4 gb ddr3
4 gb ddr3
4 gb ddr3
ddr3
ddr3, which is said to be 4gb ddr3 = 8gb ddr2. (From Best Buy.) So to speak, 2x as good.
ddr3
ddr3 is a type of ram, not processor
DDR3
DDR3 is better at the moment, however to make full use of DDR3 RAM you need a DDR3-compatible motherboard as well as a multi-core processor.
ddr3
It is not very noticeable if you upgrade your memory on your computer.
dimm (ddr3)