CPU (from Xbitlabs)
http://www.xbitlabs.com/articles/cp...-920-930_5.html

7800 耗電 (from Xbitlabs)
http://www.xbitlabs.com/articles/vi...00gtx512_5.html

7900 耗電 (from Xbitlabs)
http://www.xbitlabs.com/articles/vi...e7900gtx_6.html


把裡面的數據與估算網頁對照一下，您就會發現一個其實不難看出來的地方。