Product comparison · 2 memory modules

Kingston Technology 2GB DDR3 vs Kingston Technology 4GB DDR3

Key differences

Differences highlightedShow differences only

Comparison of 2GB DDR3, 4GB DDR3
18 specifications	A Kingston Technology 2GB DDR3 View product	B Kingston Technology 4GB DDR3 View product
Features3 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory type	DDR3	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
Memory bus	72 bit	72 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory rankingKnown for one	1	Unknown — not stated by the source
Module configurationDiffers	256M X 72	512M X 72
Lead plating	Gold	Gold
Other features3 differ
Chips organisation	X8	X8
CompatibilityDiffers	39U4455 (IBM)	00D4955 (IBM); 39U4453 (IBM)
Data transfer rate	12800 Mbit/s	12800 Mbit/s
Bus clock rate	1600 MHz	1600 MHz
Error indication	ECC	ECC
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	1 x 2048 MB	1 x 4096 MB
Country of originKnown for one	Unknown — not stated by the source	United States

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.