Product comparison · 2 memory modules

Lenovo IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD) vs Lenovo Memory 256MB PC2100 DDR SDRAM DIMM

Key differences

Internal memory
- IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):1 GB
- Memory 256MB PC2100 DDR SDRAM DIMM:0.25 GB
Internal memory type
- IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):DDR2
- Memory 256MB PC2100 DDR SDRAM DIMM:DDR
CAS latency
- IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):4
- Memory 256MB PC2100 DDR SDRAM DIMM:2.5
Memory clock speed
- IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):533 MHz
- Memory 256MB PC2100 DDR SDRAM DIMM:266 MHz
Height
- IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):4 mm
- Memory 256MB PC2100 DDR SDRAM DIMM:3.8 mm

Differences highlightedShow differences only

Comparison of IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD), Memory 256MB PC2100 DDR SDRAM DIMM
13 specifications	A Lenovo IBM MEMORY 1GB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD)View product	B Lenovo Memory 256MB PC2100 DDR SDRAM DIMM View product
Features4 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factor	200-pin SO-DIMM	200-pin SO-DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latencyDiffers	4	2.5
Memory clock speedDiffers	533 MHz	266 MHz
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Weight & dimensions1 differ
Width	68 mm	68 mm
Depth	32 mm	32 mm
HeightDiffers	4 mm	3.8 mm
WeightKnown for one	Unknown — not stated by the source	15 g

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.