i7-3820 or i7-3930K if I use only one gpu (NVIDIA 780)

Jun 3, 2013
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10,510
I don't want to waste my money in a processor that will make 1-5% boost in performance when gaming. I need advice! The computer will be only used for gaming.
 
Most games can use only 2-3 cores. They depend on the graphics configuration more.
There are some exceptions like FSX or BF3 multiplayer which are cpu dependent.
But, by and large an overclocked quad w/o hyperthreading(i5) is about as good as it gets for gaming.
I might suggest a 4670K and any Z87 based motherboard would be appropriate for a GTX780.
 


Definitely another good option.
 

8350rocks

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Haswell isn't a strong enough improvement to justify the extra expense unless you just want to spend the money. At this point, I would say go i5-3570k and wait and see what comes with Skylake. At the rate Intel CPUs are improving, you'll still be good by then.
 
The best price I have seen for 3570K is $190 @ microcenter for walk in's.
They sell 4670K for $200. The price/performance is about the same, but there is some good stuff in Z87 vs Z77 motherboards.
Upgrading from 3570K to 4670K is not a great value, fur for a new build, Z87 and 4670K seems like the way to go.