Comparison between Dell S2721DGF vs Acer CB282K smiiprx

General Info
Model Number	Dell S2721DGF	Acer CB282K smiiprx

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	Dell	Acer
Model Series		CB2
Model Number	S2721DGF	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	2560 x 1440	3840 x 2160
Screen Pixel Pitch	0.233 mm	0.161 mm
Screen Pixel Density	109 ppi	157 ppi
Screen-to-Body Ratio	90.07 %	89.67 %
Backlight Source	W-LED	W-LED
DCI P3	98%	90%
Screen Brightness	400 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	1 ms	4 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	DisplayHDR 400	HDR10
3D	No	No
Size, weight, color
Case Depth	2.67 in 6.8 cm 67.8 mm 0.22 ft	2.68 in 6.8 cm 68 mm 0.22 ft
Case Weight	4.5 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	15.51 in 39.4 cm 393.9 mm 1.29 ft	17.2 in 43.7 cm 437 mm 1.43 ft
Case Depth with Stand	7.89 in 20 cm 200.3 mm 0.66 ft	10.59 in 26.9 cm 269 mm 0.88 ft
Case Weight with Stand		7.25 kg 16 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x 3.5 mm Audio In 4 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream)	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers		2 x 2W
Features
Cool Features	Low Blue Light NVIDIA G-SYNC Compatible RGB lights AMD FreeSync Premium Pro Flicker-free technology	Flicker-free technology Low Blue Light Zero-Frame Design Wide Viewing Angle AMD FreeSync technology ComfyView
Extra Features	Security lock slot	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	14.31 in 36.4 cm 363.6 mm 1.19 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	130 mm 13 cm 5.1181 in 0.4265 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	45 °	180 °
Right Swivel	45 °	180 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 165 Hz	40 Hz - 60 Hz
Horizontal Digital Frequency		30 kHz - 160 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 cable	HDMI cable
Certificates and Standards
Licenses	ENERGY STAR EPEAT TCO Certified RoHS	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 S2721DGF

Acer CB282K smiiprx