Product comparison · 2 memory modules

Lenovo 1GB DDR vs Lenovo 256MB SDRAM DIMM

9specifications compared
5differ
4identical
4known for one product only

Key differences

Internal memory
- 1GB DDR:1 GB
- 256MB SDRAM DIMM:0.25 GB
Memory form factor
- 1GB DDR:200-pin SO-DIMM
- 256MB SDRAM DIMM:168-pin DIMM
CAS latency
- 1GB DDR:2.5
- 256MB SDRAM DIMM:2
Width
- 1GB DDR:67.6 mm
- 256MB SDRAM DIMM:133.4 mm
Depth
- 1GB DDR:31.7 mm
- 256MB SDRAM DIMM:35.7 mm

Side by side

Differences highlightedShow differences only

Comparison of 1GB DDR, 256MB SDRAM DIMM
13 specifications	A Lenovo 1GB DDR View product	B Lenovo 256MB SDRAM DIMM View product
Features3 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Memory form factorDiffers	200-pin SO-DIMM	168-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	2.5	2
Lead plating	Gold	Gold
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Operational conditionsidentical
Operating temperature (T-T)	0 - 65 °C	0 - 65 °C
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	67.6 mm	133.4 mm
DepthDiffers	31.7 mm	35.7 mm
Height	3.8 mm	3.8 mm
Other featuresidentical
Data transfer rateKnown for one	2100 Mbit/s	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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