Product comparison · 2 monitors

Viewsonic LCD Display VA521 vs Viewsonic LCD Display VA721

24specifications compared
18differ
6identical
1known for one product only

Key differences

Display diagonal
- LCD Display VA521:38.1 cm (15")
- LCD Display VA721:43.2 cm (17")
Display resolution
- LCD Display VA521:1024 x 768 pixels
- LCD Display VA721:1280 x 1024 pixels
Display brightness (typical)
- LCD Display VA521:250 cd/m²
- LCD Display VA721:300 cd/m²
Contrast ratio (typical)
- LCD Display VA521:400:1
- LCD Display VA721:450:1
Viewing angle, horizontal
- LCD Display VA521:120°
- LCD Display VA721:170°
Viewing angle, vertical
- LCD Display VA521:100°
- LCD Display VA721:170°
Horizontal scan range
- LCD Display VA521:30 - 62 kHz
- LCD Display VA721:30 - 80 kHz
Vertical scan range
- LCD Display VA521:50 - 75 Hz
- LCD Display VA721:50 - 85 Hz

Side by side

Differences highlightedShow differences only

Comparison of LCD Display VA521, LCD Display VA721
25 specifications	A Viewsonic LCD Display VA521 View product	B Viewsonic LCD Display VA721 View product
Display8 differ
Display diagonalDiffers	38.1 cm (15")	43.2 cm (17")
Display resolutionDiffers	1024 x 768 pixels	1280 x 1024 pixels
Touchscreen	No	No
Display brightness (typical)Differs	250 cd/m²	300 cd/m²
Response time	25 ms	25 ms
Contrast ratio (typical)Differs	400:1	450:1
Viewing angle, horizontalDiffers	120°	170°
Viewing angle, verticalDiffers	100°	170°
Horizontal scan rangeDiffers	30 - 62 kHz	30 - 80 kHz
Vertical scan rangeDiffers	50 - 75 Hz	50 - 85 Hz
Surface treatment	Anti-glare	Anti-glare
Ports & interfaces1 differ
I/O portsDiffers	Analog: 1 x 15-pin mini D-sub; Power: AC IN, AC to Head.	Analog: 1 x 15-pin mini D-sub attached cable; Power: 1 x 3-pin AC plug, (CEE22)
Power1 differ
Power consumption (typical)Differs	35 W	30 W
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Weight & dimensions4 differ
Width (without stand)Differs	343 mm	378 mm
Depth (without stand)Differs	168 mm	196 mm
Height (without stand)Differs	326 mm	374 mm
Weight (without stand)Differs	3 kg	4.5 kg
Packaging data1 differ
Package weightDiffers	4 kg	6.2 kg
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	ViewSonic Wizard software
Other features3 differ
CompatibilityDiffers	PC: VGA up to 1024x768; Mac: Power Mac G3/G4 1024x768	PC: VGA up to 1280x1024 non-interlaced, Mac: Power Mac G3/G4 1280x1024
Power requirementsDiffers	AC 100–240V	AC 100-240V, 50-60Hz
CertificationDiffers	UL, cUL, FCC-B, CB, CE, ENERGY, NOM, TUV/GS, TUV/ERGO (covers ISO13406-2 & MPR II), TCO’99, GOST-R + 20 original copies hygienic, SASO, PCBC, VCCI, BSMI, CCC, PSB, C-TICK, PSE (power adapter), Green Mark	UL, cUL, FCC-B, IC-B, CB Report, CE, NOM, TUV/GS, TUV/ERGO (covers ISO13406-2), TUV-S, TCO-99, EPA, GOST-R, PCT, SASO, PCBC, VCCI, BSMI, CCC, ENERGY STAR, ENERGY, PSB, C-TICK, Taiwan Green Mark
Supplied AC adapter type	LCD	LCD

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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