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AMD EPYC Embedded 9554P vs AMD EPYC Embedded 9555P: Comparison
EPYC Embedded 9554P vs EPYC Embedded 9555P: the boost clock difference
The first real difference is boost clock: EPYC Embedded 9554P 3.75 GHz against EPYC Embedded 9555P 4.4 GHz. There is a split on core architecture as well, Zen 4 on the EPYC Embedded 9554P versus Zen 5 on the EPYC Embedded 9555P. There is a split on base clock as well, 3.1 GHz on the EPYC Embedded 9554P versus 3.2 GHz on the EPYC Embedded 9555P. Multi-socket support is not the same on both, 1P on the EPYC Embedded 9554P versus Single Socket Only on the EPYC Embedded 9555P. There is a split on memory type as well, DDR5 on the EPYC Embedded 9554P versus DDR5 RDIMM on the EPYC Embedded 9555P.
Which should you buy, EPYC Embedded 9554P or EPYC Embedded 9555P?
The EPYC Embedded 9554P 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. Buy the EPYC Embedded 9555P for industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is not built for consumer desktop or gaming builds and DIY PC upgrades.
Where the two are identical
Where they agree, they agree completely, tdp, l3 cache, pcie lanes, core count and thread count included, so the decision does not turn on any of those. They match on 1 further specification as well.
Specs and benchmarks
Core Count
- AMD EPYC Embedded 9554P
- 64 cores
- AMD EPYC Embedded 9555P
- 64 cores
Thread Count
- AMD EPYC Embedded 9554P
- 128 threads
- AMD EPYC Embedded 9555P
- 128 threads
Core Architecture
- AMD EPYC Embedded 9554P
- Zen 4
- AMD EPYC Embedded 9555P
- Zen 5
Base Clock
- AMD EPYC Embedded 9554P
- 3.1 GHz
- AMD EPYC Embedded 9555P
- 3.2 GHz
Boost Clock
- AMD EPYC Embedded 9554P
- 3.75 GHz
- AMD EPYC Embedded 9555P
- 4.4 GHz
L3 Cache
- AMD EPYC Embedded 9554P
- 256 MB
- AMD EPYC Embedded 9555P
- 256 MB
Socket
- AMD EPYC Embedded 9554P
- SP5
- AMD EPYC Embedded 9555P
- SP5
Multi-Socket Support
- AMD EPYC Embedded 9554P
- 1P
- AMD EPYC Embedded 9555P
- Single Socket Only
Memory Type
- AMD EPYC Embedded 9554P
- DDR5
- AMD EPYC Embedded 9555P
- DDR5 RDIMM
PCIe Lanes
- AMD EPYC Embedded 9554P
- 128 lanes
- AMD EPYC Embedded 9555P
- 128 lanes
TDP
- AMD EPYC Embedded 9554P
- 360 W
- AMD EPYC Embedded 9555P
- 360 W
Which one should you pick?
Choose 9554P if you want the higher L3 cache (256 MB vs 256 MB) 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.




