Product comparison · 2 memory modules

Kingston Technology 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM vs Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4

Key differences

Internal memory
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:1 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:8 GB
Memory layout (modules x size)
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:1 x 1 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:1 x 8 GB
Internal memory type
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:DDR3
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:DDR2
Memory form factor
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:204-pin SO-DIMM
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:240-pin DIMM
ECC
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:No
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:Yes
CAS latency
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:7
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:5
Memory bus
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:64 bit
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:72 bit
Buffered memory type
- 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM:Unregistered (unbuffered)
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:Registered (buffered)

Differences highlightedShow differences only

Comparison of 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM, 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4
19 specifications	A Kingston Technology 1GB 1066MHz DDR3 Non-ECC CL7 SODIMM View product	B Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 View product
Features10 differ
Internal memoryDiffers	1 GB	8 GB
Memory layout (modules x size)Differs	1 x 1 GB	1 x 8 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factorDiffers	204-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	7	5
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltageDiffers	1.5 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	1024M X 72
Memory typeDiffers	DDR3	DDR2
Lead plating	Gold	Gold
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.3 mm
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	Parity
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	1 x 8192 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.