最近想要買顯示卡
目前看到4870x2跟GTX285
這兩張我目前問到的價格都差不多在一萬三左右...
假如玩game方面需求比較多的話
該怎麼選擇呢??
目前先不考慮GTX295,因為價格還是太高囉= ="
希望各位大大能給點意見...感謝!
Sylevil wrote:
我記得4870X2是真正的雙2G RAM,所以可使用記憶體為2G。
什麼叫做 "雙2G RAM"
http://techreport.com/articles.x/15105
"We do know, however, that the two GPUs on the card don't share memory. The board has eight Hynix GDDR5 memory chips per graphics processor, four on the front and another four around back. Those chips are 1Gb each, so each GPU has a total of one gigabyte of memory to call its own. Cumulatively, 4870 X2's effective memory size is still 1GB, since data must be replicated into each GPU's memory space. "
CF SLI 都一樣
兩個 GPU 能存取的記憶體
內容都相同
9800GX2 有效記憶體為 512MB
4870X2 有效記憶體為 1GB