i have a mobo supports dual ddr 333. my cpu is intel 2.53ghz. which memory do i need to buy 2x 512MB ddr or 2x 25bMb. it is almost same performance or 2x 512MB is much better.
2x512MB vs 2x256MB of RAM... it depends on what you use the system mainly for. But I suggest you go for 2x512MB if it's within your budget and the price difference between the two is not big.