5820k in 2017/18

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MachineZZ

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Jul 13, 2015
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Hello everyone, I currently have overclocked i5 6400 at 4.7Ghz and GTX 1080 and I have quite a bit of bottleneck here and there. I'm planning to upgrade the CPU in the next days and I'm wondering if I should just upgrade to 5 8600k, or 5820k cus I got killer deal on MB + CPU
Thanks in advance!
 
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Dunlop0078


Well up to you, in terms of intel's architecture you would be going backwards from skylake to haswell with the 5820k. If you took one core out of your 8400 at 4.7ghz and compared it to a 5820k core at 4.0ghz the 8400 core would smoke it. The 8600k is an upgrade or at least a sidegrade in terms of single core performance and IPC and an...
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Dunlop0078

Dunlop0078

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How good of a deal? I would certainly rather have a 8600k for gaming all things being equal.

You sure you really need to upgrade? If you have a mobo and bios that allows for locked skylake overclocking, I would think an i5 6400 at 4.7ghz would do quite well paired with a 1080 in most games. However 4.7ghz? Really? It's stable? I have never heard of an i5 6400 OCing that far.
 
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MachineZZ

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Jul 13, 2015
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Ye its super stable but in games like Battlefield 1 the GPU can never reach more than 70-75% load, If I start rendering my 4k benchmarks the thing is rendering so freaking long. Im getting the 5820K + MSI X99A SLI PLUS for around 430$(in my country this is cheap).
 
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Dunlop0078

Dunlop0078

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How much more would a 8600k build cost you?

An i5 8400@4.7ghz will likely outperform a 5820k in many games, it certainly has much better single core performance than the 5820k. It will only outperform your 8400 in games that can leverage all of it's threads.

 
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MachineZZ

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8600k build around 500-550$ if go with the cheapest available z370 mobo plus I have to wait like a month or so for availability.
 
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Dunlop0078

Dunlop0078

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Feb 13, 2014
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Well up to you, in terms of intel's architecture you would be going backwards from skylake to haswell with the 5820k. If you took one core out of your 8400 at 4.7ghz and compared it to a 5820k core at 4.0ghz the 8400 core would smoke it. The 8600k is an upgrade or at least a sidegrade in terms of single core performance and IPC and an upgrade in threads. The 5820k is just an upgrade in threads and a downgrade in terms of single core performance and IPC.

If it were me I would save up for coffee lake.
 
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