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⇱ Revisiting The SNC3 vs. HEX Mode Performance With Intel Xeon 6 Granite Rapids - Phoronix

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Revisiting The SNC3 vs. HEX Mode Performance With Intel Xeon 6 Granite Rapids

Written by Michael Larabel in Memory on 21 October 2025 at 11:00 AM EDT. Page 4 of 4. Add A Comment.

In a number of workloads, the SNC3 vs. HEX mode performance was quite close.

Overall, the SNC3 sub-NUMA clustering default makes the most sense. This article is just a public service announcement / reminder about the HEX mode with Granite Rapids for those that haven't explored it for their workloads yet for seeing if it's of any benefit.

When looking at the total server power consumption for this Giga Computing server with Xeon 6980P 2S, there wasn't much of a power difference when comparing the SNC3 default and HEX mode testing.

Those wanting to dig through more of this comparison data for reference purposes can find it via this result page.

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Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.