AMD Unveils EPYC 9755: 128-Core Powerhouse Launching October 2024, Doubling Performance Over Predecessor
September 1, 2024
However, the performance metrics reported by hardware enthusiast @9550pro should be approached with caution, as the benchmarking methodology lacks transparency.
The benchmarking utilized 7zip version 24.06 with a limited number of threads (64), which may not fully reflect the processors' capabilities.
Compared to the EPYC 9654, the EPYC 9755 represents a 33% increase in core/thread count and an 11% increase in clock speeds, underscoring the advancements in AMD's latest generation.
Specifically, the EPYC 9755 achieved a maximum compression score of 346,000 KB/s and a decompression score of 4,445K KB/s, while the EPYC 9654 scored 171,000 KB/s in compression and 2,221K KB/s in decompression.
This significant performance leap can be attributed to architectural enhancements in the Zen 5 cores, higher clock speeds of 2.70 to 4.10 GHz, and a larger L3 cache rumored to be 512MB.
It's important to note that while the EPYC 9755 shows impressive numbers, direct comparisons with the EPYC 9654 may not be entirely fair due to their differing design purposes and target workloads.
The launch of AMD's EPYC 9755 will coincide with Intel's release of its Xeon 6 '6900P' CPUs, which are expected to compete directly with AMD's new offerings.
Looking ahead, AMD's EPYC 'Turin' processor lineup will also include models with up to 192 cores and 384 threads, further expanding their high-performance offerings.
AMD has officially announced its upcoming 5th Generation EPYC 'Turin' CPUs, including the flagship EPYC 9755, which boasts an impressive 128 cores and is set to launch on October 10, 2024.
Benchmark results indicate that the EPYC 9755 is nearly twice as fast in 7zip compression and decompression compared to its predecessor, the EPYC 9654 'Bergamo'.
In comparison, the EPYC 9654 features 128 Zen 4c cores running at up to 3.10 GHz with 256MB of L3 cache, highlighting the advancements made with the new architecture.
Summary based on 2 sources
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Sources

Tom's Hardware • Sep 1, 2024
AMD 128-core Zen 5-based EPYC 9755 'Turin' tested: 2X faster than 128-core predecessor
Wccftech • Aug 29, 2024
AMD EPYC 9755 Turin “Zen 5” CPU With 128 Cores Is Twice As Fast As EPYC 9754 Bergamo “…