Product comparison · 2 memory modules

HP 512MB DDR2-533 vs HP 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC

5specifications compared
3differ
2identical
4known for one product only

Key differences

The HP 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC has 7.5 GB more internal memory than the HP 512MB DDR2-533 (8 GB vs 0.5 GB). The HP 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC has 134 MHz more memory clock speed than the HP 512MB DDR2-533 (667 MHz vs 533 MHz). Only the HP 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC has ECC.

Internal memory
- 512MB DDR2-533:0.5 GB
- 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC:8 GB
ECC
- 512MB DDR2-533:No
- 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC:Yes
Memory clock speed
- 512MB DDR2-533:533 MHz
- 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC:667 MHz

Side by side

Differences highlightedShow differences only

Comparison of 512MB DDR2-533, 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC
9 specifications	A HP 512MB DDR2-533 View product	B HP 8Gb DDR2 SDRAM 4x2Gb 667MHz ECC View product
Features3 differ
Internal memoryDiffers	0.5 GB	8 GB
Internal memory type	DDR2	DDR2
Component forKnown for one	PC/Server	Unknown — not stated by the source
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyKnown for one	4	Unknown — not stated by the source
Memory clock speedDiffers	533 MHz	667 MHz
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory layout (modules x size)Known for one	Unknown — not stated by the source	4 x 2 GB

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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