Product comparison · 2 memory modules

HP 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC vs Kingston Technology 4GB 800MHz DDR2 Non-ECC CL5 SODIMM (Kit of 2)

6specifications compared
3differ
3identical
6known for one product only

Key differences

Memory layout (modules x size)
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:4 x 1 GB
- 4GB 800MHz DDR2 Non-ECC CL5 SODIMM (Kit of 2):2 x 2 GB
ECC
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:Yes
- 4GB 800MHz DDR2 Non-ECC CL5 SODIMM (Kit of 2):No
Memory type
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:PC2-5300
- 4GB 800MHz DDR2 Non-ECC CL5 SODIMM (Kit of 2):DDR2

Side by side

Differences highlightedShow differences only

Comparison of 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC, 4GB 800MHz DDR2 Non-ECC CL5 SODIMM (Kit of 2)
12 specifications	A HP 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC View product	B Kingston Technology 4GB 800MHz DDR2 Non-ECC CL5 SODIMM (Kit of 2)View product
Features3 differ
Memory layout (modules x size)Differs	4 x 1 GB	2 x 2 GB
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 64
Memory typeDiffers	PC2-5300	DDR2
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source

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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