Benchmarks Of 2nd Gen AMD EPYC On Amazon EC2 Against Intel Xeon, Graviton2
Written by Michael Larabel in Processors on 4 June 2020. Page 4 of 4. 21 Comments

And many of the other workloads tested for this initial comparison...

If taking the geometric mean of all these results, the EPYC C5A "Rome" instance for 16xlarge delivered 40% better performance over the previous generation part and 5% better performance over the similar sized Xeon M5 Cascade Lake instance. The Amazon Graviton2 (m6g.16xlarge) instance did offer better performance by 2.6% but it's important to keep in mind that Graviton2 vCPUs are always backed by a physical CPU core while the Intel/AMD instances are leveraging a combination of SMT/HT in the total vCPU count. For the 8xlarge instance type, the Graviton2 instance also led followed by the new AMD EPYC Rome instance having 6% better performance over a similar Xeon instance or 43% over a previous-generation EPYC instance. Simply put, damn impressive performance so far especially compared to the first-generation instances.

Find more of this early benchmarking data via

That's the quick look at the raw performance of these new AMD EPYC C5A instances. More tests and looking at the performance-per-dollar pricing will come in the weeks ahead.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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