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AMD EPYC Embedded 9554 vs AMD EPYC Embedded 9655P: Comparison
What is the difference between EPYC Embedded 9554 and EPYC Embedded 9655P?
L3 cache is where these two genuinely part company, EPYC Embedded 9554 256 MB against EPYC Embedded 9655P 384 MB, a 33% lead for EPYC Embedded 9655P. There is a split on boost clock as well, 3.75 GHz on the EPYC Embedded 9554 versus 4.5 GHz on the EPYC Embedded 9655P. There is a split on tdp as well, 360 W on the EPYC Embedded 9554 versus 400 W on the EPYC Embedded 9655P. They differ on core count too, 64 cores on the EPYC Embedded 9554 versus 96 cores on the EPYC Embedded 9655P. They differ on thread count too, 128 threads on the EPYC Embedded 9554 versus 192 threads on the EPYC Embedded 9655P. Core architecture is not the same on both, Zen 4 on the EPYC Embedded 9554 versus Zen 5 on the EPYC Embedded 9655P. Base clock is not the same on both, 3.1 GHz on the EPYC Embedded 9554 versus 2.6 GHz on the EPYC Embedded 9655P. There is a split on multi-socket support as well, 1P/2P on the EPYC Embedded 9554 versus Single Socket Only on the EPYC Embedded 9655P. They differ on memory type too, DDR5 on the EPYC Embedded 9554 versus DDR5 RDIMM on the EPYC Embedded 9655P.
Which should you buy, EPYC Embedded 9554 or EPYC Embedded 9655P?
Buy the EPYC Embedded 9554 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. The EPYC Embedded 9655P 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 Embedded 9554 and EPYC Embedded 9655P have in common
Where they agree, they agree completely, pcie lanes and socket included, so the decision does not turn on any of those.
Specs and benchmarks
Core Count
- AMD EPYC Embedded 9554
- 64 cores
- AMD EPYC Embedded 9655P
- 96 cores
Thread Count
- AMD EPYC Embedded 9554
- 128 threads
- AMD EPYC Embedded 9655P
- 192 threads
Core Architecture
- AMD EPYC Embedded 9554
- Zen 4
- AMD EPYC Embedded 9655P
- Zen 5
Base Clock
- AMD EPYC Embedded 9554
- 3.1 GHz
- AMD EPYC Embedded 9655P
- 2.6 GHz
Boost Clock
- AMD EPYC Embedded 9554
- 3.75 GHz
- AMD EPYC Embedded 9655P
- 4.5 GHz
L3 Cache
- AMD EPYC Embedded 9554
- 256 MB-33%
- AMD EPYC Embedded 9655P
- 384 MBBest
Socket
- AMD EPYC Embedded 9554
- SP5
- AMD EPYC Embedded 9655P
- SP5
Multi-Socket Support
- AMD EPYC Embedded 9554
- 1P/2P
- AMD EPYC Embedded 9655P
- Single Socket Only
Memory Type
- AMD EPYC Embedded 9554
- DDR5
- AMD EPYC Embedded 9655P
- DDR5 RDIMM
PCIe Lanes
- AMD EPYC Embedded 9554
- 128 lanes
- AMD EPYC Embedded 9655P
- 128 lanes
TDP
- AMD EPYC Embedded 9554
- 360 W
- AMD EPYC Embedded 9655P
- 400 W
Which one should you pick?
Choose 9554 if you want the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 9655P if you want the higher L3 cache (384 MB vs 256 MB).