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AMD Fixed the STAPM Throttling Issue, So We Retested The Ryzen 7 8700G and Ryzen 5 8600G
by Gavin Bonshor on February 23, 2024 9:00 AM EST - Posted in - CPUs - AMD - Phoenix - 4nm - AM5 - Ryzen 8000G - Ryzen 7 8700G - Ryzen 5 8600G - STAPM When we initially reviewed the latest Ryzen 8000G APUs from AMD last month, the Ryzen 7 8700G and Ryzen 5 8600G, we became aware of an issue that caused the APUs to throttle after a few minutes. This posed an issue for a couple of reasons, the first being it compromised our data to reflect the true capabilities of the processors, and the second, it highlighted an issue that AMD forgot to disable from their mobile series of Pheonix chips (Ryzen 7040) when implementing it over to the desktop.
As we saw when we ran a gaming load over a prolonged period of time on the Ryzen 7 8700G with the firmware available at launch, we hit power throttling (STAPM) after around 3 minutes. Retesting the same game (F1 2023) at the same settings (720p High) with the firmware highlighting that STAPM had been removed, we can see that we aren't experiencing any of the power throttling we initially saw. With STAPM applied as with the initial firmware at launch on AM5 motherboards, power would drop by around 22%, limiting the full performance capability over prolonged periods.
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