Comparison between Dell S2718H vs Dell UltraSharp U3818DW

General Info
Model Number	Dell S2718H	Dell UltraSharp U3818DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2017
Brand	Dell	Dell
Model Number	S2718H	UltraSharp U3818DW
Display
Screen Size Class	27" (inches)	38" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	37.5 in 95.3 cm 952.5 mm 3.13 ft
Screen Width	23.54 in 59.8 cm 597.89 mm 1.96 ft	34.63 in 88 cm 879.67 mm 2.89 ft
Screen Height	13.24 in 33.6 cm 336.31 mm 1.1 ft	14.43 in 36.7 cm 366.53 mm 1.2 ft
Display Curvature		2300
Display Manufacturer		LG Display
Display Type	IPS	AH-IPS
Display Bit Depth	8 bits (6 bits + FRC)	10 bits
Frame Rate Control	Yes	No
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9
Screen Resolution	1920 x 1080	3840 x 1600
Screen Pixel Pitch	0.311 mm	0.229 mm
Screen Pixel Density	81 ppi	111 ppi
Screen-to-Body Ratio	92.06 %	90.89 %
Backlight Source	W-LED	W-LED
DCI P3		78.1%
sRGB	99 %	99 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	350 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 °
Screen Input Lag		25 ms
Display Minimum Response Time	6 ms	5 ms
Display Average Response Time		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	1.74 in 4.4 cm 44.2 mm 0.15 ft	2.19 in 5.6 cm 55.5 mm 0.18 ft
Case Weight	3.79 kg 8 lbs	9.05 kg 20 lbs
Case Width with Stand	24.12 in 61.3 cm 612.7 mm 2.01 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height with Stand	17.86 in 45.4 cm 453.6 mm 1.49 ft	17.01 in 43.2 cm 432 mm 1.42 ft
Case Depth with Stand	6.39 in 16.2 cm 162.2 mm 0.53 ft	8.91 in 22.6 cm 226.4 mm 0.74 ft
Case Weight with Stand	4.98 kg 11 lbs	12.14 kg 27 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x D-sub	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	1 x 6W	2 x 9W
Features
Cool Features	Low Blue Light AMD FreeSync technology Flicker-free technology	Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	24.12 in 61.3 cm 612.7 mm 2.01 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height	14.04 in 35.7 cm 356.5 mm 1.17 ft	15.62 in 39.7 cm 396.8 mm 1.3 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		115 mm 11.5 cm 4.5276 in 0.3773 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	31 kHz - 140 kHz
Accessories
Extras	D-sub cable HDMI cable	DisplayPort cable Factory Calibration Report HDMI cable USB 3.0 upstream cable USB Type-C cable
Certificates and Standards
Licenses	CECP CEL ENERGY STAR 6.0 ErP RoHS Compliant TCO Certified Displays WEEE	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 S2718H

Dell UltraSharp U3818DW