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AMD EPYC 9634 vs AMD EPYC Embedded 9555P: Comparison
What is the difference between EPYC 9634 and EPYC Embedded 9555P?
The gap that matters here is l3 cache: EPYC 9634 384 MB against EPYC Embedded 9555P 256 MB, which puts EPYC 9634 33% ahead. Boost clock is not the same on both, 3.7 GHz on the EPYC 9634 versus 4.4 GHz on the EPYC Embedded 9555P. They differ on tdp too, 290 W on the EPYC 9634 versus 360 W on the EPYC Embedded 9555P. There is a split on core count as well, 84 cores on the EPYC 9634 versus 64 cores on the EPYC Embedded 9555P. They differ on thread count too, 168 threads on the EPYC 9634 versus 128 threads on the EPYC Embedded 9555P. There is a split on core architecture as well, Zen 4 "Genoa" on the EPYC 9634 versus Zen 5 on the EPYC Embedded 9555P. Base clock is not the same on both, 2.25 GHz on the EPYC 9634 versus 3.2 GHz on the EPYC Embedded 9555P. They differ on multi-socket support too, 1P/2P on the EPYC 9634 versus Single Socket Only on the EPYC Embedded 9555P.
EPYC 9634 vs EPYC Embedded 9555P: which one fits your build
Buy the EPYC 9634 for virtualization hosts and database servers, though it is not the pick for cost-sensitive small deployments and single-threaded legacy applications. The EPYC Embedded 9555P 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. Our rating of the EPYC 9634 (8.8/10): the EPYC 9634 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
Everything else lines up. Memory channels, socket and ecc support read the same on both, so those are not worth weighing.
Specs and benchmarks
Core Count
- AMD EPYC 9634
- 84 cores
- AMD EPYC Embedded 9555P
- 64 cores
Thread Count
- AMD EPYC 9634
- 168 threads
- AMD EPYC Embedded 9555P
- 128 threads
Core Architecture
- AMD EPYC 9634
- Zen 4 "Genoa"
- AMD EPYC Embedded 9555P
- Zen 5
Base Clock
- AMD EPYC 9634
- 2.25 GHz
- AMD EPYC Embedded 9555P
- 3.2 GHz
Boost Clock
- AMD EPYC 9634
- 3.7 GHz
- AMD EPYC Embedded 9555P
- 4.4 GHz
L3 Cache
- AMD EPYC 9634
- 384 MBBest
- AMD EPYC Embedded 9555P
- 256 MB-33%
Socket
- AMD EPYC 9634
- SP5
- AMD EPYC Embedded 9555P
- SP5
Multi-Socket Support
- AMD EPYC 9634
- 1P/2P
- AMD EPYC Embedded 9555P
- Single Socket Only
Memory Channels
- AMD EPYC 9634
- 12 channels
- AMD EPYC Embedded 9555P
- 12 channels
ECC Support
- AMD EPYC 9634
- Yes
- AMD EPYC Embedded 9555P
- Yes
TDP
- AMD EPYC 9634
- 290 W
- AMD EPYC Embedded 9555P
- 360 W
Which one should you pick?
Choose 9634 if you want the higher L3 cache (384 MB vs 256 MB) and the higher memory channels (12 channels vs 12 channels).
Choose 9555P if you already have it on hand or find it at a lower price.
Verdict
AMD EPYC 9634
8.8 / 10 Expert Rating
The EPYC 9634 is a well-rounded high-core-count EPYC SKU that balances density, clocks, and power draw for mainstream data center use.