Comparison between Dell S2721H vs Lenovo D27-20

General Info
Model Number	Dell S2721H	Lenovo D27-20

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2019
Brand	Dell	Lenovo
Model Number	S2721H	D27-20
Alias		61E3KCR1
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.9 mm 2.25 ft	27 in 68.6 cm 685.891 mm 2.25 ft
Screen Width	23.54 in 59.8 cm 597.888 mm 1.96 ft	23.54 in 59.8 cm 597.888 mm 1.96 ft
Screen Height	13.24 in 33.6 cm 336.312 mm 1.1 ft	13.24 in 33.6 cm 336.312 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits	8 bits (6 bits + FRC)
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	1920 x 1080
Screen Pixel Pitch	0.311 mm	0.311 mm
Screen Pixel Density	81 ppi	81 ppi
Screen-to-Body Ratio	90.67 %	89.86 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %	72 %
Screen Brightness	300 cd/m²	200 cd/m²
Max Screen Brightness		250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		3000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	4 ms
Display Average Response Time	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	2.13 in 5.4 cm 54 mm 0.18 ft	2 in 5.1 cm 50.7 mm 0.17 ft
Case Weight	4.4 kg 10 lbs	4.07 kg 9 lbs
Case Width with Stand	24.01 in 61 cm 609.9 mm 2 ft	24.1 in 61.2 cm 612.2 mm 2.01 ft
Case Height with Stand	17.8 in 45.2 cm 452.12 mm 1.48 ft	17.5 in 44.5 cm 444.5 mm 1.46 ft
Case Depth with Stand	7.35 in 18.7 cm 186.8 mm 0.61 ft	9.09 in 23.1 cm 230.8 mm 0.76 ft
Case Weight with Stand	5.4 kg 12 lbs	4.82 kg 11 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 1.4 1 x 3.5 mm Audio Out	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub
Audio
Audio Speakers	2 x 3W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	Low Blue Light AMD FreeSync technology Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.01 in 61 cm 609.9 mm 2 ft	24.1 in 61.2 cm 612.2 mm 2.01 ft
Case Height	14.31 in 36.4 cm 363.6 mm 1.19 ft	14.39 in 36.6 cm 365.5 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	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	22 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	HDMI cable
Certificates and Standards
Licenses	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light	CCC China Energy Efficiency Standard CEL G1 Energy Star 8.0 EPEAT Silver RoHS (EU 2002/95/EC) Windows Certification (Windows 7 Windows 10)
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 % - 95 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell S2721H

Lenovo D27-20