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Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 05 Nov 2020, 07:20
by Digika
First reviews are out, not seeing any latency test tho

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 05 Nov 2020, 19:57
by Niko
YES, even now with Zen3 they have higher Core to Core latency

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 06 Nov 2020, 01:35
by Conan
Niko wrote:
05 Nov 2020, 19:57
YES, even now with Zen3 they have higher Core to Core latency
mind if you show some links for that?

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 06 Nov 2020, 21:50
by MaxTendency
Conan wrote:
06 Nov 2020, 01:35
mind if you show some links for that?
Image

Inter-ccd communication is still very slow. But honestly, the core to core latency within the ccd looks quite nice, so one ccd processors like the 5800x might not be too bad. Memory latency is still pretty bad compared to intel, lowest I saw was 48ns (aida).

Image

Sources are all linked into the pictures.

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 06 Nov 2020, 23:27
by Conan
MaxTendency wrote:
06 Nov 2020, 21:50

Thank you very much :!:
Gonna throw myself on reading :geek:

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 07 Nov 2020, 02:11
by Digika
MaxTendency wrote:
06 Nov 2020, 21:50
Conan wrote:
06 Nov 2020, 01:35
mind if you show some links for that?
Image

Inter-ccd communication is still very slow. But honestly, the core to core latency within the ccd looks quite nice, so one ccd processors like the 5800x might not be too bad. Memory latency is still pretty bad compared to intel, lowest I saw was 48ns (aida).

Image

Sources are all linked into the pictures.

Yeah, Intel always was good on some genius trickery to minimize memory latency, especially when they increase cache size.
Here is hoping ZEN 4 will address it in 2021 since it should be new platform

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 07 Nov 2020, 06:53
by dervu
Ryzen 5600X having ~63ns in AIDA64 with 3200 with Corsair CMW16GX4M2C3200C16 (16-18-18-36).
Measuring in mlc (even with newer 3.9) version I get worse result than on old 2600 Ryzen. Maybe it is not good tool to measure it on Ryzen.

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 07 Nov 2020, 10:16
by ffs_
Have you tried 3800 mhz or better (Zen 3 should be able to reach 4000 mhz)?

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 07 Nov 2020, 16:39
by dervu
Seems like Try it option doesn't let me use my memory with anything more then 3200 (XMP).

Re: Is it true Ryzen has higher input lag than Intel? Is there conclusive data to prove this?

Posted: 07 Nov 2020, 21:59
by schizobeyondpills
dervu wrote:
07 Nov 2020, 06:53
Ryzen 5600X having ~63ns in AIDA64 with 3200 with Corsair CMW16GX4M2C3200C16 (16-18-18-36).
Measuring in mlc (even with newer 3.9) version I get worse result than on old 2600 Ryzen. Maybe it is not good tool to measure it on Ryzen.
can you post 5600X MLC screenshot for research info and aida screenshot aswell to compare. ty