Comparison between Asus PA27AC vs LG 27UL550

General Info
Model Number	Asus PA27AC	LG 27UL550

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2019
Brand	Asus	LG
Model Series	ProArt
Model Number	PA27AC	27UL550
Alias		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	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	Yes
Lut	14 bits
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	3840 x 2160
Screen Pixel Pitch	0.233 mm	0.155 mm
Screen Pixel Density	109 ppi	163 ppi
Screen-to-Body Ratio	92.42 %	86.66 %
Backlight Source	W-LED	W-LED
sRGB	100 %	98 %
Adobe RGB 1998	72 %
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	5 ms	5 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR	HDR10 DisplayHDR 400	HDR10
3D	No	No
Size, weight, color
Case Depth	2.17 in 5.5 cm 55 mm 0.18 ft	1.81 in 4.6 cm 46 mm 0.15 ft
Case Weight	5.4 kg 12 lbs	4.4 kg 10 lbs
Case Width with Stand	24.17 in 61.4 cm 614 mm 2.01 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height with Stand	15.2 in 38.6 cm 386 mm 1.27 ft	18.19 in 46.2 cm 462 mm 1.52 ft
Case Depth with Stand	8.7 in 22.1 cm 221 mm 0.73 ft	9.06 in 23 cm 230 mm 0.75 ft
Case Weight with Stand	8.5 kg 19 lbs	6 kg 13 lbs
Case Color	Black, Gray	White, Gray
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.0 (Type-C) 1 x USB 3.0 (upstream) 1 x HDMI 2.0 2 x Thunderbolt 3.0 1 x DisplayPort 1.2 2 x HDMI 1.4 1 x USB 2.0 (downstream) 1 x 3.5 mm Audio Out 2 x USB 3.0 (downstream)	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 HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture SPLENDID Video Intelligence Technology Picture-in-Picture Low Blue Light 5-way OSD joystick Trace Free Technology Adaptive-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	24.17 in 61.4 cm 614 mm 2.01 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height	13.9 in 35.3 cm 353 mm 1.16 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	120 mm 12 cm 4.7244 in 0.3937 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	60 °
Right Swivel	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	23 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 60 Hz	40 Hz - 61 Hz
Horizontal Digital Frequency	30 kHz - 120 kHz
Accessories
Extras	DisplayPort cable HDMI cable Thunderbolt 3 cable USB 3.0 upstream cable	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	BSMI CB CCC CE CEL level 1 cTick CU eStandby ENERGY STAR FCC Class B J-MOSS KCC PSE RCM RoHS TCO Certified Displays 7.0 TÜV Flicker-free TÜV Low Blue Light UL/cUL VCCI WEEE WHQL (Windows 10; Windows 8.1; Windows 7)	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	0 °C - 40 °C 32 °F - 104 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level		10 % - 85 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F

Asus PA27AC

LG 27UL550