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Zen SuperPI 32M 5G/4G Challenge


Massman

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Got a decent score, but there's room for improvement, since I had better runs.

Spent a whole evening trying to get 4066 running reliably, but it seems my CPU can't handle it for some reason.

The better 2x16 kit just doesn't want to run GDM off, so opted for an old 2x8 A0 kit.

image_id_2483499.jpg

PS: Top 3 scores are all in our team :p I guess the internal mini-competition helps.

Edited by I.nfraR.ed
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  • 1 month later...

Hello everyone
I would like to challenge the 5G challenge with 5600X and C8I.
First of all it is difficult to set the CPU to 5G
At present, it will drop even at a voltage of 1.5v at 4.9G.
AMD has little experience so I would like to ask professionals for advice.
Is PBO setting important?
Where do I need to set it in the BIOS?

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no, PBO for benchamrking no needed. PBO is for daily type of cooling and 24/7 (optimized with curve optimizer)

 

But for 32M U will need disable the cores and hyperthreading and push CPU to 5 GHz (propably best way boot on lower clocks and set higher value in OS)

And of course, a lot playing with DRAM timings and IMC (SOC voltage etc) :)

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RAM tweaking is about learning...First, boot at example 4.6-4.7 GHz with manual voltage (1.35-1.375V) and LLC3.

In WIndows u can increase the CPU voltage on 1.4V and try go to 4.9 GHz, if failed, or frozed, restart and in Widnows use higher COU voltage...For 5GHz maybe u will need up to 1.5V, but all depends also on temps, silicon lotery etc. After u will know, your CPU is able run Superpi with JEDEC RAM settings, u can continue in RAM and SOC tweaking (FCLK 1:1 with RAM and fun with RAM timing and driving)

It is not job for  few minutes, but for few hours and maybe for few days.

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On 3/17/2021 at 11:03 AM, Sparky's__Adventure said:

https://drive.google.com/file/d/1K3JPyAe-3ki2rUTTvCo-38b-BgNMZC8b/view?usp=sharing

My bench OS as used here is now available to download, should be about on par with the top runners in the 5g competition efficiency wise. Get to benching.

Very interested
I definitely want to introduce it
I don't know how to do it ...

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