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AMD EPYC 9554 vs AMD EPYC Embedded 9655P: Comparison
What is the difference between EPYC 9554 and EPYC Embedded 9655P?
On l3 cache the spread is 33%, EPYC 9554 256 MB against EPYC Embedded 9655P 384 MB, so EPYC Embedded 9655P takes it. There is a split on boost clock as well, 3.75 GHz on the EPYC 9554 versus 4.5 GHz on the EPYC Embedded 9655P. There is a split on tdp as well, 360 W on the EPYC 9554 versus 400 W on the EPYC Embedded 9655P. Core count is not the same on both, 64 cores on the EPYC 9554 versus 96 cores on the EPYC Embedded 9655P. Thread count is not the same on both, 128 threads on the EPYC 9554 versus 192 threads on the EPYC Embedded 9655P. They differ on core architecture too, Zen 4 "Genoa" on the EPYC 9554 versus Zen 5 on the EPYC Embedded 9655P. They differ on base clock too, 3.1 GHz on the EPYC 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 9554 versus Single Socket Only on the EPYC Embedded 9655P.
Which should you buy, EPYC 9554 or EPYC Embedded 9655P?
The EPYC 9554 is the one to take for virtualization hosts and database servers, though it is not built for cost-sensitive small deployments and single-threaded legacy applications. The EPYC Embedded 9655P suits industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is not the pick for consumer desktop or gaming builds and DIY PC upgrades. Our rating of the EPYC 9554 (8.8/10): the EPYC 9554 is a well-rounded high-core-count EPYC SKU that balances density, clocks, and power draw for mainstream data center use.
Where the two are identical
Where they agree, they agree completely, memory channels, socket and ecc support included, so the decision does not turn on any of those.
Specs and benchmarks
Core Count
- AMD EPYC 9554
- 64 cores
- AMD EPYC Embedded 9655P
- 96 cores
Thread Count
- AMD EPYC 9554
- 128 threads
- AMD EPYC Embedded 9655P
- 192 threads
Core Architecture
- AMD EPYC 9554
- Zen 4 "Genoa"
- AMD EPYC Embedded 9655P
- Zen 5
Base Clock
- AMD EPYC 9554
- 3.1 GHz
- AMD EPYC Embedded 9655P
- 2.6 GHz
Boost Clock
- AMD EPYC 9554
- 3.75 GHz
- AMD EPYC Embedded 9655P
- 4.5 GHz
L3 Cache
- AMD EPYC 9554
- 256 MB-33%
- AMD EPYC Embedded 9655P
- 384 MBBest
Socket
- AMD EPYC 9554
- SP5
- AMD EPYC Embedded 9655P
- SP5
Multi-Socket Support
- AMD EPYC 9554
- 1P/2P
- AMD EPYC Embedded 9655P
- Single Socket Only
Memory Channels
- AMD EPYC 9554
- 12 channels
- AMD EPYC Embedded 9655P
- 12 channels
ECC Support
- AMD EPYC 9554
- Yes
- AMD EPYC Embedded 9655P
- Yes
TDP
- AMD EPYC 9554
- 360 W
- AMD EPYC Embedded 9655P
- 400 W
Which one should you pick?
Choose 9554 if you want the higher memory channels (12 channels vs 12 channels).
Choose 9655P if you want the higher L3 cache (384 MB vs 256 MB).
Verdict
AMD EPYC 9554
8.8 / 10 Expert Rating
The EPYC 9554 is a well-rounded high-core-count EPYC SKU that balances density, clocks, and power draw for mainstream data center use.