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| General Info | ||
|---|---|---|
| Model Number | ViewSonic VX2780-4K-HD-2 | LG 24QP550 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2019 | 2021 |
| Brand | ViewSonic | LG |
| Model Number | VX2780-4K-HD-2 | 24QP550 |
| Alias | VX2780-4K-HD-3 | 24QP550-B |
| Display | ||
| Screen Size Class | 27" (inches) | 24" (inches) |
| Diagonal Size | 27 in 68.6 cm 685.8 mm 2.25 ft |
23.78 in 60.4 cm 604 mm 1.98 ft |
| Screen Width | 23.49 in 59.7 cm 596.74 mm 1.96 ft |
20.75 in 52.7 cm 527.04 mm 1.73 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
11.67 in 29.6 cm 296.46 mm 0.97 ft |
| Display Type | IPS | IPS |
| Display Bit Depth | 10 bits | 8 bits (6 bits + FRC) |
| Frame Rate Control | Yes | |
| 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 | 0.155 mm | 0.206 mm |
| Screen Pixel Density | 163 ppi | 123 ppi |
| Screen-to-Body Ratio | 88.48 % | 90.09 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 120 % | 99 % |
| Screen Brightness | 350 cd/m² | 300 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Display Minimum Response Time | 4 ms | 5 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | DisplayHDR 400 | HDR10 |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.84 in 4.7 cm 46.8 mm 0.15 ft |
1.65 in 4.2 cm 41.9 mm 0.14 ft |
| Case Weight | 5 kg 11 lbs |
3.4 kg 7 lbs |
| Case Width with Stand | 24.29 in 61.7 cm 617 mm 2.02 ft |
21.26 in 54 cm 540.1 mm 1.77 ft |
| Case Height with Stand | 16.61 in 42.2 cm 422 mm 1.38 ft |
14.8 in 37.6 cm 376 mm 1.23 ft |
| Case Depth with Stand | 7.28 in 18.5 cm 185 mm 0.61 ft |
9.45 in 24 cm 240 mm 0.79 ft |
| Case Weight with Stand | 7.15 kg 16 lbs |
5.5 kg 12 lbs |
| Case Color | Black | Black |
| 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 2 x HDMI 2.0 1 x DisplayPort 1.4 |
| Audio | ||
| Features | ||
| Cool Features | Flicker-free technology AMD FreeSync technology Blue Light Filter |
Black Stabilizer Color Weakness Super Resolution+ Dynamic Action Sync HDR Effect Flicker-free technology Dual Controller 3-Side Virtually Borderless Design Reader Mode AMD FreeSync technology Smart Energy Saving |
| Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 24.29 in 61.7 cm 617 mm 2.02 ft |
21.26 in 54 cm 540.1 mm 1.77 ft |
| Case Height | 14.44 in 36.7 cm 366.9 mm 1.2 ft |
12.64 in 32.1 cm 321.1 mm 1.05 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 | 130 mm 13 cm 5.1181 in 0.4265 ft |
130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape or Portrait Pivot Support | Yes | Yes |
| Left Pivot | 0 ° | 90 ° |
| Right Pivot | 90 ° | 90 ° |
| Left or Right Swivel Support | Yes | No |
| Left Swivel | 45 ° | |
| Right Swivel | 45 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 20 ° | 35 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 40 Hz - 75 Hz | 56 Hz - 75 Hz |
| Horizontal Digital Frequency | 15 kHz - 160 kHz | 30 kHz - 83 kHz |
| Screen Interpolation Measurement Unit | NULL | NULL |
| Accessories | ||
| Extras | HDMI cable | |
| Certificates and Standards | ||
| Licenses | CCC CEL Level 2 China RoHS |
BSMI CCC CE cTick ENERGY STAR 6.0 ErP FCC Class B UL/cUL |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 20 % - 90 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 85 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| ViewSonic VX2780-4K-HD-2 | LG 24QP550 |
