Product comparison · 2 memory modules

HP 1GB DDR2 1 x 1GB 800MHz vs HP 4Gb DDR2 SDRAM 667MHz ECC

Key differences

Internal memory
- 1GB DDR2 1 x 1GB 800MHz:1 GB
- 4Gb DDR2 SDRAM 667MHz ECC:4 GB
Memory layout (modules x size)
- 1GB DDR2 1 x 1GB 800MHz:1 x 1 GB
- 4Gb DDR2 SDRAM 667MHz ECC:2 x 2 GB
Memory form factor
- 1GB DDR2 1 x 1GB 800MHz:240-pin DIMM
- 4Gb DDR2 SDRAM 667MHz ECC:200-pin SO-DIMM
Memory clock speed
- 1GB DDR2 1 x 1GB 800MHz:800 MHz
- 4Gb DDR2 SDRAM 667MHz ECC:667 MHz
Memory type
- 1GB DDR2 1 x 1GB 800MHz:PC6400
- 4Gb DDR2 SDRAM 667MHz ECC:PC2-5300

Differences highlightedShow differences only

Comparison of 1GB DDR2 1 x 1GB 800MHz, 4Gb DDR2 SDRAM 667MHz ECC
7 specifications	A HP 1GB DDR2 1 x 1GB 800MHz View product	B HP 4Gb DDR2 SDRAM 667MHz ECC View product
Features5 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Differs	1 x 1 GB	2 x 2 GB
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
Memory clock speedDiffers	800 MHz	667 MHz
Memory typeDiffers	PC6400	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.