Comparison between Acer XB271HK vs LG 27UL550

General Info
Model Number	Acer XB271HK	LG 27UL550

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2015	2019
Brand	Acer	LG
Model Number	XB271HK	27UL550
Alias	XB271HK bmiprz	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	23.47 in 59.6 cm 596.16 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.2 in 33.5 cm 335.34 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer	AU Optronics
Display Type	AHVA IPS	IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	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	0.155 mm
Screen Pixel Density	163 ppi	163 ppi
Screen-to-Body Ratio	88.3 %	86.66 %
Backlight Source	W-LED	W-LED
sRGB	100 %	98 %
NTSC 1953	72 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	4 ms
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	8 ms
Display Maximum Response Time	12 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth	2.4 in 6.1 cm 61 mm 0.2 ft	1.81 in 4.6 cm 46 mm 0.15 ft
Case Weight	4.6 kg 10 lbs	4.4 kg 10 lbs
Case Width with Stand	24.2 in 61.5 cm 614.7 mm 2.02 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height with Stand	15.8 in 40.1 cm 401.3 mm 1.32 ft	18.19 in 46.2 cm 462 mm 1.52 ft
Case Depth with Stand	10.57 in 26.8 cm 268.4 mm 0.88 ft	9.06 in 23 cm 230 mm 0.75 ft
Case Weight with Stand	7 kg 15 lbs	6 kg 13 lbs
Case Color	Black	White, Gray
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Audio Speakers	2 x 2W
Features
Cool Features	Flicker-free technology Nvidia G-SYNC Technology	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
Ergonomics
Case Width	24.2 in 61.5 cm 614.7 mm 2.02 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height	14.5 in 36.8 cm 368.3 mm 1.21 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	150 mm 15 cm 5.9055 in 0.4921 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	30 °
Right Swivel	30 °
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
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 cable	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	ENERGY STAR ErP TCO Certified Displays 6.0	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 XB271HK

LG 27UL550