Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 SODIMM vs Kingston Technology 4GB DDR2-667 Registered with Parity DIMM

Key differences

Internal memory
- 2GB DDR2-667 SODIMM:2 GB
- 4GB DDR2-667 Registered with Parity DIMM:4 GB
Memory layout (modules x size)
- 2GB DDR2-667 SODIMM:1 x 2 GB
- 4GB DDR2-667 Registered with Parity DIMM:1 x 4 GB
Memory bus
- 2GB DDR2-667 SODIMM:64 bit
- 4GB DDR2-667 Registered with Parity DIMM:72 bit
Buffered memory type
- 2GB DDR2-667 SODIMM:Unregistered (unbuffered)
- 4GB DDR2-667 Registered with Parity DIMM:Registered (buffered)
Module configuration
- 2GB DDR2-667 SODIMM:256M X 64
- 4GB DDR2-667 Registered with Parity DIMM:512M X 72
Error indication
- 2GB DDR2-667 SODIMM:No
- 4GB DDR2-667 Registered with Parity DIMM:Parity
Form factor
- 2GB DDR2-667 SODIMM:200-pin SODIMM
- 4GB DDR2-667 Registered with Parity DIMM:240-pin DIMM
Internal memory
- 2GB DDR2-667 SODIMM:2048 MB
- 4GB DDR2-667 Registered with Parity DIMM:4096 MB

Differences highlightedShow differences only

Comparison of 2GB DDR2-667 SODIMM, 4GB DDR2-667 Registered with Parity DIMM
16 specifications	A Kingston Technology 2GB DDR2-667 SODIMM View product	B Kingston Technology 4GB DDR2-667 Registered with Parity DIMM View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationDiffers	256M X 64	512M X 72
Lead platingKnown for one	Unknown — not stated by the source	Gold
Other features4 differ
Error indicationDiffers	No	Parity
Form factorDiffers	200-pin SODIMM	240-pin DIMM
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	1 x 2048 MB	1 x 4096 MB
Weight & dimensionsidentical
WidthKnown for one	67.6 mm	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.