Very low credit for Zen 4 mobile CPUs?

Message boards : Number crunching : Very low credit for Zen 4 mobile CPUs?
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WuJJ

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Joined: 6 Jan 24
Posts: 7
Credit: 21,539,120
RAC: 132,492
Message 2170 - Posted: 7 Jan 2024, 19:44:54 UTC
Last modified: 7 Jan 2024, 19:47:12 UTC

I just signed up for the project recently and has been playing with different machines I have. I happen to have both desktop and mobile Zen 4 CPUs (7950X and 7840HS). Given they have the same micro-architecture, I generally expect similar performance scaled by frequency. At worst a bit lower due to smaller cache on the mobile CPU. I get such expected result from a few other BOINC projects. However, on sidock, the mobile CPU is getting around 1/10 to 1/8 of credit for a similar runtime. This seems to be incredibly low for a modern CPU.

7950X: https://www.sidock.si/sidock/results.php?hostid=54061&offset=0&show_names=0&state=4&appid=
7840HS: https://www.sidock.si/sidock/results.php?hostid=54054&offset=0&show_names=0&state=4&appid=

I'm curious why and if this indicates the mobile CPU are not suitable for the workload and I'd be better off moving them to other projects. Thanks.

PS: The mobile CPU is a mini-PC, not laptop. I've verified it's running at expected frequency, not thermal throttled.
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WuJJ

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Joined: 6 Jan 24
Posts: 7
Credit: 21,539,120
RAC: 132,492
Message 2171 - Posted: 9 Jan 2024, 21:27:16 UTC - in response to Message 2170.  

This post is no longer relevant after I switched to anonymous platform. Thanks.
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Message boards : Number crunching : Very low credit for Zen 4 mobile CPUs?

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