Product comparison · 2 memory modules

Kingston Technology 4GB DDR3 1333MHz Module vs Kingston Technology System Specific Memory D25664J90S memory module

Key differences

Internal memory
- 4GB DDR3 1333MHz Module:4 GB
- System Specific Memory D25664J90S memory module:2 GB
Memory layout (modules x size)
- 4GB DDR3 1333MHz Module:1 x 4 GB
- System Specific Memory D25664J90S memory module:1 x 2 GB
Memory bus
- 4GB DDR3 1333MHz Module:72 bit
- System Specific Memory D25664J90S memory module:64 bit
Buffered memory type
- 4GB DDR3 1333MHz Module:Registered (buffered)
- System Specific Memory D25664J90S memory module:Unregistered (unbuffered)
Module configuration
- 4GB DDR3 1333MHz Module:512M x 72
- System Specific Memory D25664J90S memory module:256M x 64
Chips organisation
- 4GB DDR3 1333MHz Module:X4
- System Specific Memory D25664J90S memory module:X8
Error indication
- 4GB DDR3 1333MHz Module:ECC
- System Specific Memory D25664J90S memory module:No
Internal memory
- 4GB DDR3 1333MHz Module:4096 MB
- System Specific Memory D25664J90S memory module:2048 MB

Differences highlightedShow differences only

Comparison of 4GB DDR3 1333MHz Module, D25664J90S
22 specifications	A Kingston Technology 4GB DDR3 1333MHz Module View product	B Kingston Technology System Specific Memory D25664J90S memory module Model D25664J90S View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 2 GB
ECCKnown for one	Yes	Unknown — not stated by the source
Memory busDiffers	72 bit	64 bit
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Module configurationDiffers	512M x 72	256M x 64
Other features4 differ
Chips organisationDiffers	X4	X8
Error indicationDiffers	ECC	No
Internal memoryDiffers	4096 MB	2048 MB
Memory layoutDiffers	1 x 4096 MB	1 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.