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| General Info | ||
|---|---|---|
| Model Number | LG 27UD58 | Samsung U28R55 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2016 | 2017 |
| Brand | LG | Samsung |
| Model Series | UR55 | |
| Model Number | 27UD58 | U28R55 |
| Alias | 27UD58-B | U28R550 U28R55U0 |
| Display | ||
| Screen Size Class | 27" (inches) | 28" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
28 in 71.1 cm 711.2 mm 2.33 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
24.45 in 62.1 cm 620.928 mm 2.04 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
13.44 in 34.1 cm 341.28 mm 1.12 ft |
| Display Manufacturer | LG Display | |
| Display Type | AH-IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits |
| 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 | 3840 x 2160 |
| Screen Pixel Pitch | 0.155 mm | 0.16 mm |
| Screen Pixel Density | 163 ppi | 157 ppi |
| Screen-to-Body Ratio | 84.16 % | 88.7 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 99 % | |
| Screen Brightness | 250 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 5000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 9 ms | |
| Display Minimum Response Time | 5 ms | 4 ms |
| Display Average Response Time | 15 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.4 in 6.1 cm 61 mm 0.2 ft |
2.52 in 6.4 cm 64 mm 0.21 ft |
| Case Weight | 5 kg 11 lbs |
5 kg 11 lbs |
| Case Width with Stand | 24.92 in 63.3 cm 633 mm 2.08 ft |
25.15 in 63.9 cm 638.8 mm 2.1 ft |
| Case Height with Stand | 18.27 in 46.4 cm 464 mm 1.52 ft |
18.87 in 47.9 cm 479.3 mm 1.57 ft |
| Case Depth with Stand | 7.95 in 20.2 cm 202 mm 0.66 ft |
9.86 in 25.1 cm 250.5 mm 0.82 ft |
| Case Weight with Stand | 5.6 kg 12 lbs |
5.8 kg 13 lbs |
| Case Color | Black, White | Dark Blue Gray |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2 |
1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2 |
| Audio | ||
| Audio Speakers | 2 x 4W | |
| Features | ||
| Cool Features | DDC/CI Dynamic Action Sync HDCP (High-bandwidth Digital Content Protection) Screen Split Picture-by-Picture Flicker-free technology AMD FreeSync technology Black Stabilizer |
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 |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 24.92 in 63.3 cm 633 mm 2.08 ft |
25.15 in 63.9 cm 638.8 mm 2.1 ft |
| Case Height | 14.8 in 37.6 cm 376 mm 1.23 ft |
14.72 in 37.4 cm 374 mm 1.23 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 75 x 75 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | No | No |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 2 ° | 2 ° |
| Backward Tilt | 15 ° | 15 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 56 Hz - 61 Hz | 40 Hz - 60 Hz |
| Horizontal Digital Frequency | 30 kHz - 135 kHz | |
| Accessories | ||
| Extras | HDMI cable | |
| Certificates and Standards | ||
| Licenses | BSMI CCC CE ENERGY STAR EPEAT Gold FCC Class B UL/cUL |
Windows 10 Certification TÜV Rheinland Eye Comfort 2.0 Certification |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
10 °C - 40 °C 50 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
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| Internal Storage Humidity | 5 % - 85 % |
| LG 27UD58 | Samsung U28R55 |
