Comparison between Lenovo S27i-10 vs LG 27UL550

General Info
Model Number	Lenovo S27i-10	LG 27UL550

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2019
Brand	Lenovo	LG
Model Number	S27i-10	27UL550
Alias	61C7KAT1EU	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	23.54 in 59.8 cm 597.888 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.24 in 33.6 cm 336.312 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 (6 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	3840 x 2160
Screen Pixel Pitch	0.311 mm	0.155 mm
Screen Pixel Density	81 ppi	163 ppi
Screen-to-Body Ratio	89.66 %	86.66 %
Backlight Source	W-LED	W-LED
sRGB		98 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 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		HDR10
3D	No	No
Size, weight, color
Case Depth	1.82 in 4.6 cm 46.2 mm 0.15 ft	1.81 in 4.6 cm 46 mm 0.15 ft
Case Weight	4.22 kg 9 lbs	4.4 kg 10 lbs
Case Width with Stand	24.09 in 61.2 cm 611.9 mm 2.01 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height with Stand	17.46 in 44.4 cm 443.5 mm 1.46 ft	18.19 in 46.2 cm 462 mm 1.52 ft
Case Depth with Stand	8.66 in 22 cm 220 mm 0.72 ft	9.06 in 23 cm 230 mm 0.75 ft
Case Weight with Stand	4.76 kg 10 lbs	6 kg 13 lbs
Case Color	Black	White, Gray
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Features
Cool Features	DDC/CI HDCP (High-bandwidth Digital Content Protection)	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	24.09 in 61.2 cm 611.9 mm 2.01 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height	14.43 in 36.7 cm 366.5 mm 1.2 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	22 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	49 Hz - 76 Hz	40 Hz - 61 Hz
Horizontal Digital Frequency	54 kHz - 90 kHz
Accessories
Extras	D-sub cable HDMI cable	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	BSMI C-Tick CCC CE CECP ENERGY STAR 7.0 FCC Class B KC RoHS TCO Certified Display 7.0 TCO Edge 2.0 TÜV/GS VCCI WHQL (Windows 10; Windows 8.1; Windows 8; 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 - 45 °C 32 °F - 113 °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 % - 95 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Lenovo S27i-10

LG 27UL550