White macbook 4gb DDR2 vs silver DDR3-- what does this mean?

4GB 667MHz DDR2 SDRAM - 2x2GB -- newer white macbook
4GB 1066MHz DDR3 SDRAM - 2x2GB-- new macbook
How much performance issue is there? I care about the firewire on the white macbook and i don't want a 15" machine. Will I be disappointed?

kingstone wrote:
4GB 667MHz DDR2 SDRAM - 2x2GB -- newer white macbook
4GB 1066MHz DDR3 SDRAM - 2x2GB-- new macbook
How much performance issue is there? I care about the firewire on the white macbook and i don't want a 15" machine. Will I be disappointed?
The theoretical data rate is specified in the alternate name. DDR2 667 is known as PC2-5300. DDR3 1066 is also known as PC3-8500.
I would note that I've heard some claims that DDR2-800 / PC3-6400 memory might work in the new white MacBook at full speed.
I wouldn't worry about the difference in memory performance. It's kind of a nice to have thing, but most people aren't going to notice a difference in most applications. If you need FireWire, then what's the alternative? I don't think you'll be disappointed.

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