Haswell i7 vs Skylake i5

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eXtremeBuilds

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Dec 14, 2015
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I am making a high end gaming PC for 1300$ with a gigabyte GTX 980. I needed to know what would be better for gaming, an i7 4790k or an i5 6600k my PC has to last for 3/4 years. I'll overclock 0,5/0,6 ghz using a corsair h110 GTX. Thx for the help.
 
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geofelt
You would be happy with either.
There is not a lot of difference in gaming.

With Skylake now available, there is absolutely no question in my mind that a new build should be Skylake.
a. Prices for cpu, z170 motherboard and ddr4 ram are almost precisely the same.
b. 6600K has an estimated 5-10% performance improvement per clock over haswell.
c. 14nm runs cooler, you get a decent overclock without the need for exotic cooling.
d. The Z170 chipset permits the use of much faster ssd devices on the horizon. Samsung 950 pro for example:
http://www.samsung.com/global/business/semiconductor/minisite/SSD/global/html/ssd950pro/overview.html

If your games tend to strategy, sims, mmo then you want the best possible single core performance.
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Quixit

Quixit

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Dec 22, 2014
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Realistically, either will be fine and yield similar results for gaming. Hyperthreading is only really useful for maximizing core usage in a highly-threaded environment that has lightweight threads and that's not going to matter for even a very heavy gaming workload.

4790k will perform slightly better in non-gaming workloads so it's probably the better buy if they're the same price.
 
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geofelt

geofelt

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You would be happy with either.
There is not a lot of difference in gaming.

With Skylake now available, there is absolutely no question in my mind that a new build should be Skylake.
a. Prices for cpu, z170 motherboard and ddr4 ram are almost precisely the same.
b. 6600K has an estimated 5-10% performance improvement per clock over haswell.
c. 14nm runs cooler, you get a decent overclock without the need for exotic cooling.
d. The Z170 chipset permits the use of much faster ssd devices on the horizon. Samsung 950 pro for example:
http://www.samsung.com/global/business/semiconductor/minisite/SSD/global/html/ssd950pro/overview.html

If your games tend to strategy, sims, mmo then you want the best possible single core performance.
I changed from a i7-4790Kat stock to a i5-6600K@4.8 and feel I did better in civ 5.

Here is 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%

Save the cost of the H100I and use the difference for something else. Perhaps a GTX980ti.
You will game better.

 
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port27

port27

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Dec 15, 2015
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For gaming they are pretty darn close but for me personally I prefer hyper-threaded CPU's for "future proofing" if there is even such a thing. I also do a lot more than gaming on my PC and can have multiple programs and windows open at once. Now the Core i5 is no slouch its an exceptional CPU but if I was given the choice right now for me I would personally go with the Haswell 4790K any day of the week over any of the new i5's.
 
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lieutenantfrost

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Jan 2, 2010
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old thread but I'll post anyways, haswell chips have voltage issues so skylake would be the better choice of the two even if its an i5, you can OC it and you won't see more than a 2-3 FPS difference between them, if even.
 
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