Product comparison · 2 memory modules

HP 1Gb DDR2 SDRAM 2x512Mb 667MHz vs HP 4Gb DDR2 667MHz ECC

Key differences

Internal memory
- 1Gb DDR2 SDRAM 2x512Mb 667MHz:1 GB
- 4Gb DDR2 667MHz ECC:4 GB
Memory layout (modules x size)
- 1Gb DDR2 SDRAM 2x512Mb 667MHz:2 x 0.5 GB
- 4Gb DDR2 667MHz ECC:2 x 2 GB

Differences highlightedShow differences only

Comparison of 1Gb DDR2 SDRAM 2x512Mb 667MHz, 4Gb DDR2 667MHz ECC
7 specifications	A HP 1Gb DDR2 SDRAM 2x512Mb 667MHz View product	B HP 4Gb DDR2 667MHz ECC View product
Features2 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 factor	240-pin DIMM	240-pin DIMM
Memory clock speed	667 MHz	667 MHz
Memory typeKnown for one	PC2-5300	Unknown — not stated by the source
ECCKnown for one	Unknown — not stated by the source	Yes

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.