Samsung DDR3 4GB PC1066 vs Samsung DDR3 4GB PC1333

Comparison of DDR3 4GB PC1066, DDR3 4GB PC1333

7 specifications	A Samsung DDR3 4GB PC1066View product	B Samsung DDR3 4GB PC1333View product
Features1 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)	2 x 2 GB	2 x 2 GB
Internal memory type	DDR3	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	No	—Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	1333 MHz
Memory voltage	1.5 V	1.5 V

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.