Hello.
i5-750 vs i7-920 Comparison Test
Instead of hard links to a lot of data link

http://namegt.tistory.com/224

Test System 1

CPU: Intel Core i7 920 Nehalem
Mainboard: EVGA X58 SLI Classified [E759]
RAM: CORSAIR DOMINATOR 12800 2x6G
VGA: EVGA GeForce 9800 GT
HDD: WD SATA2 500G
Power: Ultra X3 1000W
Cooler: WATER
OS: Microsoft Windows 7 Utimate K 64bit

Test System 2

CPU: Intel Core i5 750 Lynfield
Mainboard: ASUS P7P55D Deluxe
RAM: CORSAIR DOMINATOR 12800 2x4G
VGA: EVGA GeForce 9800 GT
HDD: WD SATA2 500G
Power: Ultra X3 1000W
Cooler: WATER
OS: Microsoft Windows 7 Utimate K 64bit