Comparison between HP Z27i vs Dell UltraSharp U2711

General Info
Model Number	HP Z27i	Dell UltraSharp U2711

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Type	Monitor	Monitor
Year	2013	2010
Brand	HP	Dell
Model Number	Z27i	UltraSharp U2711
Alias	D7P92A4 D7P92A8 D7P92AS D7P92AT
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer	LG Display	LG Display
Display Type	AH-IPS	H-IPS
Display Bit Depth	8 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	2560 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	82.41 %	80.31 %
Backlight Source	W-LED	CCFL
sRGB	99 %	100 %
Adobe RGB 1998	72 %	96 %
NTSC 1953		102 %
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	5000000 : 1	8000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	35 ms	25 ms
Display Minimum Response Time	8 ms	6 ms
Display Average Response Time	12 ms	14 ms
Display Maximum Response Time	17 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.58 in 6.6 cm 65.5 mm 0.21 ft	3.66 in 9.3 cm 93 mm 0.31 ft
Case Weight	5.3 kg 12 lbs	7.72 kg 17 lbs
Case Width with Stand	25.24 in 64.1 cm 641 mm 2.1 ft	25.46 in 64.7 cm 646.71 mm 2.12 ft
Case Height with Stand	16.55 in 42 cm 420.4 mm 1.38 ft	16.84 in 42.8 cm 427.83 mm 1.4 ft
Case Depth with Stand	9.54 in 24.2 cm 242.4 mm 0.8 ft	7.87 in 20 cm 199.95 mm 0.66 ft
Case Weight with Stand	9.8 kg 22 lbs	10.46 kg 23 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x DisplayPort 1.2 1 x D-sub 1 x 3.5 mm Audio Out 1 x DVI-D Dual Link 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x HDMI 1 x DisplayPort 1.2 1 x D-sub 1 x AV Component In (YPbPr + L/R) 1 x AV Composite In (Video + L/R) 2 x DVI-D Dual Link 4 x USB 2.0 (downstream) 3 x 3.5 mm Audio Out 1 x USB 2.0 (upstream)
Audio
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Picture-in-Picture DDC/CI EcoModes	DDC/CI HDCP (High-bandwidth Digital Content Protection)
Extra Features	Security lock slot
Ergonomics
Case Width	25.24 in 64.1 cm 641 mm 2.1 ft	25.46 in 64.7 cm 646.71 mm 2.12 ft
Case Height	14.93 in 37.9 cm 379.2 mm 1.24 ft	15.18 in 38.6 cm 385.67 mm 1.27 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	120 mm 12 cm 4.7244 in 0.3937 ft	90 mm 9 cm 3.5433 in 0.2953 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	40 °
Right Swivel	45 °	40 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	4 °
Backward Tilt	20 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 76 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency	24 kHz - 94 kHz	30 kHz - 89 kHz
Accessories
Extras	DisplayPort cable DVI-D cable USB 3.0 upstream cable	D-sub cable DisplayPort cable DVI-D cable USB 2.0 upstream cable
Certificates and Standards
Licenses	BSMI C-Tick CB CCC CE CECP CEL Grade 1 EAC ENERGY STAR EPA Epeat Gold/Silver (market dependent) FCC Class B ICE ISC KC KCC NOM PSB SEPA TCO EDGE TÜV/S VCCI-B WHQL (Windows 8; Windows 7)	ENERGY STAR 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	20 % - 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 % - 95 %	5 % - 90 %
Max Operating Altitude	5000	3048
Max Storage Altitude	12192	10668

HP Z27i

Dell UltraSharp U2711