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General Info | ||
---|---|---|
Model Number | Dell S2721D | ViewSonic VX2780-4K-HD-5 |
Price | ||
Type | Monitor | Monitor |
Year | 2020 | 2019 |
Brand | Dell | ViewSonic |
Model Number | S2721D | VX2780-4K-HD-5 |
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 |
23.49 in 59.7 cm 596.74 mm 1.96 ft |
Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
Display Type | IPS | AH-IPS |
Display Bit Depth | 8 bits | 10 bits (8 bits + FRC) |
Frame Rate Control | Yes | |
Max Number of Colors | 16777216 | 1073741824 |
Bits | 24 | 30 |
Screen Aspect Ratio | 16:9 | 16:9 |
Screen Resolution | 2560 x 1440 | 3840 x 2160 |
Screen Pixel Pitch | 0.233 mm | 0.155 mm |
Screen Pixel Density | 109 ppi | 163 ppi |
Screen-to-Body Ratio | 89.83 % | 88.48 % |
Backlight Source | W-LED | W-LED |
sRGB | 99 % | 158 % |
Adobe RGB 1998 | 100 % | |
Screen Brightness | 320 cd/m² | 350 cd/m² |
Static Screen Contrast | 1000 : 1 | 1000 : 1 |
Dynamic Screen Contrast | 80000000 : 1 | |
Screen Horizontal Viewing Angle | 178 ° | 178 ° |
Screen Vertical Viewing Angle | 178 ° | 178 ° |
Screen Input Lag | 10 ms | |
Display Minimum Response Time | 4 ms | 4 ms |
Display Average Response Time | 8 ms | |
Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
3D | No | No |
Size, weight, color | ||
Case Depth | 2.18 in 5.5 cm 55.4 mm 0.18 ft |
1.84 in 4.7 cm 46.8 mm 0.15 ft |
Case Weight | 4.4 kg 10 lbs |
5 kg 11 lbs |
Case Width with Stand | 24.08 in 61.2 cm 611.6 mm 2.01 ft |
24.29 in 61.7 cm 617 mm 2.02 ft |
Case Height with Stand | 17.85 in 45.3 cm 453.4 mm 1.49 ft |
16.61 in 42.2 cm 422 mm 1.38 ft |
Case Depth with Stand | 7.35 in 18.7 cm 186.8 mm 0.61 ft |
7.28 in 18.5 cm 185 mm 0.61 ft |
Case Weight with Stand | 5.4 kg 12 lbs |
7.15 kg 16 lbs |
Case Color | Silver | Black |
Hardware | ||
Built-in Camera | No | No |
Connectivity | 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2 |
1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2 |
Audio | ||
Audio Speakers | 2 x 3W | |
Features | ||
Cool Features | Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
Flicker-free technology AMD FreeSync technology Blue Light Filter |
Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
Ergonomics | ||
Case Width | 24.08 in 61.2 cm 611.6 mm 2.01 ft |
24.29 in 61.7 cm 617 mm 2.02 ft |
Case Height | 14.35 in 36.5 cm 364.6 mm 1.2 ft |
14.44 in 36.7 cm 366.9 mm 1.2 ft |
Vesa Mount Support | Yes | Yes |
VESA Interface Standard Size | 100 x 100 | 100 x 100 |
Removable VESA Stand | Yes | Yes |
Height Adjustment | No | Yes |
Height Adjustment Range | 130 mm 13 cm 5.1181 in 0.4265 ft |
|
Landscape or Portrait Pivot Support | No | Yes |
Left Pivot | 0 ° | |
Right Pivot | 90 ° | |
Left or Right Swivel Support | No | Yes |
Left Swivel | 45 ° | |
Right Swivel | 45 ° | |
Forward and Backward Tilt Support | Yes | Yes |
Forward Tilt | 5 ° | 5 ° |
Backward Tilt | 21 ° | 22 ° |
Frequency and Interpolation | ||
Vertical Digital Frequency | 48 Hz - 75 Hz | 40 Hz - 75 Hz |
Horizontal Digital Frequency | 30 kHz - 115 kHz | 15 kHz - 160 kHz |
Screen Interpolation Measurement Unit | NULL | NULL |
Accessories | ||
Extras | HDMI cable | HDMI cable |
Certificates and Standards | ||
Licenses | ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
CCC CEL Level 3 China RoHS |
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 | 10 % - 80 % | 20 % - 90 % |
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 % - 90 % |
Max Operating Altitude | 5000 | 5000 |
Max Storage Altitude | 12192 | 12192 |
Dell S2721D | ViewSonic VX2780-4K-HD-5 |