Finding a new CPU trouble

[MikeyGe]

Hi everyone. i have a prebought dell pc and i have upgraded every single part in it except my cpu. Icurrently have a i5 3.2 ghz quad core. I wanted to get this CPU intel i7 4790K quad core at 4.00 ghz. It seemed compatible with my pc...but I just wanted to make sure it was. This is my pc
http://www.ebay.com/itm/like/172430307028?lpid=82&chn=ps&ul_noapp=true
any replies would be nice thanks!( If the link doesnt work its a dell inspiron 3847)

 

[MrN1ce9uy]

It is the same socket and looks like it will work. http://en.community.dell.com/support-forums/desktop/f/3514/t/19591421