Product comparison · 2 monitors

Acer AL1951As 19" LCD analog TCO99 8ms vs Viewsonic Professional Series VP171b computer monitor

14specifications compared
10differ
4identical
11known for one product only

Key differences

The Acer AL1951As 19" LCD analog TCO99 8ms has 100 cd/m² more display brightness (typical) than the Viewsonic Professional Series VP171b computer monitor (400 cd/m² vs 300 cd/m²). The Acer AL1951As 19" LCD analog TCO99 8ms has 200 :1 more contrast ratio (typical) than the Viewsonic Professional Series VP171b computer monitor (700:1 vs 500:1). The Acer AL1951As 19" LCD analog TCO99 8ms has 10° more viewing angle, horizontal than the Viewsonic Professional Series VP171b computer monitor (150° vs 140°). Display diagonal: 45.7 cm (18") on the Acer AL1951As 19" LCD analog TCO99 8ms, 43.2 cm (17") on the Viewsonic Professional Series VP171b computer monitor.

Display diagonal
- AL1951As 19" LCD analog TCO99 8ms:45.7 cm (18")
- Professional Series VP171b computer monitor:43.2 cm (17")
Display brightness (typical)
- AL1951As 19" LCD analog TCO99 8ms:400 cd/m²
- Professional Series VP171b computer monitor:300 cd/m²
Contrast ratio (typical)
- AL1951As 19" LCD analog TCO99 8ms:700:1
- Professional Series VP171b computer monitor:500:1
Viewing angle, horizontal
- AL1951As 19" LCD analog TCO99 8ms:150°
- Professional Series VP171b computer monitor:140°
Viewing angle, vertical
- AL1951As 19" LCD analog TCO99 8ms:135°
- Professional Series VP171b computer monitor:130°
Power consumption (typical)
- AL1951As 19" LCD analog TCO99 8ms:50 W
- Professional Series VP171b computer monitor:33 W
Width (without stand)
- AL1951As 19" LCD analog TCO99 8ms:416.4 mm
- Professional Series VP171b computer monitor:371 mm
Depth (without stand)
- AL1951As 19" LCD analog TCO99 8ms:164 mm
- Professional Series VP171b computer monitor:55.3 mm

Side by side

Differences highlightedShow differences only

Comparison of AL1951As 19" LCD analog TCO99 8ms, VP171b
25 specifications	A Acer AL1951As 19" LCD analog TCO99 8ms View product	B Viewsonic Professional Series VP171b computer monitor Model VP171b View product
Display5 differ
Display diagonalDiffers	45.7 cm (18")	43.2 cm (17")
Display resolution	1280 x 1024 pixels	1280 x 1024 pixels
Touchscreen	No	No
Display brightness (typical)Differs	400 cd/m²	300 cd/m²
Response time	8 ms	8 ms
Contrast ratio (typical)Differs	700:1	500:1
Viewing angle, horizontalDiffers	150°	140°
Viewing angle, verticalDiffers	135°	130°
Horizontal scan rangeKnown for one	Unknown — not stated by the source	30 - 82 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	50 - 85 Hz
Pixel pitchKnown for one	0.294	Unknown — not stated by the source
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Business
Product colourKnown for one	Unknown — not stated by the source	Black
Power1 differ
Power consumption (typical)Differs	50 W	33 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions4 differ
Width (without stand)Differs	416.4 mm	371 mm
Depth (without stand)Differs	164 mm	55.3 mm
Height (without stand)Differs	427.4 mm	309 mm
Weight (without stand)Differs	5.4 kg	6.5 kg
Other featuresidentical
Supplied AC adapter type	LCD	LCD
CertificationKnown for one	TCO99	Unknown — not stated by the source
Speakers and microphoneKnown for one	2X1.1W Speakers	Unknown — not stated by the source
Ergonomicsidentical
Panel mounting interfaceKnown for one	100 x 100 mm	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source

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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