8600K vs 1700X, which one will bottleneck sooner?

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sternix

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Sep 22, 2017
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Hi,


I recently purchased a 8600K processor which I can still return if I want to.
I'm running it at 4,9Ghz paired with a GTX1080, 16GB 3200Mhz and I'm gaming at 1080p144Hz.

I benchmarked several games including Crysis 1, Crysis 3, GTA5, CS:Go and Battlefield 1. I benchmarked all these games vs the 1600@3,9Ghz system of my girlfriend. (put my GTX1080 in there)

On average my 8600K seems to be 20% faster in those games but it is running at 80-100% a lot of the time while the 1600 is only using like 50% on average. My biggest problem is GTA5, it stutters a lot on my 8600K (benchmarked it using fraps and frafs to see the real frametimes) while it is perfectly fine on the 1600 without a single stutter.

So my question is: Will the 8600K become a bottleneck sooner than the 1700X since games seem to use more and more threads? They're about the same prize, the 8700K is not a choice for me since its like 150€ more.

Sorry for any spelling mistakes, english is not my main language.


Best regards
 
Solution
Karadjgne
Turn on v-sync. Nvidia cards use adaptive v-sync, basically capping fps to reasonable levels which eliminates almost all stuttering due to excessively high fps, but turns off if lower than the refresh rate so doesn't mess with lower end fps like traditional v-sync. Won't hurt the game performance at all but will help game quality.
You can also try adjusting cpu bound settings like grass details or viewing distance and AA etc as those will impact cpu performance and usage. In games like GTA:V, grass details are not really important, you drive past so fast you don't notice details of individual blades, but the cpu still has to give the info to the gpu. You won't really notice any difference, but the cpu will.
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Jwpanz

Jwpanz

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Apr 17, 2016
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I would say your Ryzen would become obsolete sooner than the 8600k. Your i5 has 6 cores and games still rarely use anything more than 4 with most still using 2. As time goes on, we will see games utilizing more cores and threads.

However, your i5 has a higher IPC and can overclock better than the Ryzen chip. Coffee Lake is meant to be somewhat “future proof” and you should see it last for a few years at least.
 
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sternix

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Sep 22, 2017
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Its a fresh install of windows, 3D Mark scores are also perfectly fine. All drivers up2date. There is a video on youtube "8600k vs 8700k vs 1800x" at 720p in GTA5 and the 8600K stutters just like mine. Temperatures are ~70°C.

How can it be future proof if it is at 100% load in games like BF1 or GTA5 at 720p/1080p low settings while the Ryzen 1700x would only be used for like 40-50%, that doesnt seem to make any sense to me.
 
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10tacle

10tacle

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Some advice: do not ever take any videos of hardware comparison tests on Youtube. They are not professional reviews and there's no way to confirm if they are not lying about their specs they list. In short, take those videos like you would a spam email: toss it in the wastebasket. Go to real websites like this one for review comparisons.

The i5 8600K will be faster at 1080p in most games than the 1700X (less so at higher resolution like 1440p where the GPU is more important). Most games respond more to the core speed than core count and hyperthreading - keep in mind most, but not all. And I know of none that real world take advantage of more than 6 cores anyway. Whether this changes in the future is anyone's guess. There are plenty of benchmarks out there from credible hardware review sites showing that.

Finally, there is no such thing as a "future proof" rig. They all become obsolete after a certain amount of years.
 
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Karadjgne

Karadjgne

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A cpu has to process the same amount of code from source no matter what resolution, so 4k or 720p makes exactly no difference to the cpu. Fps on the other hand is a cpu killer. The gpu will have a much harder time with 4k than 720p, so fps suffers. This means the cpu only has to deliver the info 60x a second at 4k,but has to deliver the info 300x a second at 720p (for example). So yes, you'll see stuttering at lower resolution as fps skyrockets beyond the cpu ability to deliver as fast as the gpu can. It's not a bottleneck as such, it's more a case of too much power delivered to a monitor setting set too low. Increase the resolution to 1440p and the stutter goes bye bye as fps drops to realistic numbers.

So be careful of YouTube videos especially, since they only tell you half the story while making it seem Gospel truth.
 
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Snoopyfighter

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Nov 29, 2015
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I agree with 10tacle that the i5 will be faster at 1080p in most games (especially what you mentioned) than the 1700X. Also, about the usage of each CPU, the Intel chips always utilize the maximum that they can due to lower core count. AMD chips have more cores so the load is placed onto them all spread out (which is also why the intel is faster but can stutter). AMD do perform better with large open world type games though like GTA because of all the things its processing. Either way I feel you can't really go wrong. Before you'll end up seeing any differences with games utilizing more cores and one pulling out in front, they will both be obsolete. If you do return the 8600k, you will still need to get a different motherboard for the Ryzen so keep that in mind.
 
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Karadjgne

Karadjgne

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Turn on v-sync. Nvidia cards use adaptive v-sync, basically capping fps to reasonable levels which eliminates almost all stuttering due to excessively high fps, but turns off if lower than the refresh rate so doesn't mess with lower end fps like traditional v-sync. Won't hurt the game performance at all but will help game quality.
You can also try adjusting cpu bound settings like grass details or viewing distance and AA etc as those will impact cpu performance and usage. In games like GTA:V, grass details are not really important, you drive past so fast you don't notice details of individual blades, but the cpu still has to give the info to the gpu. You won't really notice any difference, but the cpu will.
 
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sternix

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Sep 22, 2017
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Thanks to everyone replying :).

@Snoopyfighter You said "Also, about the usage of each cpu, the Intel chips always utilize the maximum that they can due to lower core count. AMD chips have more cores so the load is placed onto them all spread out". Does that mean that (in theory) if a game can utilize all 16 threads that the AMD will be much faster than the Intel cpu since its load is only at ~50% right now but could still go up to 100%?(in future games that can take advantage of 16 threads)
 
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