Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 vs Kingston Technology 4GB 533MHz Kit

Key differences

Memory layout (modules x size)
- 2GB DDR2-667:1 x 2 GB
- 4GB 533MHz Kit:2 x 2 GB
Memory bus
- 2GB DDR2-667:64 bit
- 4GB 533MHz Kit:72 bit
Buffered memory type
- 2GB DDR2-667:Unregistered (unbuffered)
- 4GB 533MHz Kit:Registered (buffered)

Differences highlightedShow differences only

Comparison of 2GB DDR2-667, 4GB 533MHz Kit
17 specifications	A Kingston Technology 2GB DDR2-667 View product	B Kingston Technology 4GB 533MHz Kit View product
Features3 differ
Internal memory	2 GB	2 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Module configurationKnown for one	256M X 64	Unknown — not stated by the source
Memory type	DDR2	DDR2
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	A0735489 (DELL); A0735490 (DELL); A0735492 (DELL); A0735493 (DELL); A0743584 (DELL); A0743585 (DELL); A0743586 (DELL); A0764429 (DELL); A1189543 (DELL); A1229318 (DELL); A1229319 (DELL); A1229320 (DELL); A1229322 (DELL); A1229323 (DELL); A1229324 (DELL); A1229325 (DELL); A1249404 (DELL); A1312839 (D	Unknown — not stated by the source
Bus clock rateKnown for one	667 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Internal memoryKnown for one	2048 MB	Unknown — not stated by the source
Memory layoutKnown for one	1 x 2048 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.