AMD Ryzen Fabric Clock 1467Mhz (DDR4 2933Mhz) vs Fabric Clock 1933Mhz (DDR4 3866Mhz)in couple games - Overclock.net - An Overclocking Community
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AMD Ryzen Fabric Clock 1467Mhz (DDR4 2933Mhz) vs Fabric Clock 1933Mhz (DDR4 3866Mhz)in couple games

 
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post #1 of 8 (permalink) Old 01-18-2020, 07:59 PM - Thread Starter
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AMD Ryzen Fabric Clock 1467Mhz (DDR4 2933Mhz) vs Fabric Clock 1933Mhz (DDR4 3866Mhz)in couple games

EDIT: Jan 22 2020 Added 1920x1080 for those who thought first test was useless at 2560x1440

BF5 and GTAV 1920x1080




Just want to say all results are within margin of error and are the same for both resolutions 1920x1080 and 2560x1440 and will be the same for 98% of the PC games people play.

Want the best out of your system ram,fine tune Ram .I do not play at 1280x720 or 1920x1080. If you have normal gear tune your ram and put cash toward better GPU.

Tested a old game and new game at 1920x1080 and 2560 x1440 on AMD Ryzen 3800X.
The test is to show that tuned timings for your DDR4 Ram is more important than actual fabric clock on AMD Ryzen.

So for the people building a Ryzen system and can google or have a little knowledge, it may be advisable to pick a good value ram and tune up that ram or for the people with DDR4 3000Mhz ram there is no need to waste money buying DDR4 3800Mhz ram,thinking your gaming on AMD Ryzen system will be better.

I just could not be bothered testing a bunch of games ,as I have done this many times and results are always the same.

So I set CL12 DDR4 2933 Mhz vs CL16 DDR4 3866Mhz both have tight ram timings .
The memory clock (mclk), the memory controller clock (uclk), and the infinity fabric clock (fclk) are all synced for best results 1:1:1.
You can also run Ram at 1:1:2 and still have great results.

Of course I do not care what you do with your ram,I am just trying to help out someone who needs the help by showing actual video and how it does work when PC gaming.

Since I am not using a capture card and just Nvidia shadowplay with all task running,outcome may be different than with a capture card.

Computer and video editor used
Spoiler!

2560x1440 video only
Spoiler!

Last edited by gerardfraser; 01-22-2020 at 03:53 PM.
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post #2 of 8 (permalink) Old 01-19-2020, 03:25 AM
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wow, results did not go the way i thought they would. thanks for taking the time to do this!

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post #3 of 8 (permalink) Old 01-19-2020, 03:46 AM
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Great Test!

It does show that if you put in the extra work to have both Low Timings and High IF Clock (Synced 1:1:1) that you will still have SLIGHTLY better frame time pacing, the experience was undeniably quantifiably better on the higher Flck, but only by a small margin, probably much smaller than most people think, and that of course assumes that you are able to tune your Timings at least as low as you would, relative to the slower speed. So put in the work, there is a reward for you in it, however it may not be worth the headache, instead just put in the work just tuning the Ram at a reasonable FCLK, and you will be 98% of the way there, which should be just fine for most.

Great Video!

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post #4 of 8 (permalink) Old 01-22-2020, 03:55 PM - Thread Starter
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Added BF5 GTAV 1920x1080 for anyone interested
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post #5 of 8 (permalink) Old 01-22-2020, 04:22 PM
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Always appreciate it when people go out of their way to provide this type of thing.

Good job with the video as well.

Have you tried measuring the differences in draw calls in futuremarks api feature test?

To be honest, its a little wonky so I usually run it 5 times , throw out the high and low and average the remaining scores.

Thanks for the content +1 rep


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post #6 of 8 (permalink) Old 01-22-2020, 04:40 PM - Thread Starter
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Sure no problem at all ,also thanks for the replies.

@cssorkinman
Sorry I do not own the futuremarks test ,only the demo of the latest.
I also do the same with these test things,run them a bunch of times ,they are never 100% the same all the time.

@oreonutz
I agree with you

@newls1
Yeah I agree,pretty much why I posted benchmarks like these ,just to show people. Seems to be a touchy trigger point for some people with test like these that go against what they think the results should be by looking at some numbers on a video. I am amazed at how people tell me I am doing it wrong and should do it there way.

Anyway posted this in another thread,always take these things with a grain of salt.I am only sharing some test I done,I said 98% of games that tuned timings works fine,since I do not own all games.I could not possibly know how all games react or play with Ryzen tuned timings. Also since I am not using a capture card and just Nvidia shadowplay with all task running,outcome may be different with capture card and other factors.
The best thing about the test,other people can try to copy my setting and do there own test.
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post #7 of 8 (permalink) Old 01-22-2020, 05:38 PM
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Quote: Originally Posted by gerardfraser View Post
Sure no problem at all ,also thanks for the replies.

@cssorkinman
Sorry I do not own the futuremarks test ,only the demo of the latest.
I also do the same with these test things,run them a bunch of times ,they are never 100% the same all the time.

@oreonutz
I agree with you

@newls1
Yeah I agree,pretty much why I posted benchmarks like these ,just to show people. Seems to be a touchy trigger point for some people with test like these that go against what they think the results should be by looking at some numbers on a video. I am amazed at how people tell me I am doing it wrong and should do it there way.

Anyway posted this in another thread,always take these things with a grain of salt.I am only sharing some test I done,I said 98% of games that tuned timings works fine,since I do not own all games.I could not possibly know how all games react or play with Ryzen tuned timings. Also since I am not using a capture card and just Nvidia shadowplay with all task running,outcome may be different with capture card and other factors.
The best thing about the test,other people can try to copy my setting and do there own test.
Ah , i was thinking the free version had that included. But it doesn't seem to.


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post #8 of 8 (permalink) Old 02-03-2020, 04:12 AM
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Ram/IF speed doesn't seem to matter much for gaming unless you're cpu limited, maybe csgo would show a difference on your benchmarks? Also manually tuned 3000mhz>3800mhz xmp.
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