Comparison between HP Z27i vs HP DreamColor Z27x

General Info
Model Number	HP Z27i	HP DreamColor Z27x

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2013	2014
Brand	HP	HP
Model Number	Z27i	DreamColor Z27x
Alias	D7P92A4 D7P92A8 D7P92AS D7P92AT	D7R00A8
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	AH-IPS
Display Bit Depth	8 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	Yes
Lut		14 bits
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 %	82.41 %
Backlight Source	W-LED	GB-r LED
DCI P3		99%
Rec.2020		68
sRGB	99 %	100 %
Adobe RGB 1998	72 %	100 %
Screen Brightness	350 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	800 : 1
Dynamic Screen Contrast	5000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	35 ms	20 ms
Display Minimum Response Time	8 ms	7 ms
Display Average Response Time	12 ms	16 ms
Display Maximum Response Time	17 ms	24 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	2.58 in 6.6 cm 65.5 mm 0.21 ft	2.58 in 6.6 cm 65.5 mm 0.21 ft
Case Weight	5.3 kg 12 lbs	6.4 kg 14 lbs
Case Width with Stand	25.24 in 64.1 cm 641 mm 2.1 ft	25.24 in 64.1 cm 641 mm 2.1 ft
Case Height with Stand	16.55 in 42 cm 420.4 mm 1.38 ft	16.55 in 42 cm 420.4 mm 1.38 ft
Case Depth with Stand	9.54 in 24.2 cm 242.4 mm 0.8 ft	9.54 in 24.2 cm 242.4 mm 0.8 ft
Case Weight with Stand	9.8 kg 22 lbs	8.8 kg 19 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Network		LAN
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 USB 3.0 (upstream) 1 x Ethernet RJ45 2 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x S/PDIF 1 x HDMI 1.4 2 x USB 2.0 (downstream) 4 x USB 3.0 (downstream)
Audio
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Picture-in-Picture DDC/CI EcoModes	Picture-by-Picture Picture-in-Picture DDC/CI HDCP (High-bandwidth Digital Content Protection)
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	25.24 in 64.1 cm 641 mm 2.1 ft	25.24 in 64.1 cm 641 mm 2.1 ft
Case Height	14.93 in 37.9 cm 379.2 mm 1.24 ft	14.93 in 37.9 cm 379.2 mm 1.24 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	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	0 °
Right Pivot	90 °	90 °
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 °	5 °
Backward Tilt	20 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 76 Hz	24 Hz - 60 Hz
Horizontal Digital Frequency	24 kHz - 94 kHz	24 kHz - 113 kHz
Accessories
Extras	DisplayPort cable DVI-D cable USB 3.0 upstream cable	DisplayPort cable DisplayPort cable - mini-DP to DP HDMI cable USB 3.0 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)	BSMI C-Tick CB CCC CE CEL EAC ENERGY STAR EPA FCC Class B ICE ISC KC KCC NOM PSB SEPA TÜV/S VCCI-B WHQL (Windows 8; Windows 7)
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	20 % - 80 %	20 % - 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 % - 95 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

HP Z27i

HP DreamColor Z27x