Product comparison · 2 monitors

Lenovo ThinkVision LS2251 computer monitor vs Lenovo ThinkVision LS2421p computer monitor

53specifications compared
11differ
42identical
23known for one product only

Key differences

Display diagonal
- ThinkVision LS2251 computer monitor:55.9 cm (22")
- ThinkVision LS2421p computer monitor:59.9 cm (23.6")
Display resolution
- ThinkVision LS2251 computer monitor:1680 x 1050 pixels
- ThinkVision LS2421p computer monitor:1920 x 1080 pixels
Native aspect ratio
- ThinkVision LS2251 computer monitor:16:10
- ThinkVision LS2421p computer monitor:16:9
Display brightness (typical)
- ThinkVision LS2251 computer monitor:250 cd/m²
- ThinkVision LS2421p computer monitor:300 cd/m²
Aspect ratio
- ThinkVision LS2251 computer monitor:16:10
- ThinkVision LS2421p computer monitor:16:9
Pixel pitch
- ThinkVision LS2251 computer monitor:0.282 x 0.282 mm
- ThinkVision LS2421p computer monitor:0.2715 x 0.2715 mm
Viewable size diagonal
- ThinkVision LS2251 computer monitor:55.8 cm
- ThinkVision LS2421p computer monitor:59.8 cm
Power consumption (typical)
- ThinkVision LS2251 computer monitor:25 W
- ThinkVision LS2421p computer monitor:30 W

Side by side

Differences highlightedShow differences only

Comparison of LS2251, LS2421p
76 specifications	A Lenovo ThinkVision LS2251 computer monitor Model LS2251 View product	B Lenovo ThinkVision LS2421p computer monitor Model LS2421p View product
Display8 differ
Display diagonalDiffers	55.9 cm (22")	59.9 cm (23.6")
Display resolutionDiffers	1680 x 1050 pixels	1920 x 1080 pixels
Native aspect ratioDiffers	16:10	16:9
Display brightness (typical)Differs	250 cd/m²	300 cd/m²
Supported graphics resolutionsDiffers	640 x 350, 832 x 624, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1440 x 900 (WXGA+), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 640 x 480 (VGA), 800 x 600 (SVGA)	1920 x 1080 (HD 1080)
Aspect ratioDiffers	16:10	16:9
Pixel pitchDiffers	0.282 x 0.282 mm	0.2715 x 0.2715 mm
Viewable size, horizontalKnown for one	47.4 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	29.6 cm	Unknown — not stated by the source
Viewable size diagonalDiffers	55.8 cm	59.8 cm
Separate H/V syncKnown for one	Yes	Unknown — not stated by the source
HD typeKnown for one	Unknown — not stated by the source	Full HD
Backlight typeKnown for one	Unknown — not stated by the source	W-LED
Supported video modesKnown for one	Unknown — not stated by the source	1080p
3DKnown for one	Unknown — not stated by the source	No
Performance1 differ
Windows operating systems supportedDiffers	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Wi	Yes
Multimediaidentical
Built-in speaker(s)Known for one	No	Unknown — not stated by the source
Ergonomicsidentical
Tilt angle rangeKnown for one	-5 - 20°	Unknown — not stated by the source
Number of OSD languagesKnown for one	8	Unknown — not stated by the source
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power consumption (typical)Differs	25 W	30 W
Operational conditionsidentical
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 2438 m	Unknown — not stated by the source
Weight & dimensionsidentical
Bezel width (side)Known for one	2.44 cm	Unknown — not stated by the source
Other features1 differ
CertificationDiffers	ISO, FCC, TCO, RoHS	TCO 5.2
Dimensions (W x D x H) (imperial)Known for one	570 x 179.8 x 415 mm (22.4 x 7.08 x 16.3")	Unknown — not stated by the source
Box depth (imperial)Known for one	15 cm (5.9")	Unknown — not stated by the source
Box height (imperial)Known for one	49.2 cm (19.4")	Unknown — not stated by the source
Programmable eventsKnown for one	Unknown — not stated by the source	20
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	0
Compliance industry standardsKnown for one	Unknown — not stated by the source	HDMI 1.3
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	LED
Networkidentical
Ethernet LANKnown for one	Unknown — not stated by the source	No

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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