Product comparison · 2 memory modules

Kingston Technology 2GB 1066MHz DDR3 Non-ECC CL7 DIMM vs Kingston Technology 8GB 667MHz FBDIMM Kit (4-core and 8-core systems)

Key differences

Internal memory
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:2 GB
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):8 GB
Memory layout (modules x size)
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:1 x 2 GB
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):2 x 4 GB
Internal memory type
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:DDR3
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):DDR2
CAS latency
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:7
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):5
Memory bus
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:64 bit
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):72 bit
Buffered memory type
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:Unregistered (unbuffered)
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):Registered (buffered)
Memory voltage
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:1.5 V
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):1.8 V
Module configuration
- 2GB 1066MHz DDR3 Non-ECC CL7 DIMM:256M X 64
- 8GB 667MHz FBDIMM Kit (4-core and 8-core systems):512M X 72

Differences highlightedShow differences only

Comparison of 2GB 1066MHz DDR3 Non-ECC CL7 DIMM, 8GB 667MHz FBDIMM Kit (4-core and 8-core systems)
17 specifications	A Kingston Technology 2GB 1066MHz DDR3 Non-ECC CL7 DIMM View product	B Kingston Technology 8GB 667MHz FBDIMM Kit (4-core and 8-core systems)View product
Features9 differ
Internal memoryDiffers	2 GB	8 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 4 GB
Internal memory typeDiffers	DDR3	DDR2
CAS latencyDiffers	7	5
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageDiffers	1.5 V	1.8 V
Module configurationDiffers	256M X 64	512M X 72
Memory typeDiffers	DDR3	DDR2
Lead plating	Gold	Gold
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
ECCKnown for one	No	Unknown — not stated by the source
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	8192 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 4096 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.