Comparison between Dell InfinityEdge S2418HN vs LG 27UL550

General Info
Model Number	Dell InfinityEdge S2418HN	LG 27UL550

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2019
Brand	Dell	LG
Model Number	InfinityEdge S2418HN	27UL550
Alias		27UL550-W
Display
Screen Size Class	24" (inches)	27" (inches)
Diagonal Size	23.81 in 60.5 cm 604.7 mm 1.98 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 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	0.275 mm	0.155 mm
Screen Pixel Density	92 ppi	163 ppi
Screen-to-Body Ratio	91.97 %	86.66 %
Backlight Source	W-LED	W-LED
sRGB	99 %	98 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	8000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	6 ms	5 ms
Display Average Response Time	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10	HDR10
3D	No	No
Size, weight, color
Case Depth	1.72 in 4.4 cm 43.8 mm 0.14 ft	1.81 in 4.6 cm 46 mm 0.15 ft
Case Weight	2.66 kg 6 lbs	4.4 kg 10 lbs
Case Width with Stand	21.22 in 53.9 cm 539 mm 1.77 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height with Stand	16.24 in 41.2 cm 412.4 mm 1.35 ft	18.19 in 46.2 cm 462 mm 1.52 ft
Case Depth with Stand	6.39 in 16.2 cm 162.2 mm 0.53 ft	9.06 in 23 cm 230 mm 0.75 ft
Case Weight with Stand	4 kg 9 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 2.0 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	HDCP (High-bandwidth Digital Content Protection) Low Blue Light AMD FreeSync technology Flicker-free 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	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	21.22 in 53.9 cm 539 mm 1.77 ft	24.53 in 62.3 cm 623 mm 2.04 ft
Case Height	12.41 in 31.5 cm 315.2 mm 1.03 ft	14.61 in 37.1 cm 371 mm 1.22 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	75 x 75	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	21 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	29 Hz - 76 Hz	40 Hz - 61 Hz
Horizontal Digital Frequency	30 kHz - 140 kHz
Accessories
Extras	D-sub cable HDMI cable	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	CECP CEL ENERGY STAR 6.0 ErP RoHS Compliant TCO Certified Displays WEEE	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 % - 90 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Dell InfinityEdge S2418HN

LG 27UL550