Comparison between ViewSonic VA2855smh vs HP ZR2440w

General Info
Model Number	ViewSonic VA2855smh	HP ZR2440w

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Type	Monitor	Monitor
Year	2014	2011
Brand	ViewSonic	HP
Model Number	VA2855smh	ZR2440w
Alias		XW477A4 XW477A8
Display
Screen Size Class	28" (inches)	24" (inches)
Diagonal Size	28 in 71.1 cm 711.2 mm 2.33 ft	24 in 61 cm 609.6 mm 2 ft
Screen Width	24.45 in 62.1 cm 620.928 mm 2.04 ft	20.41 in 51.8 cm 518.4 mm 1.7 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	12.76 in 32.4 cm 324 mm 1.06 ft
Display Manufacturer	Innolux	LG Display
Display Type	MVA	e-IPS
Display Bit Depth	8 bits	8 bits (6 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:10
Screen Resolution	1920 x 1080	1920 x 1200
Screen Pixel Pitch	0.323 mm	0.27 mm
Screen Pixel Density	78 ppi	94 ppi
Screen-to-Body Ratio	82.15 %	81.21 %
Backlight Source	W-LED	W-LED
sRGB		96 %
Adobe RGB 1998		74 %
NTSC 1953	72 %	71 %
Screen Brightness	300 cd/m²	350 cd/m²
Static Screen Contrast	3000 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 1
Screen Horizontal Viewing Angle	176 °	178 °
Screen Vertical Viewing Angle	176 °	178 °
Screen Input Lag		20 ms
Display Minimum Response Time	7 ms	6 ms
Display Average Response Time		14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	1.94 in 4.9 cm 49.3 mm 0.16 ft	2.4 in 6.1 cm 61 mm 0.2 ft
Case Weight	4.7 kg 10 lbs	4.9 kg 11 lbs
Case Width with Stand	25.97 in 66 cm 659.7 mm 2.16 ft	22.13 in 56.2 cm 562 mm 1.84 ft
Case Height with Stand	17.82 in 45.3 cm 452.6 mm 1.48 ft	16.89 in 42.9 cm 429 mm 1.41 ft
Case Depth with Stand	9.83 in 25 cm 249.7 mm 0.82 ft	9.25 in 23.5 cm 235 mm 0.77 ft
Case Weight with Stand	5.3 kg 12 lbs	7.6 kg 17 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub	1 x HDMI 1 x DisplayPort 1.2 1 x S/PDIF 1 x 3.5 mm Audio Out 1 x DVI-D Dual Link 4 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)
Audio
Audio Speakers	2 x 2W
Features
Cool Features	SuperClear Pro Blue Light Filter Flicker-free technology	DDC/CI HDCP (High-bandwidth Digital Content Protection)
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	25.97 in 66 cm 659.7 mm 2.16 ft	22.13 in 56.2 cm 562 mm 1.84 ft
Case Height	15.39 in 39.1 cm 391 mm 1.28 ft	14.49 in 36.8 cm 368 mm 1.21 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		0 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		45 °
Right Swivel		45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	23 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 75 Hz	24 Hz - 60 Hz
Horizontal Digital Frequency	24 kHz - 82 kHz	24 kHz - 80 kHz
Accessories
Extras	Audio cable D-sub cable	DisplayPort cable DVI-D cable
Certificates and Standards
Licenses	BSMI C-Tick CB CE cULus EAC / CU ENERGY STAR 6.0 ErP FCC class B PSB REACH RoHS TCO Certified Displays 6.0 TÜV/GS WEEE WHQL (Windows 8)	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)
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	20 % - 90 %	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 % - 90 %	5 % - 95 %
Max Operating Altitude	3048	5000
Max Storage Altitude	12192	12192

ViewSonic VA2855smh

HP ZR2440w