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post #1 of 28 (permalink) Old 12-08-2019, 04:06 AM - Thread Starter
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CPU for 4K gaming

Hi all,
is there some tests that shows how CPUs performs on 4K gaming?

I know that on 4K CPU is not that important but I would like to understand how those CPU behave at 4K with an high end GPU.

I mean, I would like to see how an old cpu like mine a i7 5930K perform in 4K with an RTX2080Ti.

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post #2 of 28 (permalink) Old 12-08-2019, 04:59 AM
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BF V is cpubound in 4k with 2x 2080ti. Tried 3900x, 9900k and 7980xe. All overclocked. So it depends of the scenario 😉

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post #3 of 28 (permalink) Old 12-08-2019, 05:01 AM
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I'm on a 5930k @4.5 GHz with a 2080Ti at 4k. Definitely don't seem to be cpu limited in any graphically demanding titles.

My impression is that my cpu will last a while longer for 4k 60 fps gaming but if new GPUs are powerful enough to start pushing 4k 120fps, then I will need to upgrade it... It can't drive high refresh rate gaming very well.

If you're just targeting 60fps, it's probably a while before a 5930k can't hit that.


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post #4 of 28 (permalink) Old 12-08-2019, 06:11 AM - Thread Starter
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Quote: Originally Posted by BigMack70 View Post
I'm on a 5930k @4.5 GHz with a 2080Ti at 4k. Definitely don't seem to be cpu limited in any graphically demanding titles.

My impression is that my cpu will last a while longer for 4k 60 fps gaming but if new GPUs are powerful enough to start pushing 4k 120fps, then I will need to upgrade it... It can't drive high refresh rate gaming very well.

If you're just targeting 60fps, it's probably a while before a 5930k can't hit that.
can't understand why there is no benchmark that shows how old CPU handle 4K gaming,
I think that those kind of bench would be really really more useful than watching a 9900K vs 3950X at 1080P.

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post #5 of 28 (permalink) Old 12-08-2019, 06:15 AM
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Quote: Originally Posted by sblantipodi View Post
can't understand why there is no benchmark that shows how old CPU handle 4K gaming,
I think that those kind of bench would be really really more useful than watching a 9900K vs 3950X at 1080P.
useful for people who have that particular CPU, but the reality is that most people find it better new tech. On the other hand for 4k that CPU should fine not far behind a 3900x or 9900KS at 4k CPU is not really what limits u if 60FPS of course.

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post #6 of 28 (permalink) Old 12-08-2019, 06:25 AM
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post #7 of 28 (permalink) Old 12-08-2019, 09:40 AM
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Haswell-E still kicks ass. At 4.5 GHz it is as fast as overclocked Zen 2 (I mean for the same amount of cores. So your cpu in that case is comparable to r5 3600). My friend builds computers and I've tested some of them with Ryzen 3800X/3900X and my 5960X at 4.5 GHz performs sometimes slightly faster or slightly slower depending on the game.
You're still good to go with the 5930k for a few years to come. The only real upgrade for you is a 9900K overclocked at 5 GHz+ with fast memory 3600+.

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Last edited by HeadlessKnight; 12-08-2019 at 09:46 AM.
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post #8 of 28 (permalink) Old 12-08-2019, 10:06 AM
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Quote: Originally Posted by Nizzen View Post
BF V is cpubound in 4k with 2x 2080ti. Tried 3900x, 9900k and 7980xe. All overclocked. So it depends of the scenario 😉

People have differing definitions of cpu bound , bottleneck etc. Happen to have video or SS of what you consider to be "cpu bound" for clarification?
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post #9 of 28 (permalink) Old 12-08-2019, 10:45 AM
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Quote: Originally Posted by cssorkinman View Post
People have differing definitions of cpu bound , bottleneck etc. Happen to have video or SS of what you consider to be "cpu bound" for clarification?
Per definition:

If you get more fps overclock you're cpu/memory, it's cpubound or/and memorybendwidth/memorylatency bound.

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post #10 of 28 (permalink) Old 12-08-2019, 10:45 AM
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Quote: Originally Posted by Nizzen View Post
BF V is cpubound in 4k with 2x 2080ti. Tried 3900x, 9900k and 7980xe. All overclocked. So it depends of the scenario 😉

Wait isn't SLi broken on RTX?

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