Comparison between Acer CM3271K vs LG 27UL550

General Info
Model Number	Acer CM3271K	LG 27UL550

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2019
Brand	Acer	LG
Model Series	ConceptD CM3
Model Number	CM3271K	27UL550
Alias	СМ3271Κ bmiiрruzх	27UL550-W
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	24.04 in 61.1 cm 610.536 mm 2 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.77 in 35 cm 349.864 mm 1.15 ft	13.22 in 33.6 cm 335.664 mm 1.1 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	0.159 mm	0.155 mm
Screen Pixel Density	160 ppi	163 ppi
Screen-to-Body Ratio		86.66 %
Backlight Source	W-LED	W-LED
sRGB		98 %
Adobe RGB 1998	99 %
Screen Brightness	350 cd/m²	300 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 Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR	DisplayHDR 400	HDR10
3D	No	No
Size, weight, color
Case Depth		1.81 in 4.6 cm 46 mm 0.15 ft
Case Weight		4.4 kg 10 lbs
Case Width with Stand	29.7 in 75.4 cm 754.283 mm 2.47 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height with Stand	26.35 in 66.9 cm 669.311 mm 2.2 ft	18.19 in 46.2 cm 462 mm 1.52 ft
Case Depth with Stand	14.03 in 35.6 cm 356.38 mm 1.17 ft	9.06 in 23 cm 230 mm 0.75 ft
Case Weight with Stand	8.452 kg 19 lbs	6 kg 13 lbs
Case Color	Black	White, Gray
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 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
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	Black Stabilizer Blue Light Filter Dynamic Action Sync HDCP (High-bandwidth Digital Content Protection) 2.2 Flicker-free technology DDC/CI 6-Axis Control Super Resolution+ AMD FreeSync technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	29.35 in 74.5 cm 745.4 mm 2.45 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height		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	180 mm 18 cm 7.0866 in 0.5906 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support		Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	Yes	No
Left Swivel	180 °
Right Swivel	180 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	40 Hz - 61 Hz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI Cable USB 3.0 cable USB Type-C cable Shielding Hood	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	CE TÜV GS ISO9241-307 class II MPRII	C-Tick CCC CECP CEL cUL ENERGY STAR 7.0 Epeat Gold ErP FCC Class B KC RoHS Compliant TÜV/GS VCCI
Usage and Storage Requirements
Safe Operating Temperature Level		5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level		10 % - 85 %

Acer CM3271K

LG 27UL550