Comparison between Iiyama ProLite XB2779QQS-S1 vs Dell UltraSharp U3818DW

General Info
Model Number	Iiyama ProLite XB2779QQS-S1	Dell UltraSharp U3818DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2017
Brand	Iiyama	Dell
Model Number	ProLite XB2779QQS-S1	UltraSharp U3818DW
Alias	XB2779QQS-S1
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	23.43 in 59.5 cm 595.2 mm 1.95 ft	34.63 in 88 cm 879.67 mm 2.89 ft
Screen Height	13.18 in 33.5 cm 334.8 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	5120 x 2880	3840 x 1600
Screen Pixel Pitch	0.116 mm	0.229 mm
Screen Pixel Density	218 ppi	111 ppi
Screen-to-Body Ratio	74.23 %	90.89 %
Backlight Source	W-LED	W-LED
DCI P3		78.1%
sRGB		99 %
NTSC 1953	78 %
Screen Brightness	440 cd/m²	350 cd/m²
Static Screen Contrast	1200 : 1	1000 : 1
Dynamic Screen Contrast	80000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	27 ms	25 ms
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	12 ms	8 ms
Display Maximum Response Time		20 ms
Display Coating		Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.71 in 4.4 cm 43.5 mm 0.14 ft	2.19 in 5.6 cm 55.5 mm 0.18 ft
Case Weight		9.05 kg 20 lbs
Case Width with Stand	25.59 in 65 cm 650 mm 2.13 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height with Stand	17.11 in 43.5 cm 434.5 mm 1.43 ft	17.01 in 43.2 cm 432 mm 1.42 ft
Case Depth with Stand	9.06 in 23 cm 230 mm 0.75 ft	8.91 in 22.6 cm 226.4 mm 0.74 ft
Case Weight with Stand	8.2 kg 18 lbs	12.14 kg 27 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 3 x HDMI 2.0 2 x DisplayPort 1.2	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 2W	2 x 9W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Low Blue Light Picture-in-Picture Picture-by-Picture EcoModes Flicker-free technology	Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	25.59 in 65 cm 650 mm 2.13 ft	35.2 in 89.4 cm 894 mm 2.93 ft
Case Height	16.26 in 41.3 cm 413 mm 1.35 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	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	30 °
Right Swivel	45 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	2 °	5 °
Backward Tilt	17 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	55 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 180 kHz
Accessories
Extras	DisplayPort cable HDMI cable	DisplayPort cable Factory Calibration Report HDMI cable USB 3.0 upstream cable USB Type-C cable
Certificates and Standards
Licenses	CE ENERGY STAR PSE TÜV/GS VCCI-B	CECP CEL ENERGY STAR RoHS Compliant TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °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 % - 85 %	5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Iiyama ProLite XB2779QQS-S1

Dell UltraSharp U3818DW