Product comparison · 2 monitors

Lenovo ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor vs Viewsonic VA912 LCD Monitor

20specifications compared
16differ
4identical
27known for one product only

Key differences

The Lenovo ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor has 20 cd/m² more display brightness (typical) than the Viewsonic VA912 LCD Monitor (270 cd/m² vs 250 cd/m²). The Viewsonic VA912 LCD Monitor has 100 :1 more contrast ratio (typical) than the Lenovo ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor (600:1 vs 500:1). The Viewsonic VA912 LCD Monitor has 10° more viewing angle, horizontal than the Lenovo ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor (150° vs 140°). Display diagonal: 43.2 cm (17") on the Lenovo ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor, 48.3 cm (19") on the Viewsonic VA912 LCD Monitor. Horizontal scan range: 30 - 83 kHz on the Lenovo ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor, 30 - 82 kHz on the Viewsonic VA912 LCD Monitor.

Display diagonal
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:43.2 cm (17")
- VA912 LCD Monitor:48.3 cm (19")
Display brightness (typical)
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:270 cd/m²
- VA912 LCD Monitor:250 cd/m²
Contrast ratio (typical)
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:500:1
- VA912 LCD Monitor:600:1
Viewing angle, horizontal
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:140°
- VA912 LCD Monitor:150°
Viewing angle, vertical
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:135°
- VA912 LCD Monitor:160°
Pixel pitch
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:0.264
- VA912 LCD Monitor:0.294
Horizontal scan range
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:30 - 83 kHz
- VA912 LCD Monitor:30 - 82 kHz
Vertical scan range
- ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor:55 - 75 Hz
- VA912 LCD Monitor:50 - 85 Hz

Side by side

Differences highlightedShow differences only

Comparison of ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor, VA912 LCD Monitor
47 specifications	A Lenovo ThinkVision L171 17.0in Analogue TFT LCD TCO-99 Business Black Monitor View product	B Viewsonic VA912 LCD Monitor View product
Display8 differ
Display diagonalDiffers	43.2 cm (17")	48.3 cm (19")
Display brightness (typical)Differs	270 cd/m²	250 cd/m²
Contrast ratio (typical)Differs	500:1	600:1
Viewing angle, horizontalDiffers	140°	150°
Viewing angle, verticalDiffers	135°	160°
Pixel pitchDiffers	0.264	0.294
Horizontal scan rangeDiffers	30 - 83 kHz	30 - 82 kHz
Vertical scan rangeDiffers	55 - 75 Hz	50 - 85 Hz
Viewable size, horizontalKnown for one	34 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	27.2 cm	Unknown — not stated by the source
Viewable size diagonalKnown for one	43.2 cm	Unknown — not stated by the source
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Designidentical
Market positioningKnown for one	Business	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Ports & interfacesidentical
USB Type-A downstream ports quantityKnown for one	Unknown — not stated by the source	0
DVI-D ports quantityKnown for one	Unknown — not stated by the source	1
DVI-I ports quantityKnown for one	Unknown — not stated by the source	0
Microphone inKnown for one	Unknown — not stated by the source	Yes
Ergonomics1 differ
Panel mounting interfaceKnown for one	100 x 100 mm	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Tilt angle rangeDiffers	-4 - 30°	5 - 20°
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
ErgonomicsKnown for one	ISO 13406 Part 2	Unknown — not stated by the source
Cable lengthKnown for one	1.8 m	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	40 W	60 W
Power consumption (standby)Differs	2 W	3 W
Operational conditions2 differ
Operating temperature (T-T)Differs	10 - 35 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	10 - 80%	10 - 90%
Weight & dimensions1 differ
Width (without stand)Known for one	367 mm	Unknown — not stated by the source
Depth (without stand)Known for one	170 mm	Unknown — not stated by the source
Height (without stand)Known for one	384 mm	Unknown — not stated by the source
Weight (without stand)Differs	4.6 kg	5.5 kg
Width (with stand)Known for one	Unknown — not stated by the source	424 mm
Depth (with stand)Known for one	Unknown — not stated by the source	186 mm
Height (with stand)Known for one	Unknown — not stated by the source	442 mm
Other features2 differ
Power managementDiffers	ENERGY STAR	TCO'99
CertificationDiffers	TCO-99, MPR-III	CE, CB, TUV/GS, TUV/ERGO, ISO13406-2 (II), TCO'99, UL, cUL, FCC-B, ENERGY, NOM, TUV-S, MPR II, GOST-R + 20 original copies hygienic, PCBC, VCCI, BSMI, CCC, PSB, C-TICK
CompatibilityKnown for one	Unknown — not stated by the source	PC/Mac
Monitor sync input signalKnown for one	Unknown — not stated by the source	H/V (TTL)
Power requirementsKnown for one	Unknown — not stated by the source	AC 100–240V, 50/60Hz
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	LCD
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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