http://www.gamespot.com/pages/forums/show_msgs.php?topic_id=25379428&msg_id=284119231#3
as i said before cell is limited to 256, now cows may say BUH GPU CAN WRITE ON CELLS BANK :cry: thats true, with a cost of bandwidth, making have performance isssues, developers try to avoid it,
cell can only write on 256, simple, which means ps3 has 256 of ram. 360 canot only do 50%-50% for cpu and gpu, but it can do limitless ways, such as 30%-70%or 70%-30%, with the same performance cost. ps3 does have faster ram, but that speed will be useless when the ram is in overload,making it have to use something called Virtual memory, and i have expierienced this, its really bad especailly during gameplay,
thus, 360 ram can be used in many different ways, ps3 can only use 256 for system(CELL) 256 for gpu(RSX), if one of these banks dont have enough ram for a specific task, then ps3 will suffer greatly while 360 can be something like  256-256 or 300-212 or 212-300..... in so many differnt ways that has the exact same performance with eachother,
respond to that cows,
p.s dont forget the 10mb devoted to xenos, which allows for aa and hdr, with no performance costs, and no bandwidth on the ram pool which happens on ps3.
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