Product comparison · 2 memory modules

HP 4Gb DDR2 SDRAM (2 x 2GB) 800MHz vs HP 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC

Key differences

Memory layout (modules x size)
- 4Gb DDR2 SDRAM (2 x 2GB) 800MHz:2 x 2 GB
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:4 x 1 GB
Memory clock speed
- 4Gb DDR2 SDRAM (2 x 2GB) 800MHz:800 MHz
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:667 MHz
Memory type
- 4Gb DDR2 SDRAM (2 x 2GB) 800MHz:PC2-6400
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:PC2-5300

Differences highlightedShow differences only

Comparison of 4Gb DDR2 SDRAM (2 x 2GB) 800MHz, 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC
7 specifications	A HP 4Gb DDR2 SDRAM (2 x 2GB) 800MHz View product	B HP 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC View product
Features3 differ
Memory layout (modules x size)Differs	2 x 2 GB	4 x 1 GB
ECCKnown for one	Unknown — not stated by the source	Yes
Memory clock speedDiffers	800 MHz	667 MHz
Memory typeDiffers	PC2-6400	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.