Product comparison · 2 memory modules

HyperX 2GB(2 x 1024MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM vs Kingston Technology 4GB DDR2-667 Low Power Fully Buffered DIMM (Kit of 2)

Key differences

Internal memory
- 2GB(2 x 1024MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM:2 GB
- 4GB DDR2-667 Low Power Fully Buffered DIMM (Kit of 2):4 GB
Memory bus
- 2GB(2 x 1024MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM:64 bit
- 4GB DDR2-667 Low Power Fully Buffered DIMM (Kit of 2):72 bit
Buffered memory type
- 2GB(2 x 1024MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM:Unregistered (unbuffered)
- 4GB DDR2-667 Low Power Fully Buffered DIMM (Kit of 2):Registered (buffered)

Differences highlightedShow differences only

Comparison of 2GB(2 x 1024MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM, 4GB DDR2-667 Low Power Fully Buffered DIMM (Kit of 2)
19 specifications	A HyperX 2GB(2 x 1024MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM View product	B Kingston Technology 4GB DDR2-667 Low Power Fully Buffered DIMM (Kit of 2)View product
Features3 differ
Internal memoryDiffers	2 GB	4 GB
Memory form factorKnown for one	200-pin SO-DIMM	Unknown — not stated by the source
ECCKnown for one	No	Unknown — not stated by the source
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	2	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Module configurationKnown for one	128M X 64	Unknown — not stated by the source
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Other featuresidentical
Bus clock rateKnown for one	800 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Internal memoryKnown for one	2048 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 1024 MB	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.