Product comparison · 2 memory modules

Dell 2GB DDR2 667 vs Dell 4GB PC2-6400

8specifications compared
5differ
3identical
4known for one product only

Key differences

Internal memory
- 2GB DDR2 667:2 GB
- 4GB PC2-6400:4 GB
Memory layout (modules x size)
- 2GB DDR2 667:1 x 2 GB
- 4GB PC2-6400:1 x 4 GB
ECC
- 2GB DDR2 667:Yes
- 4GB PC2-6400:No
Memory clock speed
- 2GB DDR2 667:667 MHz
- 4GB PC2-6400:800 MHz
Module configuration
- 2GB DDR2 667:256M X 72
- 4GB PC2-6400:512M x 64

Side by side

Differences highlightedShow differences only

Comparison of 2GB DDR2 667, 4GB PC2-6400
12 specifications	A Dell 2GB DDR2 667 View product	B Dell 4GB PC2-6400 View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory type	DDR2	DDR2
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
Memory clock speedDiffers	667 MHz	800 MHz
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Module configurationDiffers	256M X 72	512M x 64
Memory typeKnown for one	Unknown — not stated by the source	PC2-6400
Memory rankingKnown for one	2	Unknown — not stated by the source
Packaging dataidentical
Package type	DIMM	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.

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