Comparison between Acer CB271HK vs Dell S3221QS

General Info
Model Number	Acer CB271HK	Dell S3221QS

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Type	Monitor	Monitor
Year	2016	2020
Brand	Acer	Dell
Model Number	CB271HK	S3221QS
Alias	CB271HKbmjdpr
Display
Screen Size Class	27" (inches)	32" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	31.5 in 80 cm 800.1 mm 2.63 ft
Screen Width	23.47 in 59.6 cm 596.16 mm 1.96 ft	27.45 in 69.7 cm 697.31 mm 2.29 ft
Screen Height	13.2 in 33.5 cm 335.34 mm 1.1 ft	15.44 in 39.2 cm 392.26 mm 1.29 ft
Display Curvature		1800
Display Type	IPS	VA
Display Bit Depth	10 bits	10 bits
Frame Rate Control	No
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.155 mm	0.182 mm
Screen Pixel Density	163 ppi	140 ppi
Screen-to-Body Ratio	86.59 %	90.79 %
Backlight Source	W-LED	W-LED
DCI P3		90%
sRGB	100 %	99 %
Adobe RGB 1998		80 %
NTSC 1953	72 %
Screen Brightness	300 cd/m²	300 cd/m²
Max Screen Brightness		370 cd/m²
Static Screen Contrast	1000 : 1	3000 : 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 (3H)
3D	No	No
Size, weight, color
Case Depth	2.52 in 6.4 cm 64 mm 0.21 ft	2.52 in 6.4 cm 64 mm 0.21 ft
Case Weight	4.99 kg 11 lbs	7.4 kg 16 lbs
Case Width with Stand	24.57 in 62.4 cm 624 mm 2.05 ft	27.92 in 70.9 cm 709.2 mm 2.33 ft
Case Height with Stand	21.42 in 54.4 cm 544 mm 1.78 ft	17.64 in 44.8 cm 448.1 mm 1.47 ft
Case Depth with Stand	9.33 in 23.7 cm 237 mm 0.78 ft	8.15 in 20.7 cm 207 mm 0.68 ft
Case Weight with Stand	7.9 kg 17 lbs	10.9 kg 24 lbs
Case Color	Black	Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x DVI-D Dual Link 1 x 3.5 mm Audio In 1 x 3.5 mm Audio In 1 x HDMI 2.0 (MHL) 1 x DisplayPort 1.2	2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream)
Audio
Audio Speakers	2 x 2W	2 x 5W
Features
Cool Features	Picture-by-Picture Picture-in-Picture Flicker-free technology HDCP (High-bandwidth Digital Content Protection)	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features		Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.57 in 62.4 cm 624 mm 2.05 ft	27.92 in 70.9 cm 709.2 mm 2.33 ft
Case Height	14.57 in 37 cm 370 mm 1.21 ft	16.72 in 42.5 cm 424.8 mm 1.39 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	150 mm 15 cm 5.9055 in 0.4921 ft	70 mm 7 cm 2.7559 in 0.2297 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	60 °
Right Swivel	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	40 Hz - 60 Hz
Horizontal Digital Frequency		29 kHz - 140 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	Audio cable DisplayPort cable DVI-D cable HDMI cable	HDMI cable
Certificates and Standards
Licenses	ENERGY STAR ErP TCO Certified Displays 6.0	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
Safe Operating Humidity Level		10 % - 80 %
Internal Storage Temperature		-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Acer CB271HK

Dell S3221QS