Product comparison · 2 memory modules

Kingston Technology 4GB DDR2-667MHz vs Kingston Technology System Specific Memory M25664J90S memory module

Key differences

Internal memory
- 4GB DDR2-667MHz:4 GB
- System Specific Memory M25664J90S memory module:2 GB
Memory layout (modules x size)
- 4GB DDR2-667MHz:2 x 2 GB
- System Specific Memory M25664J90S memory module:1 x 2 GB
Internal memory type
- 4GB DDR2-667MHz:DDR2
- System Specific Memory M25664J90S memory module:DDR3
Memory form factor
- 4GB DDR2-667MHz:240-pin DIMM
- System Specific Memory M25664J90S memory module:204-pin SO-DIMM
Memory ranking
- 4GB DDR2-667MHz:2
- System Specific Memory M25664J90S memory module:1

Differences highlightedShow differences only

Comparison of 4GB DDR2-667MHz, M25664J90S
15 specifications	A Kingston Technology 4GB DDR2-667MHz View product	B Kingston Technology System Specific Memory M25664J90S memory module Model M25664J90S View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 2 GB
Internal memory typeDiffers	DDR2	DDR3
Component forKnown for one	Unknown — not stated by the source	Laptop
Memory form factorDiffers	240-pin DIMM	204-pin SO-DIMM
CAS latencyKnown for one	Unknown — not stated by the source	9
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory rankingDiffers	2	1
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Module configurationKnown for one	Unknown — not stated by the source	256M x 64
Memory typeKnown for one	Unknown — not stated by the source	PC-10600
Lead platingKnown for one	Unknown — not stated by the source	Gold
ECCKnown for one	No	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	SO-DIMM

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.