 2.38 ft |
| Case Height | 14.72 in 37.4 cm 374 mm 1.23 ft |
16.67 in 42.3 cm 423.42 mm 1.39 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 | 140 mm 14 cm 5.5118 in 0.4593 ft |
|
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 60 ° | |
| Right Swivel | 60 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 2 ° | 5 ° |
| Backward Tilt | 15 ° | 25 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 40 Hz - 60 Hz | 50 Hz - 75 Hz |
| Horizontal Digital Frequency | 30 kHz - 100 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 CTUVus FCC J-Moss MPR II RoHS VCCI-B |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 10 °C - 40 °C 50 °F - 104 °F |
|
| Safe Operating Humidity Level | 10 % - 80 % | |
| Samsung U28R55 | Acer EB321HQU Dbmidphx |
