Product comparison · 2 memory modules

HP 4Gb DDR2 SDRAM 667MHz ECC vs HP 512MB DDR-167

5specifications compared
4differ
1identical
3known for one product only

Key differences

Internal memory
- 4Gb DDR2 SDRAM 667MHz ECC:4 GB
- 512MB DDR-167:0.5 GB
Memory layout (modules x size)
- 4Gb DDR2 SDRAM 667MHz ECC:2 x 2 GB
- 512MB DDR-167:1 x 0.5 GB
Internal memory type
- 4Gb DDR2 SDRAM 667MHz ECC:DDR2
- 512MB DDR-167:DDR
Memory clock speed
- 4Gb DDR2 SDRAM 667MHz ECC:667 MHz
- 512MB DDR-167:167 MHz

Side by side

Differences highlightedShow differences only

Comparison of 4Gb DDR2 SDRAM 667MHz ECC, 512MB DDR-167
8 specifications	A HP 4Gb DDR2 SDRAM 667MHz ECC View product	B HP 512MB DDR-167 View product
Features4 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 0.5 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
Memory clock speedDiffers	667 MHz	167 MHz
Memory typeKnown for one	PC2-5300	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop

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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