AMD Ryzen 7 PRO 6850U: ACPI Platform Profile Low-Power vs. Balanced vs. Performance

Written by Michael Larabel in Software on 5 August 2022 at 12:22 PM EDT. Page 3 of 6. 12 Comments.
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks

All of these ACPI Platform Profile benchmarks are primarily intended for reference purposes for those wondering about the impact of switching the available modes.

AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks

With NAMD, the Ryzen 7 PRO 6850U was at a 22.8 Watt average in performance mode, 18.9 Watts in the default balanced mode, or 11.8 Watts in the low-power mode.

AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks

In the low-power mode, the CPU was still occasionally boosting to 4.2~4.4GHz but in this multi-threaded workload now tended to run at 2.0GHz for its peak core frequency compared to 2.6GHz with the balanced more or 2.9GHz in the performance mode.

AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks

In some of the benchmarked workloads primarily those that were multi-threaded, the performance mode didn't always equate to better performance over the balanced mode on this ThinkPad X13 Gen 3 notebook.

AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks
AMD Ryzen 7 PRO 6850U Linux Laptop Platform Benchmarks

The low-power mode tended to always yield the best performance-per-Watt.


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