Comparison between Dell S2721QS vs Acer CB282K smiiprx

General Info
Model Number	Dell S2721QS	Acer CB282K smiiprx

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	Dell	Acer
Model Series		CB2
Model Number	S2721QS	CB282K smiiprx
Alias		CB282Ksmiiprx CB282K smiiprx CB282K bmiiprx CB282Kbmiiprx
Display
Screen Size Class	27" (inches)	28" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	27.9 in 70.9 cm 708.538 mm 2.32 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	24.45 in 62.1 cm 620.93 mm 2.04 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control		Yes
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	0.161 mm
Screen Pixel Density	163 ppi	157 ppi
Screen-to-Body Ratio	89.83 %	89.67 %
Backlight Source	W-LED	W-LED
DCI P3		90%
sRGB	99 %
Screen Brightness	350 cd/m²	300 cd/m²
Max Screen Brightness	390 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Dynamic Screen Contrast		100000000 : 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)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth	2.18 in 5.5 cm 55.4 mm 0.18 ft	2.68 in 6.8 cm 68 mm 0.22 ft
Case Weight	4.7 kg 10 lbs	5.2 kg 11 lbs
Case Width with Stand	24.08 in 61.2 cm 611.6 mm 2.01 ft	25.08 in 63.7 cm 637 mm 2.09 ft
Case Height with Stand	15.75 in 40 cm 400.1 mm 1.31 ft	17.2 in 43.7 cm 437 mm 1.43 ft
Case Depth with Stand	6.88 in 17.5 cm 174.7 mm 0.57 ft	10.59 in 26.9 cm 269 mm 0.88 ft
Case Weight with Stand	6.4 kg 14 lbs	7.25 kg 16 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 3W	2 x 2W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	Flicker-free technology Low Blue Light Zero-Frame Design Wide Viewing Angle AMD FreeSync technology ComfyView
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.08 in 61.2 cm 611.6 mm 2.01 ft	25.08 in 63.7 cm 637 mm 2.09 ft
Case Height	14.35 in 36.5 cm 364.6 mm 1.2 ft	14.61 in 37.1 cm 371 mm 1.22 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	110 mm 11 cm 4.3307 in 0.3609 ft	180 mm 18 cm 7.0866 in 0.5906 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	0 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	180 °
Right Swivel	30 °	180 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 60 Hz	40 Hz - 60 Hz
Horizontal Digital Frequency	130 kHz - 137 kHz	30 kHz - 160 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	CE ISO9241-307 class I MPRII TCO TÜV GS
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

Dell S2721QS

Acer CB282K smiiprx