SPEC Consortium Releases SPEC CPU 2026 Benchmark Suite: The Next Decade of CPU Benchmarking

[Ryan Smith]

After nearly a decade, SPEC has released a new version of its industry-defining CPU benchmark, SPEC CPU 2026. We take a look at what's new, as well as the new benchmark's performance on a modern AMD, Intel, and NVIDIA CPU trio

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[WhiteNoise]

Hello,

Thank you for the interesting article.
I think the poor scaling performance of the Intel system in the total throughput case ("running as many copies of SPECrate as they have CPU cores/SMT slots") could be explained by the memory bandwidth.

The Intel 285HX system has a standard 128 bit memory bus and 6400MT/s memory speed, whereas the Ryzen 395 and Nvidia GB20 have 256 bit memory bus with 8000MT/s and 8533 MT/s memory speed, respectively. It's ~100GB/s vs ~250+GB/s.
They have more than double the memory bandwidth.

If you have the chance maybe test the 270K plus vs 9950X