i bought a new laptop Hp dv6-3177ee Entertainment laptop specs are i7-720qm cpu, 4G ram ATI Mobility radeon 5650 Switchable graphics card but now my question is that which processor is better i7-720qm or i5-580 cuz the i7 is 1.6GHZ and when i'm browsing the internet it really gets very slowly like crawling baby !! but in gaming it's good only becauze of the turbo boost thanx god but not all the games i can play hot pursuit, assassins creed 2 , but black ops lagg i dunno why so could you pls tell me 1) which cpu is better cuz i might change it and 2) if the internet browsing problem is from the cpu and 3) should i change it with i5-580m or not 4) do i have to do smthing to fix it or it has problems like freezing ones (CPU) if there is a problem with my laptop pls tell me what to do cuz i just bought my laptop last week