i7 5820k vs. i7 6700k

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NoahBE1998

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Jun 27, 2014
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I am upgrading my PC for Christmas, but I can not decide on the CPU. I mainly game, most new, but some old games too, though next year I will be going to college in fall and plan to take my computer for what ever I may need. I am going into computer science, but I don't know yet the specific field, so I am unsure of what applications I will be running.

Any way I need to know CPU is most recommended, preferably non overclocked as I understand how, but don't want to risk harming anything.

If possible please describe the performance increase or loss depending on which either you pick, and also if anyone can recommend a X99 motherboard if that is the one I go with, I like the ASUS X99A I think it is (not the deluxe but the step down -$100 on the cost) but dislike the color scheme, preferably black and red, and maybe USB 3.1 around the same price as the Z170 ASUS Maximus Hero VIII.

Please reply ASAP

,Thanks
 
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I would go with the i7-6700k the 5820k is mainly for video editors who need lots of ram and a lot of cpu core to speed up the time. the i7-6700k is more than enough for gaming or video editing, if you were editing like 12 hours a day then that would be the only reason to go with the x99 platform. the Skylake have pretty much everything the x99 platform has just less performance (could be wrong though)
 
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5820k. More cores, etc. I'd highly recommend overclocking, you can just go to, say, 4GHz with an aftermarket cooler without harming the CPU's lifespan. If you REALLY don't want to overclock, I guess I'd suggest the 6700k for the higher stock speeds.
 
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The prices of both CPUs are about the same, depending on where you go. A lot of sites actually have the 5820k cheaper, so is that the better buy?
Also do you know what the performance difference in games would be? Stock and overclocked?
 
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I had found using pcpartpicker the i7 5820k for $372.00. I could overclock if I have to, but yes only to like 4 or 4.2Ghz. What would the performance difference be between the two cpus on gaming?
 
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The performance difference in games using 4 or less cores(most if not all currently) is going to be negligible. Between Haswell-E and Skylake, the performance difference between the two at same clock speed is something like 5% if I recall. In gaming, this will be 1 or 2 FPS at most. If your not OCing, I'd stick w/ Skylake. If you are, they both should OC to around the same level @ 4.5Ghz or so, maybe a bit more w/ Skylake. On a side note, I have an HTPC I game on w/ a Skylake i5 6500. Either setup would be fine for you.
 
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absolutely nothing unless your using three high end gpus the 6700k cannot keep up with three high end cards and process its information at the same time. 5820k has more cores about the same strength. 6700k has the strongest cores but just has less, but overclocking capabilities i would assume the 5820k would beat it. 6820k also has more pci lanes to handle more high end hardware.
 
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Both are good choices. If you bank on DX12 making multi-threading more commonly pushed to benefit more than 4 cores, the 5820K will likely be the best bet (if you OC). If you don't expect that to happen, then go with the 6700K. I've already started seeing a handful of games that do benefit the higher core count, but it's not common yet. In 5 years, you might find the extra cores would allow it to last longer before upgrading, but if you plan to upgrade in 2 years anyways, you probably won't see that happen.

It's all a guess at this point, but how long you plan to use this system will probably play a large role on what you choose.

You may also find there are some good deals in favor of the 5820K atm, while the 6700K keeps rising in price due to demand.
 
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Again, either platform would be fine. X99 boards do have USB 3.1 ports as well, as some were re-released w/ this feature. X99 still have more lanes for GPUs 40 or 28 depending on CPU vs 16 for Skylake. However, Skylake does have an additional 20-lanes PCI-E 3.0 in the chipset that can be used for M.2 Drives, USB 3.1, ect.
 
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That depends on your HSF. I use a Silver Arrow, and clocked to 4.5Ghz, it doesn't go past 71C running RealBench Stress test. With an CM 212 EVO, it hit 81C. Under normal usage, I've not seen it go past 62C.
 
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