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| General Info | ||
|---|---|---|
| Model Number | LG 27UL550 | Acer XB271HK |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2015 |
| Brand | LG | Acer |
| Model Number | 27UL550 | XB271HK |
| Alias | 27UL550-W | XB271HK bmiprz |
| Display | ||
| Screen Size Class | 27" (inches) | 27" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
23.47 in 59.6 cm 596.16 mm 1.96 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
13.2 in 33.5 cm 335.34 mm 1.1 ft |
| Display Manufacturer | AU Optronics | |
| Display Type | IPS | AHVA IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits |
| Frame Rate Control | Yes | No |
| 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 | 0.155 mm |
| Screen Pixel Density | 163 ppi | 163 ppi |
| Screen-to-Body Ratio | 86.66 % | 88.3 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 98 % | 100 % |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 4 ms | |
| Display Minimum Response Time | 5 ms | 4 ms |
| Display Average Response Time | 8 ms | |
| Display Maximum Response Time | 12 ms | |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.81 in 4.6 cm 46 mm 0.15 ft |
2.4 in 6.1 cm 61 mm 0.2 ft |
| Case Weight | 4.4 kg 10 lbs |
4.6 kg 10 lbs |
| Case Width with Stand | 24.53 in 62.3 cm 623 mm 2.04 ft |
24.2 in 61.5 cm 614.7 mm 2.02 ft |
| Case Height with Stand | 18.19 in 46.2 cm 462 mm 1.52 ft |
15.8 in 40.1 cm 401.3 mm 1.32 ft |
| Case Depth with Stand | 9.06 in 23 cm 230 mm 0.75 ft |
10.57 in 26.8 cm 268.4 mm 0.88 ft |
| Case Weight with Stand | 6 kg 13 lbs |
7 kg 15 lbs |
| Case Color | White, Gray | Black |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4 |
1 x HDMI 1.4 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
| Audio | ||
| Audio Speakers | 2 x 2W | |
| Features | ||
| Cool Features | Black Stabilizer Blue Light Filter Dynamic Action Sync HDCP (High-bandwidth Digital Content Protection) 2.2 Flicker-free technology DDC/CI 6-Axis Control Super Resolution+ AMD FreeSync technology |
Flicker-free technology Nvidia G-SYNC Technology |
| Extra Features | Anti-theft stand lock slot - Kensington | |
| Ergonomics | ||
| Case Width | 24.53 in 62.3 cm 623 mm 2.04 ft |
24.2 in 61.5 cm 614.7 mm 2.02 ft |
| Case Height | 14.61 in 37.1 cm 371 mm 1.22 ft |
14.5 in 36.8 cm 368.3 mm 1.21 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 | 110 mm 11 cm 4.3307 in 0.3609 ft |
150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 90 ° | 90 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 30 ° | |
| Right Swivel | 30 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 15 ° | 35 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 40 Hz - 61 Hz | 60 Hz |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable |
DisplayPort cable HDMI cable USB 3.0 cable |
| Certificates and Standards | ||
| Licenses | C-Tick CCC CECP CEL cUL ENERGY STAR 7.0 Epeat Gold ErP FCC Class B KC RoHS Compliant TÜV/GS VCCI |
ENERGY STAR ErP TCO Certified Displays 6.0 |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 5 °C - 35 °C 41 °F - 95 °F |
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| Safe Operating Humidity Level | 10 % - 85 % |
| LG 27UL550 | Acer XB271HK |
