Comparison between Dell S2716DG vs Dell S2421HN

General Info
Model Number	Dell S2716DG	Dell S2421HN

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2015	2020
Brand	Dell	Dell
Model Number	S2716DG	S2421HN
Alias	S2716DGR	S2421NX
Display
Screen Size Class	27" (inches)	24" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	23.8 in 60.4 cm 604.478 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	13.21 in 33.6 cm 335.66 mm 1.1 ft	11.67 in 29.6 cm 296.46 mm 0.97 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	1920 x 1080
Screen Pixel Pitch	0.233 mm	0.275 mm
Screen Pixel Density	109 ppi	92 ppi
Screen-to-Body Ratio	90.21 %	90.06 %
Backlight Source	W-LED	W-LED
sRGB	99 %
NTSC 1953	72 %	72 %
Screen Brightness	350 cd/m²	250 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
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	2.12 in 5.4 cm 53.8 mm 0.18 ft
Case Weight	4.4 kg 10 lbs	3.3 kg 7 lbs
Case Width with Stand	24.11 in 61.3 cm 612.5 mm 2.01 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	16.39 in 41.6 cm 416.3 mm 1.37 ft	16.25 in 41.3 cm 412.8 mm 1.35 ft
Case Depth with Stand	7.89 in 20 cm 200.3 mm 0.66 ft	6.02 in 15.3 cm 152.8 mm 0.5 ft
Case Weight with Stand	7.2 kg 16 lbs	4.1 kg 9 lbs
Case Color	Black	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)	2 x HDMI 1.4 1 x 3.5 mm Audio Out
Audio
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 S2421HN - silver S2421NX - black
Ergonomics
Case Width	24.11 in 61.3 cm 612.5 mm 2.01 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	14.27 in 36.3 cm 362.5 mm 1.19 ft	12.7 in 32.3 cm 322.6 mm 1.06 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 - 83 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 S2421HN