Product comparison · 2 monitors

Lenovo ThinkVision D221 vs Lenovo ThinkVision L171, Black

22specifications compared
13differ
9identical
25known for one product only

Key differences

Display diagonal
- ThinkVision D221:55.9 cm (22")
- ThinkVision L171, Black:43.2 cm (17")
Display resolution
- ThinkVision D221:1680 x 1050 pixels
- ThinkVision L171, Black:1280 x 1024 pixels
Display brightness (typical)
- ThinkVision D221:300 cd/m²
- ThinkVision L171, Black:270 cd/m²
Response time
- ThinkVision D221:5 ms
- ThinkVision L171, Black:8 ms
Contrast ratio (typical)
- ThinkVision D221:700:1
- ThinkVision L171, Black:500:1
Viewing angle, horizontal
- ThinkVision D221:160°
- ThinkVision L171, Black:140°
Viewing angle, vertical
- ThinkVision D221:160°
- ThinkVision L171, Black:135°
Pixel pitch
- ThinkVision D221:0.28
- ThinkVision L171, Black:0.264

Side by side

Differences highlightedShow differences only

Comparison of ThinkVision D221, ThinkVision L171, Black
47 specifications	A Lenovo ThinkVision D221 View product	B Lenovo ThinkVision L171, Black View product
Display10 differ
Display diagonalDiffers	55.9 cm (22")	43.2 cm (17")
Display resolutionDiffers	1680 x 1050 pixels	1280 x 1024 pixels
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Display brightness (typical)Differs	300 cd/m²	270 cd/m²
Response timeDiffers	5 ms	8 ms
Aspect ratioKnown for one	16:10	Unknown — not stated by the source
Contrast ratio (typical)Differs	700:1	500:1
Viewing angle, horizontalDiffers	160°	140°
Viewing angle, verticalDiffers	160°	135°
Pixel pitchDiffers	0.28	0.264
Viewable size, horizontalDiffers	47.4 cm	34 cm
Viewable size, verticalDiffers	29.6 cm	27.2 cm
Viewable size diagonalKnown for one	55.9 cm	Unknown — not stated by the source
Horizontal scan rangeKnown for one	Unknown — not stated by the source	30 - 83 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	55 - 75 Hz
Ports & interfacesidentical
USB Type-A downstream ports quantityKnown for one	0	Unknown — not stated by the source
DVI-D ports quantityKnown for one	1	Unknown — not stated by the source
DVI-I ports quantityKnown for one	0	Unknown — not stated by the source
Microphone inKnown for one	No	Unknown — not stated by the source
Ergonomics1 differ
Tilt angle rangeDiffers	Yes	4 - 30°
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Cable lengthKnown for one	Unknown — not stated by the source	1.8 m
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 45 °C	10 - 35 °C
Weight & dimensionsidentical
Width (with stand)Known for one	515 mm	Unknown — not stated by the source
Depth (with stand)Known for one	240 mm	Unknown — not stated by the source
Height (with stand)Known for one	406 mm	Unknown — not stated by the source
Weight (with stand)Known for one	6.2 kg	Unknown — not stated by the source
Width (without stand)Known for one	Unknown — not stated by the source	367 mm
Depth (without stand)Known for one	Unknown — not stated by the source	162 mm
Height (without stand)Known for one	Unknown — not stated by the source	382 mm
Weight (without stand)Known for one	Unknown — not stated by the source	4.6 kg
Packaging dataidentical
Package dimensions (WxDxH)Known for one	607 x 205 x 495 mm	Unknown — not stated by the source
Package weightKnown for one	8.2 kg	Unknown — not stated by the source
Other features1 differ
CertificationDiffers	TCO'99, MPR-III, Energy Star, PSB, South Africa, SASO, SEMKO, TUV, TUV-S Argentina, UL, VCCI Class B, NEMKO, NOM, Microsoft Logo, MIC, MPR-II, New Zealand, JEITA, EU Directive 2002/96/EC-WEEE, FCC Class B, FIMKO, GOST, IC, IEC-950 CB Report, ISO/DIS 13406 Part 2, Jordon, Australian, BSMI, CCC, CE MA	TCO'99
Minimum system requirementsKnown for one	Unknown — not stated by the source	-Microsoft Windows 2000 -Microsoft Windows XP
Power managementKnown for one	Unknown — not stated by the source	ENERGY STAR
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	40 W
Power consumption (standby)Known for one	Unknown — not stated by the source	2 W

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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