Product comparison · 2 memory modules

HP 4GB PC2-5300 vs HP 512MB PC2-6400

7specifications compared
4differ
3identical
2known for one product only

Key differences

The HP 4GB PC2-5300 has 3.5 GB more internal memory than the HP 512MB PC2-6400 (4 GB vs 0.5 GB). The HP 512MB PC2-6400 has 133 MHz more memory clock speed than the HP 4GB PC2-5300 (800 MHz vs 667 MHz). Only the HP 4GB PC2-5300 has ECC. Buffered memory type: Fully buffered on the HP 4GB PC2-5300, Unregistered (unbuffered) on the HP 512MB PC2-6400.

Internal memory
- 4GB PC2-5300:4 GB
- 512MB PC2-6400:0.5 GB
ECC
- 4GB PC2-5300:Yes
- 512MB PC2-6400:No
Memory clock speed
- 4GB PC2-5300:667 MHz
- 512MB PC2-6400:800 MHz
Buffered memory type
- 4GB PC2-5300:Fully buffered
- 512MB PC2-6400:Unregistered (unbuffered)

Side by side

Differences highlightedShow differences only

Comparison of 4GB PC2-5300, 512MB PC2-6400
9 specifications	A HP 4GB PC2-5300 View product	B HP 512MB PC2-6400 View product
Features4 differ
Internal memoryDiffers	4 GB	0.5 GB
Internal memory type	DDR2	DDR2
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
Memory clock speedDiffers	667 MHz	800 MHz
Buffered memory typeDiffers	Fully buffered	Unregistered (unbuffered)
Module configurationKnown for one	256M x 4	Unknown — not stated by the source
CAS latencyKnown for one	Unknown — not stated by the source	6

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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