Power Efficiency Study Using SPECjEnterprise2010

Oi, Hitoshi; Niboshi, Sho

doi:10.1109/jsyst.2015.2471798

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Ryzen Processor1

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Cited by 4 publications

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“…Both are capable of dynamic frequency scaling, with four (Phenom) and three (Ryzen) clock frequencies as shown in the table. Both processors can boost the clock frequencies to 3.4GHz (Phenom) and 3.6GHz (Ryzen) within the total power and thermal limits [1,4].…”

Section: Ryzen Processormentioning

confidence: 99%

Testing Amd Ryzen Microprocessor and Its Energy Efficiency

Denev¹

2022

JSAR

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In this paper, we show a case study of Ryzen processor energy efficiency using SPECjbb2015 as the workload. We analyze it in comparison to Phenom II, a CPU of previous generation from the same manufacturer AMD. In terms of maxi-mum transaction throughput, Ryzen performs 218% of Phenom. With the response time constraint, the relative performance of Ryzen is 288%. In the energy efficiency, Ryzen achieves 309% (at maximum throughput) and 389% (with response time constraints) of Phenom. Dynamic frequency scaling (DFS) is effective for reducing the power consumption of both processors, but the load levels at which DFS is most effective are quite different.

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Section: Ryzen Processormentioning

confidence: 99%