Comparison between Dell UltraSharp U2718Q vs LG 34UC99

General Info
Model Number	Dell UltraSharp U2718Q	LG 34UC99

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2017
Brand	Dell	LG
Model Number	UltraSharp U2718Q	34UC99
Alias		34UC99-W
Display
Screen Size Class	27" (inches)	34" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	34 in 86.4 cm 863.6 mm 2.83 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	13.21 in 33.6 cm 335.66 mm 1.1 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Curvature		1900
Display Manufacturer	LG Display	LG Display
Display Type	IPS	AH-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	21:9
Screen Resolution	3840 x 2160	3440 x 1440
Screen Pixel Pitch	0.155 mm	0.233 mm
Screen Pixel Density	163 ppi	109 ppi
Screen-to-Body Ratio	91.99 %	90.77 %
Backlight Source	W-LED	W-LED
DCI P3	80.7%
sRGB	99.9 %	99 %
Adobe RGB 1998	75 %
Screen Brightness	350 cd/m²	300 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Dynamic Screen Contrast		5000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	9 ms	10 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	14 ms	15 ms
Display Maximum Response Time		25 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	1.93 in 4.9 cm 49.1 mm 0.16 ft	3.49 in 8.9 cm 88.7 mm 0.29 ft
Case Weight	3.7 kg 8 lbs	6.4 kg 14 lbs
Case Width with Stand	24.07 in 61.1 cm 611.3 mm 2.01 ft	32.19 in 81.8 cm 817.6 mm 2.68 ft
Case Height with Stand	16.15 in 41 cm 410.2 mm 1.35 ft	19.01 in 48.3 cm 482.8 mm 1.58 ft
Case Depth with Stand	7.89 in 20 cm 200.3 mm 0.66 ft	10.21 in 25.9 cm 259.4 mm 0.85 ft
Case Weight with Stand	6.23 kg 14 lbs	8.4 kg 18 lbs
Case Color	Black	White
Hardware
Built-in Camera	No	No
Connectivity	2 x USB 3.0 (charger - 5V/2.0A) 1 x HDMI 2.0 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 2 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 1 x USB (Type-C) 2 x USB 3.0 (downstream)
Audio
Audio Speakers		2 x 7W
Features
Cool Features	DDC/CI HDCP (High-bandwidth Digital Content Protection)	Black Stabilizer Flicker-free technology Picture-by-Picture Quick Charge Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) 6-Axis Control Screen Split 2.0 AMD FreeSync technology
Extra Features		Anti-theft stand lock slot
Ergonomics
Case Width	24.07 in 61.1 cm 611.3 mm 2.01 ft	32.19 in 81.8 cm 817.6 mm 2.68 ft
Case Height	14.02 in 35.6 cm 356.2 mm 1.17 ft	14.2 in 36.1 cm 360.8 mm 1.18 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	130 mm 13 cm 5.1181 in 0.4265 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	45 °
Right Swivel	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	55 Hz - 75 Hz
Horizontal Digital Frequency		30 kHz - 90 kHz
Accessories
Extras	DisplayPort cable - mini-DP to DP USB 3.0 upstream cable	DisplayPort cable HDMI cable USB Type-C cable
Certificates and Standards
Licenses	CECP ENERGY STAR Epeat Gold RoHS compliant TCO Certified Displays	BSMI CCC CE cTick ENERGY STAR 6.0 ErP FCC Class B UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °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 % - 90 %	5 % - 85 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Dell UltraSharp U2718Q

LG 34UC99