http://en.wikipedia.org/wiki/DDR3_SDRAMThe primary benefit of DDR3 is the ability to transfer twice the data rate of DDR2
The primary benefit of DDR3 is the ability to transfer twice the data rate of DDR2
Correct, but it's the same.GDDR is referred to when dealing with memory for graphics cards.
DDR is referred to when dealing with system memory (RAM).
Correct, but it's the same.
Graphics Double Data Rate 3 has much the same technological base as DDR2, but the power and heat dispersal requirements have been reduced somewhat, allowing for higher performance memory modules, and simplified cooling systems.
Unlike the DDR2 used on graphics cards, GDDR3 is unrelated to the JEDEC DDR3 specification.