Product comparison · 2 memory modules

HP 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC vs Lenovo 2GB PC2-6400 800MHz DDR2 SDRAM UDIMM memory

4specifications compared
3differ
1identical
7known for one product only

Key differences

Internal memory
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:4 GB
- 2GB PC2-6400 800MHz DDR2 SDRAM UDIMM memory:2 GB
Memory clock speed
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:667 MHz
- 2GB PC2-6400 800MHz DDR2 SDRAM UDIMM memory:800 MHz
Memory type
- 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC:PC2-5300
- 2GB PC2-6400 800MHz DDR2 SDRAM UDIMM memory:DDR2 SDRAM

Side by side

Differences highlightedShow differences only

Comparison of 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC, 2GB PC2-6400 800MHz DDR2 SDRAM UDIMM memory
11 specifications	A HP 4Gb DDR2 SDRAM 4x1Gb 667MHz ECC View product	B Lenovo 2GB PC2-6400 800MHz DDR2 SDRAM UDIMM memory View product
Features3 differ
Internal memoryDiffers	4 GB	2 GB
Memory form factor	240-pin DIMM	240-pin DIMM
Memory clock speedDiffers	667 MHz	800 MHz
Memory typeDiffers	PC2-5300	DDR2 SDRAM
Memory layout (modules x size)Known for one	4 x 1 GB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.3 mm
DepthKnown for one	Unknown — not stated by the source	30 mm
HeightKnown for one	Unknown — not stated by the source	4.06 mm
Other featuresidentical
Supported data transfer ratesKnown for one	Unknown — not stated by the source	6,400 MBps

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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