core i7 8700 vs 8700k (heat and performance)

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abdelfattahshoukry12

Jul 28, 2018
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Is there any difference between them in terms of heat? the k version will be heater that the non k one even at stock without oc?
And the performance in games, any difference between them or not?

I really wanna an answer for the heat thing as it's really important to me at the moment.
 
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cryoburner

If you already have an 8700, there would be little point in upgrading to an 8700K, especially if you don't have an overclocking-capable motherboard and a high-end cooler to overclock with. At stock clocks, performance should be practically identical, as both CPUs will automatically boost to nearly the same clocks, with the 8700K only boosting about 2% higher, which should be an imperceptible difference.

The 8700K only makes sense if you are overclocking to a significant degree, and for that you would need a Z370 motherboard and either one of the...
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profoundnoah

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The 8700 runs at a tdp (thermal design power) of 65W vs the 95W of the 8700k. It will run a bit cooler. In terms of performance, the 8700k beats out the 8700, given the former can overclock (which produces a bit more heat). The difference isn't huge at stock speeds, though.
 
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abdelfattahshoukry12

Jul 28, 2018
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Hi, so we are speaking about how many degrees the difference between them in gaming for example? we can say like 10 degrees in load between them?
 
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profoundnoah

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This thread may answer your question: https://www.reddit.com/r/intel/comments/850hsk/8700_vs_8700k_temps_clock_for_clock/

If you won't be overclocking, then the difference between the two chips as far as temps are concerned won't be anywhere near as big as 10C.

Not to mention, the 8700k gives you the option of undervolting, which allows you to run the CPU at quite a bit lower of an operating temp.
 
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jankerson

jankerson

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They should be about the same at stock clocks, they BOTH run pretty cool with a proper CPU cooler.


I doubt you would see the difference between them using the same CPU cooler running at stock speed.
 
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abdelfattahshoukry12

Jul 28, 2018
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I'm using coolermaster hyper h411r, and a side coolermaster case fan (120 mm), and 8700 non k, temps are between 60-75 at load. Will I see the same temps, with same setup, but 8700k?
 
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jankerson

jankerson

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That cooler is VERY under powered for either of those CPU's.

You need a better CPU cooler.
 
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cryoburner

cryoburner

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If you already have an 8700, there would be little point in upgrading to an 8700K, especially if you don't have an overclocking-capable motherboard and a high-end cooler to overclock with. At stock clocks, performance should be practically identical, as both CPUs will automatically boost to nearly the same clocks, with the 8700K only boosting about 2% higher, which should be an imperceptible difference.

The 8700K only makes sense if you are overclocking to a significant degree, and for that you would need a Z370 motherboard and either one of the larger tower coolers or a dual-fan water cooler. Even then, for gaming you are more likely to be limited by graphics card performance unless you are running a high-end card like a GTX 1080 at a relatively low resolution like 1080p on a 144Hz screen. With typical resolution and graphics card combinations, either of these CPUs should be more than enough to not hold back performance in today's games, even without overclocking.

I suspect that the hyper h411r is probably capable enough to handle the 8700. Despite being a somewhat smaller tower cooler, it's almost certainly better that the stock Intel cooler for that processor. And since the 8700K is only clocked slightly higher, it might work for that as well, though at a bit higher temperatures. Even with the proper motherboard, you won't likely be getting any significant overclock on that cooler though. If you have an 8700, you should probably just stick with that, as its performance should be almost identical to an 8700K at stock clocks.
 
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matthewjamesgargan

matthewjamesgargan

Oct 20, 2018
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the problem is the 8700's TDP is the BASE Clock of 3.8GHz - turbo is unknown - an example is -

I ran RPCS3 The Last of Us and get with a Cryorig C7 + Noctua L9i fan = mid 90cs ( to be fair thats worst case scenario) but delidding gave it a more healthy 79c.

Average gaming will be fine - just not stress stuff or rpcs3
 
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