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Ryzen 3000 Memory / Fabric (X370/X470/X570)

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post #11 of 206 (permalink) Old 07-08-2019, 11:28 AM
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Quote: Originally Posted by elmor View Post
From what I remember AIDA64 always tests memory using core 0
The AIDA64 memory bandwidth tests have been multi-threaded for quite some time.

I'm not sure about the latency test.

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post #12 of 206 (permalink) Old 07-08-2019, 02:27 PM
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Beautiful. Many thanks.

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post #13 of 206 (permalink) Old 07-08-2019, 02:44 PM
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Elmor: Have you been able to get the PBO settings to actually do anything on the CH6/CH7?
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post #14 of 206 (permalink) Old 07-08-2019, 02:56 PM
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@elmor

It's a bit unclear as to how ASUS is addressing the settings of the FCLK (synchronous/asynchronous) in the bios settings.

Is the setting tied to the memory speed selection, i.e. anything above 3600 will force asynchronous mode, or can you select the fclk ratio separately from the memory speed?

Thanks for sharing these results!

P.S. Did you try any timings scaling testing at 3600?

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post #15 of 206 (permalink) Old 07-08-2019, 03:06 PM
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Why does Ryzen 3k support 4400mhz+ memory, when it doesn't help for performance over 3733mhz?

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post #16 of 206 (permalink) Old 07-08-2019, 03:09 PM
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Quote: Originally Posted by Nizzen View Post
Why does Ryzen 3k support 4400mhz+ memory, when it doesn't help for performance over 3733mhz?
Some things are bandwidth bound and not latency bound

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post #17 of 206 (permalink) Old 07-08-2019, 03:39 PM
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Does the new SOC have different base voltage? The 1.25V is rather extreme for the old ones.
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post #18 of 206 (permalink) Old 07-08-2019, 04:32 PM
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Why SOC 1.25?

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post #19 of 206 (permalink) Old 07-08-2019, 06:48 PM
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Awesome stuff, thanks for the great info Elmor! Turns out I might not have to buy new memory after all, unless I want crystal pimp RAM. I wonder if it's 'safe' to assume that most current good B-die kits are still useful on X570 (ie most 3200CL14 kits)?

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post #20 of 206 (permalink) Old 07-08-2019, 07:30 PM
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Quote: Originally Posted by Bart View Post
Awesome stuff, thanks for the great info Elmor! Turns out I might not have to buy new memory after all, unless I want crystal pimp RAM. I wonder if it's 'safe' to assume that most current good B-die kits are still useful on X570 (ie most 3200CL14 kits)?

It would seem so, that's what he used for his testing. I have B-die 3600 CL16 sticks so I'll see how they do on the C6H and 3700X on Thursday when the chip gets here

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