Product comparison · 2 memory modules

HP 4Gb DDR2 SDRAM 2x2Gb 667MHz ECC vs HP 512Mb DDR2 667MHz ECC

6specifications compared
2differ
4identical
1known for one product only

Key differences

The HP 4Gb DDR2 SDRAM 2x2Gb 667MHz ECC has 3.5 GB more internal memory than the HP 512Mb DDR2 667MHz ECC (4 GB vs 0.5 GB). Memory layout (modules x size): 2 x 2 GB on the HP 4Gb DDR2 SDRAM 2x2Gb 667MHz ECC, 1 x 0.5 GB on the HP 512Mb DDR2 667MHz ECC.

Internal memory
- 4Gb DDR2 SDRAM 2x2Gb 667MHz ECC:4 GB
- 512Mb DDR2 667MHz ECC:0.5 GB
Memory layout (modules x size)
- 4Gb DDR2 SDRAM 2x2Gb 667MHz ECC:2 x 2 GB
- 512Mb DDR2 667MHz ECC:1 x 0.5 GB

Side by side

Differences highlightedShow differences only

Comparison of 4Gb DDR2 SDRAM 2x2Gb 667MHz ECC, 512Mb DDR2 667MHz ECC
7 specifications	A HP 4Gb DDR2 SDRAM 2x2Gb 667MHz ECC View product	B HP 512Mb DDR2 667MHz ECC View product
Features2 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 0.5 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
Memory clock speed	667 MHz	667 MHz
Memory typeKnown for one	Unknown — not stated by the source	PC5300

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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