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AMD EPYC 9555P vs AMD EPYC Embedded 9655P: Comparison
EPYC 9555P vs EPYC Embedded 9655P l3 cache compared
Start with l3 cache, because it is the widest measured gap between them: EPYC 9555P 256 MB against EPYC Embedded 9655P 384 MB, 33% in favour of EPYC Embedded 9655P. Boost clock is not the same on both, Up to 4.4 GHz on the EPYC 9555P versus 4.5 GHz on the EPYC Embedded 9655P. There is a split on tdp as well, 360 W on the EPYC 9555P versus 400 W on the EPYC Embedded 9655P. They differ on release year too, 2024 on the EPYC 9555P versus 2025 on the EPYC Embedded 9655P. There is a split on core count as well, 64 cores on the EPYC 9555P versus 96 cores on the EPYC Embedded 9655P. They differ on thread count too, 128 threads on the EPYC 9555P versus 192 threads on the EPYC Embedded 9655P. Base clock is not the same on both, 3.2 GHz on the EPYC 9555P versus 2.6 GHz on the EPYC Embedded 9655P. There is a split on multi-socket support as well, 1P on the EPYC 9555P versus Single Socket Only on the EPYC Embedded 9655P. Max memory speed is closer, 6400 MT/s on the EPYC 9555P versus 6000 MT/s on the EPYC Embedded 9655P.
Who each one is for
The EPYC 9555P suits datacenter and cloud compute and virtualization-dense server workloads, though it is not built for consumer desktop builds and single-threaded latency-sensitive workloads on lower core-count SKUs. The EPYC Embedded 9655P is the one to take for industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is the wrong buy for consumer desktop or gaming builds and DIY PC upgrades.
What EPYC 9555P and EPYC Embedded 9655P have in common
The common ground is wider than the gap: memory channels, pcie lanes, socket and pcie generation are identical here.
Specs and benchmarks
Release Year
- AMD EPYC 9555P
- 2024
- AMD EPYC Embedded 9655P
- 2025
Core Count
- AMD EPYC 9555P
- 64 cores
- AMD EPYC Embedded 9655P
- 96 cores
Thread Count
- AMD EPYC 9555P
- 128 threads
- AMD EPYC Embedded 9655P
- 192 threads
Base Clock
- AMD EPYC 9555P
- 3.2 GHz
- AMD EPYC Embedded 9655P
- 2.6 GHz
Boost Clock
- AMD EPYC 9555P
- Up to 4.4 GHz
- AMD EPYC Embedded 9655P
- 4.5 GHz
L3 Cache
- AMD EPYC 9555P
- 256 MB-33%
- AMD EPYC Embedded 9655P
- 384 MBBest
Socket
- AMD EPYC 9555P
- SP5
- AMD EPYC Embedded 9655P
- SP5
Multi-Socket Support
- AMD EPYC 9555P
- 1P
- AMD EPYC Embedded 9655P
- Single Socket Only
Memory Channels
- AMD EPYC 9555P
- 12 channels
- AMD EPYC Embedded 9655P
- 12 channels
Max Memory Speed
- AMD EPYC 9555P
- 6400 MT/sBest
- AMD EPYC Embedded 9655P
- 6000 MT/s
PCIe Lanes
- AMD EPYC 9555P
- 128 lanes
- AMD EPYC Embedded 9655P
- 128 lanes
PCIe Generation
- AMD EPYC 9555P
- PCIe 5.0
- AMD EPYC Embedded 9655P
- PCIe 5.0
TDP
- AMD EPYC 9555P
- 360 W
- AMD EPYC Embedded 9655P
- 400 W
Which one should you pick?
Choose 9555P if you want the higher memory channels (12 channels vs 12 channels) and the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 9655P if you want the higher L3 cache (384 MB vs 256 MB).