Product comparison · 2 memory modules

HP 1GB DDR2 2 x 512MB 667MHz ECC vs HP 4Gb DDR2 SDRAM 667MHz ECC

6specifications compared
3differ
3identical
2known for one product only

Key differences

Internal memory
- 1GB DDR2 2 x 512MB 667MHz ECC:1 GB
- 4Gb DDR2 SDRAM 667MHz ECC:4 GB
Memory layout (modules x size)
- 1GB DDR2 2 x 512MB 667MHz ECC:2 x 0.5 GB
- 4Gb DDR2 SDRAM 667MHz ECC:2 x 2 GB
Memory form factor
- 1GB DDR2 2 x 512MB 667MHz ECC:240-pin DIMM
- 4Gb DDR2 SDRAM 667MHz ECC:200-pin SO-DIMM

Side by side

Differences highlightedShow differences only

Comparison of 1GB DDR2 2 x 512MB 667MHz ECC, 4Gb DDR2 SDRAM 667MHz ECC
8 specifications	A HP 1GB DDR2 2 x 512MB 667MHz ECC View product	B HP 4Gb DDR2 SDRAM 667MHz ECC View product
Features3 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Differs	2 x 0.5 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECC	Yes	Yes
Memory clock speed	667 MHz	667 MHz
Memory typeKnown for one	Unknown — not stated by the source	PC2-5300
Other featuresidentical
Number of pinsKnown for one	240	Unknown — not stated by the source

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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