Comparison between Lenovo D22-10 vs Dell S2721HN

General Info
Model Number	Lenovo D22-10	Dell S2721HN

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2020
Brand	Lenovo	Dell
Model Number	D22-10	S2721HN
Alias	65E4KAC6EU	S2721NX
Display
Screen Size Class	22" (inches)	27" (inches)
Diagonal Size	21.5 in 54.6 cm 546.1 mm 1.79 ft	27 in 68.6 cm 685.891 mm 2.25 ft
Screen Width	18.77 in 47.7 cm 476.64 mm 1.56 ft	23.54 in 59.8 cm 597.89 mm 1.96 ft
Screen Height	10.56 in 26.8 cm 268.11 mm 0.88 ft	13.24 in 33.6 cm 336.312 mm 1.1 ft
Display Type	TN	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	1920 x 1080
Screen Pixel Pitch	0.248 mm	0.311 mm
Screen Pixel Density	102 ppi	81 ppi
Screen-to-Body Ratio	88 %	90.67 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %	72 %
Screen Brightness	200 cd/m²	300 cd/m²
Static Screen Contrast	600 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	178 °
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.63 in 4.2 cm 41.5 mm 0.14 ft	2.13 in 5.4 cm 54 mm 0.18 ft
Case Weight	2.75 kg 6 lbs	4.3 kg 9 lbs
Case Width with Stand	19.26 in 48.9 cm 489.3 mm 1.61 ft	24.01 in 61 cm 609.9 mm 2 ft
Case Height with Stand	14.72 in 37.4 cm 373.8 mm 1.23 ft	17.85 in 45.3 cm 453.3 mm 1.49 ft
Case Depth with Stand	7.48 in 19 cm 190 mm 0.62 ft	7.35 in 18.7 cm 186.8 mm 0.61 ft
Case Weight with Stand		5.2 kg 11 lbs
Case Color	Black	Black, Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub	2 x HDMI 1.4 1 x 3.5 mm Audio Out
Audio
Features
Cool Features	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) Blue Light Filter DDC/CI	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington S2721HN - silver S2721NX - black
Ergonomics
Case Width	19.26 in 48.9 cm 489.3 mm 1.61 ft	24.01 in 61 cm 609.9 mm 2 ft
Case Height	11.69 in 29.7 cm 296.8 mm 0.97 ft	14.31 in 36.4 cm 363.6 mm 1.19 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	22 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 75 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 81 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	D-sub cable	HDMI cable
Certificates and Standards
Licenses	BSMI C-Tick CCC CE CECP ENERGY STAR 7.1 FCC Class B KC RoHS VCCI WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)	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 - 45 °C 32 °F - 113 °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 % - 95 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Lenovo D22-10

Dell S2721HN