Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 vs Kingston Technology 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2)

Key differences

Internal memory
- 2GB DDR2-667:2 GB
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):4 GB
Memory layout (modules x size)
- 2GB DDR2-667:1 x 2 GB
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):2 x 2 GB
Internal memory
- 2GB DDR2-667:2048 MB
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):4096 MB
Memory layout
- 2GB DDR2-667:1 x 2048 MB
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):2 x 2048 MB

Differences highlightedShow differences only

Comparison of 2GB DDR2-667, 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2)
18 specifications	A Kingston Technology 2GB DDR2-667 View product	B Kingston Technology 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2)View product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
CAS latency	5	5
Memory bus	64 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltage	1.8 V	1.8 V
Module configuration	256M X 64	256M X 64
Memory type	DDR2	DDR2
ECCKnown for one	Unknown — not stated by the source	No
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
Other features2 differ
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 rate	667 MHz	667 MHz
Error indication	No	No
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	1 x 2048 MB	2 x 2048 MB

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.