Product comparison · 2 memory modules

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

Key differences

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

Differences highlightedShow differences only

Comparison of 4GB 1066MHz, 8GB (2x4GB), SODIMM, 1066MHz
18 specifications	A Kingston Technology 4GB 1066MHz View product	B Kingston Technology 8GB (2x4GB), SODIMM, 1066MHz View product
Features2 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	2 x 4 GB
Internal memory type	DRAM	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 features3 differ
Chips organisation	X8	X8
CompatibilityDiffers	S26391-F504-L200 (Fujitsu); S26391-F791-L540 (Fujitsu)	MC016G/A (Apple); MC557G/A (Apple)
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

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.