Comparison between Samsung S34J55W vs LG UltraFine 5K

General Info
Model Number	Samsung S34J55W	LG UltraFine 5K

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2016
Brand	Samsung	LG
Model Series	SJ55W
Model Number	S34J55W	UltraFine 5K
Alias		27MD5KA-B 27MD5KB-B
Display
Screen Size Class	34" (inches)	27" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	23.49 in 59.7 cm 596.768 mm 1.96 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	13.22 in 33.6 cm 335.682 mm 1.1 ft
Display Manufacturer	Samsung	LG Display
Display Type	SVA	AH-IPS
Display Bit Depth	8 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	21:9	16:9
Screen Resolution	3440 x 1440	5120 x 2880
Screen Pixel Pitch	0.233 mm	0.117 mm
Screen Pixel Density	109 ppi	218 ppi
Screen-to-Body Ratio	87.54 %	68.97 %
Backlight Source	W-LED	W-LED
DCI P3		99%
Screen Brightness	300 cd/m²	500 cd/m²
Static Screen Contrast	3000 : 1	1200 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms
Display Average Response Time		14 ms
Display Coating	Anti-glare/Matte (2H)	Glossy
3D	No	No
Size, weight, color
Case Depth	4.16 in 10.6 cm 105.7 mm 0.35 ft	2.13 in 5.4 cm 54 mm 0.18 ft
Case Weight	6.4 kg 14 lbs	6.4 kg 14 lbs
Case Width with Stand	32.6 in 82.8 cm 828.1 mm 2.72 ft	24.65 in 62.6 cm 626 mm 2.05 ft
Case Height with Stand	18.54 in 47.1 cm 470.8 mm 1.54 ft	18.27 in 46.4 cm 464 mm 1.52 ft
Case Depth with Stand	9.56 in 24.3 cm 242.8 mm 0.8 ft	9.41 in 23.9 cm 239 mm 0.78 ft
Case Weight with Stand	6.9 kg 15 lbs	8.5 kg 19 lbs
Case Color	Gray	Black
Hardware
Built-in Camera	No	Yes
Connectivity	1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x HDMI 2.0	3 x USB 3.0 (Type-C) 1 x Thunderbolt 3.0
Audio
Audio Speakers		2 x 5W
Features
Cool Features	Eye Saver Mode Flicker-free technology Picture-by-Picture Samsung MagicUpscale Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Eco Saving Plus
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	32.6 in 82.8 cm 828.1 mm 2.72 ft	24.65 in 62.6 cm 626 mm 2.05 ft
Case Height	14.54 in 36.9 cm 369.4 mm 1.21 ft	18.27 in 46.4 cm 464 mm 1.52 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	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	1.5 °	5 °
Backward Tilt	15 °	25 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	48 Hz - 60 Hz
Horizontal Digital Frequency		30 kHz - 178 kHz
Accessories
Extras	HDMI cable	Thunderbolt 3 cable
Certificates and Standards
Licenses	ENERGY STAR FCC Class B ISO9241-307 TÜV/Ergonomics	BSMI CB CCC CE ENERGY STAR 7.0 Epeat Gold FCC Class B KC RCM RoHS UL/cUL VCCI
Usage and Storage Requirements
Safe Operating Temperature Level	10 °C - 40 °C 50 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	5 % - 85 %

Samsung S34J55W

LG UltraFine 5K