Which will be better Dell(Core i3/2GB RAM/250 GB HD)or(Core 2Duo T6600 2.2GHz/3GB/320GB) having same price?

Update: Please help me choosing one of among these??
Dell™ Inspiron 15 New Laptop (S541201IN8)
Intel® Core™ i3-330M (2.13Ghz, 4Threads, 3M cache)
2GB 1066MHz DDR3 SDRAM (1 x 2GB)
250GB 5400RPM SATA Hard Drive
15.6” High Definition 720p WLED (1366x768) Display with TrueLife™
Intel(R) HD Graphics
Update 2: Dell(TM) Inspiron 1545 Laptop (S541004IN8) Intel® Core™2 Duo Processor T6600 (2.20GHz/ 800 FSB/ 2MB Cache) 3GB (1x2GB/1x1GB) NECC Dual Channel DDR2 SDRAM Memory 320GB 5400RPM SATA Hard Drive 15.6" 720p WLED (1366x768) Display with TrueLife(TM), with integrated 1.3 mega pixel web cam Integrated Intel(R)... show more Dell(TM) Inspiron 1545 Laptop (S541004IN8)
Intel® Core™2 Duo Processor T6600 (2.20GHz/ 800 FSB/ 2MB Cache)
3GB (1x2GB/1x1GB) NECC Dual Channel DDR2 SDRAM Memory
320GB 5400RPM SATA Hard Drive
15.6" 720p WLED (1366x768) Display with TrueLife(TM), with integrated 1.3 mega pixel web cam
Integrated Intel(R) Graphics Media Accelerator X4500HD
Update 3: I have complete details of both laptop and I want to use Windows 7...
Update 4: I have added the details please help me how...
Update 5: I have added the details please help me now...
5 answers