Comparison between Dell UltraSharp U2718Q vs Dell UltraSharp U3818DW

General Info
Model Number	Dell UltraSharp U2718Q	Dell UltraSharp U3818DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2017
Brand	Dell	Dell
Model Number	UltraSharp U2718Q	UltraSharp U3818DW
Display
Screen Size Class	27" (inches)	38" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	37.5 in 95.3 cm 952.5 mm 3.13 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	34.63 in 88 cm 879.67 mm 2.89 ft
Screen Height	13.21 in 33.6 cm 335.66 mm 1.1 ft	14.43 in 36.7 cm 366.53 mm 1.2 ft
Display Curvature		2300
Display Manufacturer	LG Display	LG Display
Display Type	IPS	AH-IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits
Frame Rate Control	Yes	No
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9
Screen Resolution	3840 x 2160	3840 x 1600
Screen Pixel Pitch	0.155 mm	0.229 mm
Screen Pixel Density	163 ppi	111 ppi
Screen-to-Body Ratio	91.99 %	90.89 %
Backlight Source	W-LED	W-LED
DCI P3	80.7%	78.1%
sRGB	99.9 %	99 %
Adobe RGB 1998	75 %
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	9 ms	25 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	14 ms	8 ms
Display Maximum Response Time		20 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	2.19 in 5.6 cm 55.5 mm 0.18 ft
Case Weight	3.7 kg 8 lbs	9.05 kg 20 lbs
Case Width with Stand	24.07 in 61.1 cm 611.3 mm 2.01 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height with Stand	16.15 in 41 cm 410.2 mm 1.35 ft	17.01 in 43.2 cm 432 mm 1.42 ft
Case Depth with Stand	7.89 in 20 cm 200.3 mm 0.66 ft	8.91 in 22.6 cm 226.4 mm 0.74 ft
Case Weight with Stand	6.23 kg 14 lbs	12.14 kg 27 lbs
Case Color	Black	Black
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)	2 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (Type-C)
Audio
Audio Speakers		2 x 9W
Features
Cool Features	DDC/CI HDCP (High-bandwidth Digital Content Protection)	Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture
Extra Features		Security lock slot
Ergonomics
Case Width	24.07 in 61.1 cm 611.3 mm 2.01 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height	14.02 in 35.6 cm 356.2 mm 1.17 ft	15.62 in 39.7 cm 396.8 mm 1.3 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	115 mm 11.5 cm 4.5276 in 0.3773 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	30 °
Right Swivel	45 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz
Accessories
Extras	DisplayPort cable - mini-DP to DP USB 3.0 upstream cable	DisplayPort cable Factory Calibration Report HDMI cable USB 3.0 upstream cable USB Type-C cable
Certificates and Standards
Licenses	CECP ENERGY STAR Epeat Gold RoHS compliant TCO Certified Displays	CECP CEL ENERGY STAR RoHS Compliant TCO Certified Displays
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 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell UltraSharp U2718Q

Dell UltraSharp U3818DW