Product comparison · 2 memory modules

Kingston Technology 4GB, DDR3, 1066 MHz, SODIMM vs Kingston Technology 8GB (2x4GB), SODIMM, 1066MHz

Key differences

Internal memory
- 4GB, DDR3, 1066 MHz, SODIMM:4 GB
- 8GB (2x4GB), SODIMM, 1066MHz:8 GB
Memory layout (modules x size)
- 4GB, DDR3, 1066 MHz, SODIMM:1 x 4 GB
- 8GB (2x4GB), SODIMM, 1066MHz:2 x 4 GB
Internal memory type
- 4GB, DDR3, 1066 MHz, SODIMM:DDR3
- 8GB (2x4GB), SODIMM, 1066MHz:DRAM
Internal memory
- 4GB, DDR3, 1066 MHz, SODIMM:4096 MB
- 8GB (2x4GB), SODIMM, 1066MHz:8192 MB
Memory layout
- 4GB, DDR3, 1066 MHz, SODIMM:1 x 4096 MB
- 8GB (2x4GB), SODIMM, 1066MHz:2 x 4096 MB

Differences highlightedShow differences only

Comparison of 4GB, DDR3, 1066 MHz, SODIMM, 8GB (2x4GB), SODIMM, 1066MHz
18 specifications	A Kingston Technology 4GB, DDR3, 1066 MHz, SODIMM View product	B Kingston Technology 8GB (2x4GB), SODIMM, 1066MHz View product
Features3 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	2 x 4 GB
Internal memory typeDiffers	DDR3	DRAM
Memory form factorKnown for one	204-pin SO-DIMM	Unknown — not stated by the source
CAS latency	7	7
Memory bus	64 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltage	1.5 V	1.5 V
Module configuration	512M X 64	512M X 64
Memory type	DDR3	DDR3
Lead plating	Gold	Gold
Other features2 differ
Chips organisation	X8	X8
Bus clock rate	1066 MHz	1066 MHz
Error indication	No	No
Form factor	204-pin SODIMM	204-pin SODIMM
Internal memoryDiffers	4096 MB	8192 MB
Memory layoutDiffers	1 x 4096 MB	2 x 4096 MB
CompatibilityKnown for one	Unknown — not stated by the source	MC016G/A (Apple); MC557G/A (Apple)

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.