assassin123 :
the bench is not only thing @xtream5 you can also see its features
well, they are absolutely same in features except HYPER-THREADING.
let see the features
i5 3570k 22nm die shrink
4c/4t
3.4ghz boost upto 3.8ghz
intel HD 4000
officially support ddr3 1600mhz
max memory bandwidth (25.6GB/s)
intel wireless display "YES"
no. of display support 3 (iGPU)
support PCI-E 3.0
NO hyper-threading
on the other hand
i7 2600k 32nm die shrink
4c/8t (extra 4 threads)
3.4ghz boost upto 3.8ghz
intel hd 3000
officially support ddr3 1333mhz
max memory bandwidth 21GB/s
intel wireless display "NO"
no.of display support 2 (iGPU)
support PCI-E 2.0
hyper threading support.
overall 3570k is best deal.
even 3570k is neck to neck with i7 3770k