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September 16, 2022 01:02 am GMT
Original Link: https://www.techpowerup.com/298925/amd-zen-3-tested-with-the-faster-boost-clock-speed-ramping-speed-than-snapdragon-socs
AMD "Zen 3" Tested with the Faster Boost Clock-Speed Ramping Speed than Snapdragon SoCs
AMD's "Zen 3" architecture, particularly in its low-power mobile iterations, change their clock speeds at a very high rate of speed (switching between lower idle clock-speeds to higher boost clock bins), finds a study by Chips and Cheese, which tested 17 processors across brands and machine-architectures, including mobile SoCs. The interesting finding here is that the Ryzen 7 5800U "Zen 3" mobile processor has a much faster speed-ramp than even SoC powering handhelds, such as the Qualcomm Snapdragon 821, returning a ramp-time of just 1.6 ms, compared to 19.6 ms on the Snapdragon. We now see why AMD likes its processors to run detached from the 10 ms tick-rate of Windows internal power-management (the rate at which the OS reports its workload to the processor, so it could respond with a higher performance state). A rapid boost clock ramp rate allows the processor to better ration its power budget in response to workload.
Original Link: https://www.techpowerup.com/298925/amd-zen-3-tested-with-the-faster-boost-clock-speed-ramping-speed-than-snapdragon-socs
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