Comparison between HP DreamColor Z27x vs ViewSonic VP2785-4K

General Info
Model Number	HP DreamColor Z27x	ViewSonic VP2785-4K

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2017
Brand	HP	ViewSonic
Model Number	DreamColor Z27x	VP2785-4K
Alias	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 685.9 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.74 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.21 in 33.6 cm 335.66 mm 1.1 ft
Display Manufacturer	LG Display	LG Display
Display Type	AH-IPS	AH-IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Lut	14 bits	3D LUT 14 bits
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	3840 x 2160
Screen Pixel Pitch	0.233 mm	0.155 mm
Screen Pixel Density	109 ppi	163 ppi
Screen-to-Body Ratio	82.41 %	90.18 %
Backlight Source	GB-r LED	W-LED
DCI P3	99%	96.4%
Rec.2020	68
sRGB	100 %	100 %
Adobe RGB 1998	100 %	99 %
NTSC 1953		75.06 %
Screen Brightness	250 cd/m²	350 cd/m²
Static Screen Contrast	800 : 1	1000 : 1
Dynamic Screen Contrast		20000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	20 ms	30 ms
Display Minimum Response Time	7 ms	7 ms
Display Average Response Time	16 ms	14 ms
Display Maximum Response Time	24 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth	2.58 in 6.6 cm 65.5 mm 0.21 ft	2.27 in 5.8 cm 57.58 mm 0.19 ft
Case Weight	6.4 kg 14 lbs	3.92 kg 9 lbs
Case Width with Stand	25.24 in 64.1 cm 641 mm 2.1 ft	24.11 in 61.2 cm 612.4 mm 2.01 ft
Case Height with Stand	16.55 in 42 cm 420.4 mm 1.38 ft	21.48 in 54.6 cm 545.51 mm 1.79 ft
Case Depth with Stand	9.54 in 24.2 cm 242.4 mm 0.8 ft	8.46 in 21.5 cm 214.96 mm 0.71 ft
Case Weight with Stand	8.8 kg 19 lbs	6.4 kg 14 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Network	LAN
Connectivity	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)	1 x USB 3.1 (Type-C) 2 x HDMI 2.0 1 x DisplayPort 1.4 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 3 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)
Audio
Features
Cool Features	Picture-by-Picture Picture-in-Picture DDC/CI HDCP (High-bandwidth Digital Content Protection)	HDCP (High-bandwidth Digital Content Protection) Light sensor Picture-in-Picture Picture-by-Picture EcoModes Hardware calibration ready
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.24 in 64.1 cm 641 mm 2.1 ft	24.11 in 61.2 cm 612.4 mm 2.01 ft
Case Height	14.93 in 37.9 cm 379.2 mm 1.24 ft	14.28 in 36.3 cm 362.7 mm 1.19 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	130 mm 13 cm 5.1181 in 0.4265 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 °	60 °
Right Swivel	45 °	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 60 Hz	60 Hz
Horizontal Digital Frequency	24 kHz - 113 kHz
Accessories
Extras	DisplayPort cable DisplayPort cable - mini-DP to DP HDMI cable USB 3.0 cable	DisplayPort cable - mini-DP to DP HDMI cable USB 3.0 upstream cable
Certificates and Standards
Licenses	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)	CB CE CCC EAC / CU ENERGY STAR ErP FCC class B ICES-003 RoHS2 TCO Certified Displays WEEE
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 %	20 % - 90 %
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	12192

HP DreamColor Z27x

ViewSonic VP2785-4K