Comparison between Dell UltraSharp UP2715K vs Iiyama ProLite XB2779QQS-S1

General Info
Model Number	Dell UltraSharp UP2715K	Iiyama ProLite XB2779QQS-S1

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2018
Brand	Dell	Iiyama
Model Number	UltraSharp UP2715K	ProLite XB2779QQS-S1
Alias		XB2779QQS-S1
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	23.43 in 59.5 cm 595.2 mm 1.95 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 Type	IPS	IPS
Display Bit Depth	10 bits	8 bits (6 bits + FRC)
Frame Rate Control	No	Yes
Lut	3D LUT 12 bits
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	5120 x 2880	5120 x 2880
Screen Pixel Pitch	0.116 mm	0.116 mm
Screen Pixel Density	218 ppi	218 ppi
Screen-to-Body Ratio	81.72 %	74.23 %
Backlight Source	GB-r LED	W-LED
sRGB	100 %
Adobe RGB 1998	99 %
NTSC 1953		78 %
Screen Brightness	350 cd/m²	440 cd/m²
Static Screen Contrast	1000 : 1	1200 : 1
Dynamic Screen Contrast	2000000 : 1	80000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	11 ms	27 ms
Display Minimum Response Time	8 ms	4 ms
Display Average Response Time		12 ms
Display Coating	Glossy
3D	No	No
Size, weight, color
Case Depth	1.89 in 4.8 cm 47.9 mm 0.16 ft	1.71 in 4.4 cm 43.5 mm 0.14 ft
Case Weight	7.14 kg 16 lbs
Case Width with Stand	25.09 in 63.7 cm 637.3 mm 2.09 ft	25.59 in 65 cm 650 mm 2.13 ft
Case Height with Stand	16.83 in 42.8 cm 427.6 mm 1.4 ft	17.11 in 43.5 cm 434.5 mm 1.43 ft
Case Depth with Stand	8.05 in 20.5 cm 204.5 mm 0.67 ft	9.06 in 23 cm 230 mm 0.75 ft
Case Weight with Stand	10 kg 22 lbs	8.2 kg 18 lbs
Case Color	Black, Silver	Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort (Input mini) 1 x DisplayPort (Output MST) 1 x 3.5 mm Audio Out 1 x SD Memory Card Slot 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x 3.5 mm Audio Out 3 x HDMI 2.0 2 x DisplayPort 1.2
Audio
Audio Speakers	2 x 16W	2 x 2W
Features
Cool Features		HDCP (High-bandwidth Digital Content Protection) Low Blue Light Picture-in-Picture Picture-by-Picture EcoModes Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.09 in 63.7 cm 637.3 mm 2.09 ft	25.59 in 65 cm 650 mm 2.13 ft
Case Height	15.14 in 38.5 cm 384.6 mm 1.26 ft	16.26 in 41.3 cm 413 mm 1.35 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	115 mm 11.5 cm 4.5276 in 0.3773 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	0 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	45 °
Right Swivel	45 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	2 °
Backward Tilt	21 °	17 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 60 Hz	55 Hz - 75 Hz
Horizontal Digital Frequency	31 kHz - 180 kHz	30 kHz - 180 kHz
Accessories
Extras	DisplayPort cable DisplayPort cable - mini-DP to DP DisplayPort cable - mini-DP to mini-DP Factory calibration report USB 3.0 upstream cable	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays	CE ENERGY STAR PSE TÜV/GS VCCI-B
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 35 °C 32 °F - 95 °F	5 °C - 35 °C 41 °F - 95 °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 UP2715K

Iiyama ProLite XB2779QQS-S1