Comparison between Dell S2716DG vs Dell S2721D

General Info
Model Number	Dell S2716DG	Dell S2721D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2015	2020
Brand	Dell	Dell
Model Number	S2716DG	S2721D
Alias	S2716DGR
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.21 in 33.6 cm 335.66 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer	AU Optronics
Display Type	TN	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	2560 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	90.21 %	89.83 %
Backlight Source	W-LED	W-LED
sRGB	99 %	99 %
NTSC 1953	72 %
Screen Brightness	350 cd/m²	320 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	160 °	178 °
Screen Vertical Viewing Angle	170 °	178 °
Screen Input Lag	4.5 ms	10 ms
Display Minimum Response Time	1 ms	4 ms
Display Average Response Time	3 ms	8 ms
Display Maximum Response Time	5 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.19 in 5.6 cm 55.6 mm 0.18 ft	2.18 in 5.5 cm 55.4 mm 0.18 ft
Case Weight	4.4 kg 10 lbs	4.4 kg 10 lbs
Case Width with Stand	24.11 in 61.3 cm 612.5 mm 2.01 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height with Stand	16.39 in 41.6 cm 416.3 mm 1.37 ft	17.85 in 45.3 cm 453.4 mm 1.49 ft
Case Depth with Stand	7.89 in 20 cm 200.3 mm 0.66 ft	7.35 in 18.7 cm 186.8 mm 0.61 ft
Case Weight with Stand	7.2 kg 16 lbs	5.4 kg 12 lbs
Case Color	Black	Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2
Audio
Audio Speakers		2 x 3W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Nvidia G-SYNC Technology	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.11 in 61.3 cm 612.5 mm 2.01 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height	14.27 in 36.3 cm 362.5 mm 1.19 ft	14.35 in 36.5 cm 364.6 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	Yes	No
Height Adjustment Range	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	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	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 145 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	69.7 kHz - 250.6 kHz	30 kHz - 115 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable USB 3.0 upstream cable	HDMI cable
Certificates and Standards
Licenses	CECP ENERGY STAR 6 Epeat Silver RoHS compliant TCO Certified Displays	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light
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 %	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	5000	5000
Max Storage Altitude	12191	12192

Dell S2716DG

Dell S2721D