Best gaming CPU i7 5820k or the 6700k

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andrewsmims

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Sep 8, 2015
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hey guys ,
so im planning on building a powerful gaming pc that can run games at high resolution.
Im kinda new to this and dont know what cpu to choose.

Thought of the i7 5820k or 6700k .

which of them is better for gaming and why?

thanks.
 
Solution
DonkeyOatie
The 6700K can be overclocked to a higher speed, likely (4.6Ghz - 4.9Ghz with a great chip), and four cores, four hyperthreads is more than enough for gaming. The more, but slower, cores of the 5820K (overclocking 4.4 to 4.6Ghz) are more suited for rendering where all six cores and hyperthreads can be used.

High resolution (4k?) requires very stout GPUs at the moment, even a single GTX 980ti will not do the business at Ultra, but two of them will.
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hoorhay

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Sep 9, 2014
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Clock for clock the 6700K will be stronger at gaming overall. Though if you're planning on 3-way or 4-way crossfire/SLI then the 5820K/5930K would be better. Though that's more enthusiast than gamer
 
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DonkeyOatie

DonkeyOatie

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Sep 16, 2014
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The 6700K can be overclocked to a higher speed, likely (4.6Ghz - 4.9Ghz with a great chip), and four cores, four hyperthreads is more than enough for gaming. The more, but slower, cores of the 5820K (overclocking 4.4 to 4.6Ghz) are more suited for rendering where all six cores and hyperthreads can be used.

High resolution (4k?) requires very stout GPUs at the moment, even a single GTX 980ti will not do the business at Ultra, but two of them will.
 
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geofelt

geofelt

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Oct 9, 2006
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Very few games can use more than 2-3 cores; the the 4 cores of a i5-6600K is about optimal for a gamer.
If you are on a budget, that is the chip to buy.
If $100 ecxra is not that important to you, buy a 6700K. You will get a better binned chip that will OC about the same, but you will get hyperthreads for whatever little that might add.

Most benchmarks I have seen show diminishing returns for the third gpu in a multi gpu environment, and even some loss from a fourth.
For that reason, I think if sli GTX980ti can't do the job, you will need to wait for pascal or whatever comes next yeat.
 
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geofelt

geofelt

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Oct 9, 2006
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fwiw, here are some stats from silicon lottery that bins chips:
skylake oc statistics.
What percent can get an overclock at a sane 1.40v
I5-6600K
4.9 3%
4.8 23%
4.7 44%
4.6 85%

I7-6700K
4.8 12%
4.7 47%
4.6 91%
 
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DonkeyOatie

DonkeyOatie

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Sep 16, 2014
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Thanks for the info. Do you know what average is?

That bodes well for a year or so when the process is fully refined.
 
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