Originally Posted by Ron.L
I wanted to ask this question for a long time, what's the performence difference between a graphic card that has 128bit memory interface & a card with 256bit?? And how the number of pipelines affect the overall performence??
Memory has an access window. You can ask the RAM for a chunk of information, then that window of opportunity closes as the RAM goes through it's internal refresh cycle. So, if your memory interface is 256bits, the GPU can grab 256bits at once before that window closes. All things being equal, that mean the RAM is essentially double the speed of 128bit RAM.