Yer 4820k is a different motherboard socket, the motherboards for 2011 are quite a lot more expensive, also you need to run the ram in quad chan, instead of duel chan so yet more expenses (having to buy more ram) and there isn't any real benefit over the 4770k, in fact clock for clock the 4770k is faster. Maybe if video editing and the likes was your cup of tea then the 4820k would be better, but especially since you are gaming only, the 4770k is the way to go.
You need to be looking at the 4770k (i7) or the 4670k (i5). Which is socket 1150.
You need to be looking at the 4770k (i7) or the 4670k (i5). Which is socket 1150.
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