Comparison between LG 27UL650 vs Acer XB281HK

General Info
Model Number	LG 27UL650	Acer XB281HK

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2015
Brand	LG	Acer
Model Number	27UL650	XB281HK
Alias	27UL650-W	Predator XB281HKbmiprz
Display
Screen Size Class	27" (inches)	28" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	28 in 71.1 cm 711.2 mm 2.33 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 Manufacturer		Innolux
Display Type	IPS	TN
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	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	0.162 mm
Screen Pixel Density	163 ppi	157 ppi
Screen-to-Body Ratio	89.77 %
Backlight Source	W-LED	W-LED
sRGB	99 %
NTSC 1953		72 %
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 °	170 °
Screen Vertical Viewing Angle	178 °	160 °
Screen Input Lag	15 ms
Display Minimum Response Time	5 ms	1 ms
Display Average Response Time	12 ms
Display Maximum Response Time	20 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10 DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	1.77 in 4.5 cm 45 mm 0.15 ft
Case Weight	4.6 kg 10 lbs
Case Width with Stand	24.13 in 61.3 cm 613 mm 2.01 ft	25.94 in 65.9 cm 659 mm 2.16 ft
Case Height with Stand	17.99 in 45.7 cm 457 mm 1.5 ft	16.34 in 41.5 cm 415 mm 1.36 ft
Case Depth with Stand	9.06 in 23 cm 230 mm 0.75 ft	10.55 in 26.8 cm 268 mm 0.88 ft
Case Weight with Stand	6.3 kg 14 lbs	7.57 kg 17 lbs
Case Color	White, Gray	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4	1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)
Audio
Audio Speakers		2 x 2W
Features
Cool Features	Black Stabilizer DDC/CI Flicker-free technology Super Resolution+ HDCP (High-bandwidth Digital Content Protection) 2.2 Dynamic Action Sync 6-Axis Control AMD FreeSync technology	Flicker-free technology Nvidia G-SYNC Technology
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.13 in 61.3 cm 613 mm 2.01 ft
Case Height	14.33 in 36.4 cm 364 mm 1.19 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	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	15 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 60 Hz	60 Hz
Accessories
Extras	DisplayPort cable HDMI cable	DisplayPort cable HDMI cable USB 3.0 cable
Certificates and Standards
Licenses	C-Tick CCC CECP CEL cUL ENERGY STAR 7.0 ErP FCC Class B KC RoHS Compliant TÜV/GS VCCI	ENERGY STAR ErP TCO Certified Displays 6.0
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	10 % - 85 %

LG 27UL650

Acer XB281HK