8600k vs 8700k

CreepyNinja

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I want to build a new pc. I decided which parts i will take already but cant really choose the procesor yet. I know the i5 is better in single core games, for example: in GTA the i5 has about 20 more fps. On the other hand the i7 is better at multiple core games obviously for example: the i7 has about 15 more fps in BF1.

If that was all i would go for the i5 because i play more single core games. But i also want to overclock the procesor. And i saw from the comparison benchmarks that the i5 is always hotter. So technically i could overclock the i7 more (because it has lower temps) with the same cooler. And how would look the benchmarks then. Basically what i am asking for is a benchmark on the 8600k vs 8700k overclock as much as possible with the same cooler. I couldnt find such a bencmark so thats why i am making this thread. I would be awesome if somebody knows such a benchmark or even do it himself.

Ps: I am aware of the silicon lottery (i think its how you call it) and not every becnhmark will be the same.
Pss: sorry for my bad english.
 
Solution
The i7 can perform the same as the i5 if you needed it to by disabling hyper-threading.

The i5 should not be hotter than the i7. Hyper-threading increases heat and i7s are known to run hotter. Not sure where you saw this.

6 cores withought hyper-threading should overclock better than 6 cores with hyper-threading.

Now, each individual CPU is different in regards to overclocking and heat, like you mentioned silicon lottery. So, nothing is gaurunteed when it comes to overclocking.

Also, not sure where you saw the i5 with higher fps than the i7. I know it can happen, but where did you see with that high of difference? At stock the i7 boosts to 4.7GHz on a single core whereas the i5 boosts to 4.3GHz. Can you link to the benchmarks you...
The i7 can perform the same as the i5 if you needed it to by disabling hyper-threading.

The i5 should not be hotter than the i7. Hyper-threading increases heat and i7s are known to run hotter. Not sure where you saw this.

6 cores withought hyper-threading should overclock better than 6 cores with hyper-threading.

Now, each individual CPU is different in regards to overclocking and heat, like you mentioned silicon lottery. So, nothing is gaurunteed when it comes to overclocking.

Also, not sure where you saw the i5 with higher fps than the i7. I know it can happen, but where did you see with that high of difference? At stock the i7 boosts to 4.7GHz on a single core whereas the i5 boosts to 4.3GHz. Can you link to the benchmarks you have referenced?
 
Solution
There is less than a 5% difference between the two CPUs. In many cases, they are dead even. But the 8600k cost 30% less than the 8700k. So is 30% of price worth less than 5% performance? You will never see a difference in gaming unless you are looking at benchmark scores.

Additionally, the 8600k does not have better single core speed, they are identical CPUs with the same IPC. The 8700k only has hyper threaded activated. The i5 is not hotter either, they are both hot. Differences in the silicon lottery is what you are seeing when you look at temperatures in reviews. Some individual chips just run hotter than others.

I would go with the 8600k and use the extra $100 and put it to a better GPU, SSD, or some games.
 
How high you can oc a 8600K or 8700K is determined by your luck in getting a good chip.
The capability is virtually identical.
as of 12/01'2017
What % of I5-8600k chips can oc
at a agressive vcore of 1.4 or so and delidded
4.9 98%
5.0 84%
5.1 65%
5.2 38%
5.3 13%

What % of I7-8700k chips can oc
at a aggressive vcore near 1.4 or so and delidded
4.9 99%
5.0 72%
5.1 43%
5.2 16%
5.3 3%

You did not specify a budget.
If the extra $120 or so price premium for a 8700K means little to you, buy the 8700k, there is no downside.


However, if that $120 can be better spent on a better graphics card or a larger ssd, then do that.
 

CreepyNinja

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Thanks for all replies guys. My total budget is 3k euro and with the i7 I am on 2,6k so I don't care about budget in this case.

And for those benchmarks. I did research for couple months (saw about 30 benchmarks) and in about 90% of the cases the i5 was better in single cored games and was hotter too. Btw I care only about game performance. Here is the last bencmark I saw: https://youtu.be/SkTxXrqE5F0

I will also be taking the best cooler I will find (with my uncle) because he is a pc master so whatever you say I will still listen to him.
 


That's i5-8600K OC'd @ 5.0GHz vs stock i7-8700K.

As I was saying, with the i7-8700K (if a game happened to do better with hyper-threading disabled) you could simply disable it in the BIOS and your 8700K would become just like the 8600K.

Then you would still have the option to enable hyper-threading for multi-threaded games.
 

CreepyNinja

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You can't even imagine how stupid I feel right now. Especially with that video. But I don't know how I could be thinking that i5 is better. I had somehow all the time in my head that i5 is better at single core, as I look at benchmarks right now the i5 scores either the same or little worse. Maybe those 90% of those benchmarks I mentioned was a 8600k at 5ghz vs 8700k stock, and i didnt see that clock speed because it looks like the 5 from the name "i5 8600k" (if you know what i mean) and that other 10% was actually stock vs stock. I guess it was the dislectia I have.

Thank you very much I will definitely go for the i7 now.
 


Do not beat yourself up.
The i5-8600K and the i7-8700K will generally oc to the same limits.
The difference is how many threads you get for the extra price of the 8700K.
Most games can't effectively use more than 4 threads so it is usually better for the gamer to put the premium of the 8700K towards a stronger graphics card.

Then, also, since you are buying new, you have some new, and I think better options in the 9th gen processors.
They are priced similar to 8th gen but come with soldered heat spreaders, taking some of the heat limitations out of overclocking.
All will easily do 5.0. i5-9600K has 6 threads, i7-9700K has 8 and i9-9900K has 16.
I7-9700K will perform better than the 8700K in gaming or batch apps.
My take is to go with newer tech unless there is a compelling price break on old.

 

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