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AMD EPYC 9565 vs AMD EPYC Embedded 9555P: Comparison
What is the difference between EPYC 9565 and EPYC Embedded 9555P?
L3 cache is where these two genuinely part company, EPYC 9565 384 MB against EPYC Embedded 9555P 256 MB, a 33% lead for EPYC 9565. They differ on boost clock too, Up to 4.3 GHz on the EPYC 9565 versus 4.4 GHz on the EPYC Embedded 9555P. They differ on tdp too, 400 W on the EPYC 9565 versus 360 W on the EPYC Embedded 9555P. Release year is not the same on both, 2024 on the EPYC 9565 versus 2025 on the EPYC Embedded 9555P. Core count is not the same on both, 72 cores on the EPYC 9565 versus 64 cores on the EPYC Embedded 9555P. There is a split on thread count as well, 144 threads on the EPYC 9565 versus 128 threads on the EPYC Embedded 9555P. There is a split on base clock as well, 3.15 GHz on the EPYC 9565 versus 3.2 GHz on the EPYC Embedded 9555P. They differ on multi-socket support too, 1P / 2P on the EPYC 9565 versus Single Socket Only on the EPYC Embedded 9555P. The max memory speed figures are near enough to ignore, 6400 MT/s on the EPYC 9565 versus 6000 MT/s on the EPYC Embedded 9555P.
Who each one is for
Buy the EPYC 9565 for 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 9555P suits 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 9565 and EPYC Embedded 9555P 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 9565
- 2024
- AMD EPYC Embedded 9555P
- 2025
Core Count
- AMD EPYC 9565
- 72 cores
- AMD EPYC Embedded 9555P
- 64 cores
Thread Count
- AMD EPYC 9565
- 144 threads
- AMD EPYC Embedded 9555P
- 128 threads
Base Clock
- AMD EPYC 9565
- 3.15 GHz
- AMD EPYC Embedded 9555P
- 3.2 GHz
Boost Clock
- AMD EPYC 9565
- Up to 4.3 GHz
- AMD EPYC Embedded 9555P
- 4.4 GHz
L3 Cache
- AMD EPYC 9565
- 384 MBBest
- AMD EPYC Embedded 9555P
- 256 MB-33%
Socket
- AMD EPYC 9565
- SP5
- AMD EPYC Embedded 9555P
- SP5
Multi-Socket Support
- AMD EPYC 9565
- 1P / 2P
- AMD EPYC Embedded 9555P
- Single Socket Only
Memory Channels
- AMD EPYC 9565
- 12 channels
- AMD EPYC Embedded 9555P
- 12 channels
Max Memory Speed
- AMD EPYC 9565
- 6400 MT/sBest
- AMD EPYC Embedded 9555P
- 6000 MT/s
PCIe Lanes
- AMD EPYC 9565
- 128 lanes
- AMD EPYC Embedded 9555P
- 128 lanes
PCIe Generation
- AMD EPYC 9565
- PCIe 5.0
- AMD EPYC Embedded 9555P
- PCIe 5.0
TDP
- AMD EPYC 9565
- 400 W
- AMD EPYC Embedded 9555P
- 360 W
Which one should you pick?
Choose 9565 if you want the higher L3 cache (384 MB vs 256 MB), the higher memory channels (12 channels vs 12 channels) and the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 9555P if you already have it on hand or find it at a lower price.