I860與I920效能上分別有多大

請問各位CHING i7的I860與I920隨插座不同外,效能上分別有多大,
我見I860是2.8G 8M L3 QPI 2.5GT/s LGA1156 BOX 95w,
而I920是2.66G 8M L3 QPI 4.8GT/s LGA1366,睇字面好似I860高少少,另L3的QPI又是甚麼的東西,請指教!

唔該搵高手,答一答問題,謝謝!

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First of all, i can say, i7 860 is slightly faster than i7 920
i7 860 is using DMI and i7 920 is during QPI
i7 860 requires for a p55 chipset mobo
i7 920 requires for a x58 chipset mobo
if budget is not a problem 4 you, i would suggest i7 920

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未知大大對這張LIST點睇,比少少意見︰
1 Intel Core i7 920 D0 2.66G 8M L3 QPI 4.8GT/s LGA1366
2 Gigabyte EX58-UD4P (X58+ICH10R)
3 [2GBx3] Corsair Dominator i7 TR3X6G1600C8D 8-8 (D3-1600)
4 SAPPhiRE Radeon HD 5850 or  XFX DDR5-1GB 4870 (HD-487A-ZDFC/2xDVI) X2
5 CORSAIR COOLING HYDRO SERIES H50 CPU COOLER for CPU
其他機箱、HDD、光碟機都係用住舊先,另外請介紹一隻Power supply比給我。

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