Comparison between ViewSonic VP2780-4K vs Dell S2721DGF

General Info
Model Number	ViewSonic VP2780-4K	Dell S2721DGF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2015	2020
Brand	ViewSonic	Dell
Model Number	VP2780-4K	S2721DGF
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.9 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	23.47 in 59.6 cm 596.16 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.2 in 33.5 cm 335.34 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer	LG Display
Display Type	AH-IPS	IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits
Frame Rate Control	Yes
Lut	3D LUT 14 bits
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	0.155 mm	0.233 mm
Screen Pixel Density	163 ppi	109 ppi
Screen-to-Body Ratio	81.49 %	90.07 %
Backlight Source	W-LED	W-LED
DCI P3		98%
sRGB	100 %
Adobe RGB 1998	78.05 %
NTSC 1953	75.06 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	20000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	15 ms
Display Minimum Response Time	4.6 ms	1 ms
Display Average Response Time	14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	2.2 in 5.6 cm 56 mm 0.18 ft	2.67 in 6.8 cm 67.8 mm 0.22 ft
Case Weight	5.36 kg 12 lbs	4.5 kg 10 lbs
Case Width with Stand	25.3 in 64.3 cm 642.7 mm 2.11 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height with Stand	18.49 in 47 cm 469.7 mm 1.54 ft	15.51 in 39.4 cm 393.9 mm 1.29 ft
Case Depth with Stand	13.69 in 34.8 cm 347.8 mm 1.14 ft	7.89 in 20 cm 200.3 mm 0.66 ft
Case Weight with Stand	8.36 kg 18 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 1.4 (MHL) 1 x HDMI 2.0 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x 3.5 mm Audio In 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x 3.5 mm Audio In 4 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream)
Audio
Features
Cool Features	Colour Space Convertor EcoModes Picture-by-Picture Picture-in-Picture Flicker-free technology Blue Light Filter CAD/CAM mode	Low Blue Light NVIDIA G-SYNC Compatible RGB lights AMD FreeSync Premium Pro Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	25.3 in 64.3 cm 642.7 mm 2.11 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height	15.03 in 38.2 cm 381.7 mm 1.25 ft	14.31 in 36.4 cm 363.6 mm 1.19 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	150 mm 15 cm 5.9055 in 0.4921 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	Yes
Left Swivel	60 °	45 °
Right Swivel	60 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	23 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 120 Hz	30 Hz - 165 Hz
Horizontal Digital Frequency	15 kHz - 204 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	HDMI cable	DisplayPort cable HDMI cable USB 3.0 cable
Certificates and Standards
Licenses	CB CE CCC EAC / CU ENERGY STAR 6.0 ErP FCC class B ICES-003 RoHS2 TCO Certified Displays 6.0 WEEE	ENERGY STAR EPEAT TCO Certified 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	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 % - 90 %
Max Operating Altitude	3048	5000
Max Storage Altitude	12192	12192

ViewSonic VP2780-4K

Dell S2721DGF