Comparison between Dell UltraThin S2719DM vs Dell S2721QS

General Info
Model Number	Dell UltraThin S2719DM	Dell S2721QS

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2020
Brand	Dell	Dell
Model Number	UltraThin S2719DM	S2721QS
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 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.736 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	IPS
Display Bit Depth	8 bits	10 bits
Frame Rate Control	No
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	92.6 %	89.83 %
Backlight Source	W-LED	W-LED
DCI P3	85%
sRGB	99 %	99 %
Screen Brightness	400 cd/m²	350 cd/m²
Max Screen Brightness	600 cd/m²	390 cd/m²
Static Screen Contrast	1000 : 1	1300 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	10 ms
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time	8 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10 DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	1.14 in 2.9 cm 29 mm 0.1 ft	2.18 in 5.5 cm 55.4 mm 0.18 ft
Case Weight	4.5 kg 10 lbs	4.7 kg 10 lbs
Case Width with Stand	24.05 in 61.1 cm 610.9 mm 2 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height with Stand	17.82 in 45.3 cm 452.7 mm 1.49 ft	15.75 in 40 cm 400.1 mm 1.31 ft
Case Depth with Stand	6.2 in 15.8 cm 157.6 mm 0.52 ft	6.88 in 17.5 cm 174.7 mm 0.57 ft
Case Weight with Stand		6.4 kg 14 lbs
Case Color	Silver	Silver
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x 3.5 mm Audio Out	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 HDCP (High-bandwidth Digital Content Protection) 2.2 AMD FreeSync technology DDC/CI	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	24.05 in 61.1 cm 610.9 mm 2 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height	13.94 in 35.4 cm 354.1 mm 1.16 ft	14.35 in 36.5 cm 364.6 mm 1.2 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	40 Hz - 60 Hz
Horizontal Digital Frequency	30 kHz - 140 kHz	130 kHz - 137 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	HDMI cable	HDMI cable
Certificates and Standards
Licenses	CECP ENERGY STAR 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	12192	12192

Dell UltraThin S2719DM

Dell S2721QS