Product comparison · 2 memory modules

HP 2Gb DDR2 533MHz 2x1Gb vs HP 4Gb DDR2 SDRAM 667MHz ECC

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

Key differences

Internal memory
- 2Gb DDR2 533MHz 2x1Gb:2 GB
- 4Gb DDR2 SDRAM 667MHz ECC:4 GB
Memory layout (modules x size)
- 2Gb DDR2 533MHz 2x1Gb:2 x 1 GB
- 4Gb DDR2 SDRAM 667MHz ECC:2 x 2 GB
Memory form factor
- 2Gb DDR2 533MHz 2x1Gb:240-pin DIMM
- 4Gb DDR2 SDRAM 667MHz ECC:200-pin SO-DIMM
Memory clock speed
- 2Gb DDR2 533MHz 2x1Gb:533 MHz
- 4Gb DDR2 SDRAM 667MHz ECC:667 MHz
Memory type
- 2Gb DDR2 533MHz 2x1Gb:PC2-4200
- 4Gb DDR2 SDRAM 667MHz ECC:PC2-5300

Side by side

Differences highlightedShow differences only

Comparison of 2Gb DDR2 533MHz 2x1Gb, 4Gb DDR2 SDRAM 667MHz ECC
7 specifications	A HP 2Gb DDR2 533MHz 2x1Gb View product	B HP 4Gb DDR2 SDRAM 667MHz ECC View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 1 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
Memory clock speedDiffers	533 MHz	667 MHz
Memory typeDiffers	PC2-4200	PC2-5300

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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