Comparison between Acer CM3271K vs Dell U2520D

General Info
Model Number	Acer CM3271K	Dell U2520D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	Acer	Dell
Model Series	ConceptD CM3	UltraSharp
Model Number	CM3271K	U2520D
Alias	СМ3271Κ bmiiрruzх	UltraSharp U2520D
Display
Screen Size Class	27" (inches)	25" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	24.98 in 63.4 cm 634.4 mm 2.08 ft
Screen Width	24.04 in 61.1 cm 610.536 mm 2 ft	21.77 in 55.3 cm 552.96 mm 1.81 ft
Screen Height	13.77 in 35 cm 349.864 mm 1.15 ft	12.25 in 31.1 cm 311.04 mm 1.02 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits	8 bits
Frame Rate Control		No
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	2560 x 1440
Screen Pixel Pitch	0.159 mm	0.216 mm
Screen Pixel Density	160 ppi	117 ppi
Screen-to-Body Ratio		91.23 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB		99 %
Adobe RGB 1998	99 %
Screen Brightness	350 cd/m²	350 cd/m²
Max Screen Brightness	400 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	4 ms	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR	DisplayHDR 400	DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth		1.96 in 5 cm 49.9 mm 0.16 ft
Case Weight		4.2 kg 9 lbs
Case Width with Stand	29.7 in 75.4 cm 754.283 mm 2.47 ft	22.35 in 56.8 cm 567.7 mm 1.86 ft
Case Height with Stand	26.35 in 66.9 cm 669.311 mm 2.2 ft	15.07 in 38.3 cm 382.9 mm 1.26 ft
Case Depth with Stand	14.03 in 35.6 cm 356.38 mm 1.17 ft	7.28 in 18.5 cm 185 mm 0.61 ft
Case Weight with Stand	8.452 kg 19 lbs	6.4 kg 14 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.2 (a) 1 x 3.5 mm Audio Out 1 x USB 3.1 (Type-C; Gen 2; upstream; 15W; DP Alt Mode) 2 x HDMI 2.0	1 x USB 3.0 (Type-C; 90W; DisplayPort) 1 x USB 3.0 (Type-C; Gen 1; downstream; 15W) 1 x DisplayPort 1.4 (in) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (out) 1 x HDMI 2.0 (CEC) 1 x USB 3.0 (downstream; BC 1.2 charging at 2A) 2 x USB 3.0 (Type-A; downstream)
Audio
Audio Speakers	2 x 4W
Features
Cool Features	Fliсkеr-frее tесhnоlоgy Light sеnsоr Раntоnе Vаlidаtеd Lоw Вluе Light Аdарtivе Соntrаst Маnаgеmеnt (АСМ) АМD FrееSynс Рrеmium	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot Anti-theft stand lock slot
Ergonomics
Case Width	29.35 in 74.5 cm 745.4 mm 2.45 ft	22.35 in 56.8 cm 567.7 mm 1.86 ft
Case Height		13.07 in 33.2 cm 332.1 mm 1.09 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	180 mm 18 cm 7.0866 in 0.5906 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support		Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	180 °	45 °
Right Swivel	180 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI Cable USB 3.0 cable USB Type-C cable Shielding Hood	DisplayPort cable USB Type-C to Type-C cable USB Type-C to Type-A cable
Certificates and Standards
Licenses	CE TÜV GS ISO9241-307 class II MPRII	BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant TCO Certified Displays
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 CM3271K

Dell U2520D