Product comparison · 2 memory modules

Dell 4GB DDR2 667 vs HP 2GB DDR SDRAM

6specifications compared
5differ
1identical
5known for one product only

Key differences

Internal memory
- 4GB DDR2 667:4 GB
- 2GB DDR SDRAM:2 GB
Internal memory type
- 4GB DDR2 667:DDR2
- 2GB DDR SDRAM:DDR
Memory form factor
- 4GB DDR2 667:240-pin DIMM
- 2GB DDR SDRAM:184-pin DIMM
Memory clock speed
- 4GB DDR2 667:667 MHz
- 2GB DDR SDRAM:266 MHz
Buffered memory type
- 4GB DDR2 667:Fully buffered
- 2GB DDR SDRAM:Registered (buffered)

Side by side

Differences highlightedShow differences only

Comparison of 4GB DDR2 667, 2GB DDR SDRAM
11 specifications	A Dell 4GB DDR2 667 View product	B HP 2GB DDR SDRAM View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
ECC	Yes	Yes
CAS latencyKnown for one	Unknown — not stated by the source	2.5
Memory clock speedDiffers	667 MHz	266 MHz
Buffered memory typeDiffers	Fully buffered	Registered (buffered)
Memory voltageKnown for one	Unknown — not stated by the source	2.5 V
Memory layout (modules x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Module configurationKnown for one	512M x 72	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	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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