Comparison between Dell UltraThin S2419HM vs Dell U2721DE

General Info
Model Number	Dell UltraThin S2419HM	Dell U2721DE

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2020
Brand	Dell	Dell
Model Number	UltraThin S2419HM	U2721DE
Display
Screen Size Class	24" (inches)	27" (inches)
Diagonal Size	23.78 in 60.4 cm 604 mm 1.98 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits
Frame Rate Control	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	2560 x 1440
Screen Pixel Pitch	0.275 mm	0.233 mm
Screen Pixel Density	92 ppi	109 ppi
Screen-to-Body Ratio	92.93 %	92.16 %
Backlight Source	W-LED	W-LED
DCI P3	85%	89%
sRGB	99 %	99 %
Screen Brightness	400 cd/m²	350 cd/m²
Max Screen Brightness	600 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	5 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	8 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	1.14 in 2.9 cm 29 mm 0.1 ft	1.54 in 3.9 cm 39 mm 0.13 ft
Case Weight	3.6 kg 8 lbs	4.19 kg 9 lbs
Case Width with Stand	21.16 in 53.8 cm 537.5 mm 1.76 ft	24.1 in 61.2 cm 612.2 mm 2.01 ft
Case Height with Stand	16.2 in 41.2 cm 411.6 mm 1.35 ft	15.36 in 39 cm 390.2 mm 1.28 ft
Case Depth with Stand	6.2 in 15.8 cm 157.6 mm 0.52 ft	7.09 in 18 cm 180 mm 0.59 ft
Case Weight with Stand		6.24 kg 14 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x 3.5 mm Audio Out	1 x USB 3.1 (Type-C; upstream; DP; 65W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.0 (downstream) 2 x USB 3.0 (downstream; BC 1.2)
Audio
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) 2.2 DDC/CI Flicker-free technology	Flicker-free technology Low Blue Light
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	21.16 in 53.8 cm 537.5 mm 1.76 ft	24.1 in 61.2 cm 612.2 mm 2.01 ft
Case Height	12.31 in 31.3 cm 312.8 mm 1.03 ft	13.98 in 35.5 cm 355 mm 1.16 ft
Vesa Mount Support	No	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		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		40 °
Right Swivel		40 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency		30 kHz - 90 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	HDMI cable	DisplayPort cable USB Type-C to Type-C cable
Certificates and Standards
Licenses	CECP ENERGY STAR Epeat Silver RoHS compliant TCO Certified Displays	ENERGY STAR EPEAT TCO Certified RoHS NFPA 99
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 S2419HM

Dell U2721DE