Comparison between LG 27UK500 vs LG 27UL550

General Info
Model Number	LG 27UK500	LG 27UL550

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2019
Brand	LG	LG
Model Series	UltraFine
Model Number	27UK500	27UL550
Alias	27UK500-B	27UL550-W
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 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 Manufacturer	LG Display
Display Type	AH-IPS	IPS
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	0.155 mm
Screen Pixel Density	163 ppi	163 ppi
Screen-to-Body Ratio	86.72 %	86.66 %
Backlight Source	W-LED	W-LED
sRGB	98 %	98 %
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	15 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	14 ms
Display Maximum Response Time	20 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10	HDR10
3D	No	No
Size, weight, color
Case Depth	2.92 in 7.4 cm 74.1 mm 0.24 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	24.51 in 62.3 cm 622.6 mm 2.04 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height with Stand	18.11 in 46 cm 460 mm 1.51 ft	18.19 in 46.2 cm 462 mm 1.52 ft
Case Depth with Stand	8.24 in 20.9 cm 209.4 mm 0.69 ft	9.06 in 23 cm 230 mm 0.75 ft
Case Weight with Stand	5.1 kg 11 lbs	6 kg 13 lbs
Case Color	Black	White, Gray
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Features
Cool Features	Color Calibrated Color Weakness Mode Reader Mode Dual Controller Flicker-free technology Smart Energy Saving Dynamic Action Sync DDC/CI AMD FreeSync technology Super Resolution+ HDR Effect Black Stabilizer Low Blue Light	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	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.51 in 62.3 cm 622.6 mm 2.04 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	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	No	Yes
Height Adjustment Range		110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	15 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 61 Hz	40 Hz - 61 Hz
Horizontal Digital Frequency	30 kHz - 135 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI cable	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	BSMI CCC CE cTick ENERGY STAR 7.0 ErP FCC Class B UL/cUL	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 % - 80 %	10 % - 85 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 85 %

LG 27UK500

LG 27UL550