Product comparison · 2 memory modules

Lenovo Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM vs Lenovo Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM

Key differences

Internal memory type
- Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM:DDR
- Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM:DDR2
CAS latency
- Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM:2.5
- Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM:4
Memory clock speed
- Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM:266 MHz
- Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM:533 MHz
Width
- Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM:68 mm
- Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM:67.6 mm
Depth
- Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM:32 mm
- Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM:31.7 mm

Differences highlightedShow differences only

Comparison of Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM, Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM
13 specifications	A Lenovo Memory 128MB PC2100 CL2.5 DDR SDRAM SODIMM View product	B Lenovo Memory 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM View product
Features3 differ
Internal memoryKnown for one	Unknown — not stated by the source	2 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorKnown for one	Unknown — not stated by the source	200-pin SO-DIMM
ECC	Yes	Yes
CAS latencyDiffers	2.5	4
Memory clock speedDiffers	266 MHz	533 MHz
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)	0 - 65 °C	0 - 65 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Weight & dimensions2 differ
WidthDiffers	68 mm	67.6 mm
DepthDiffers	32 mm	31.7 mm
Height	3.8 mm	3.8 mm
Other featuresidentical
Number of pins	200	200

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.