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AMD EPYC 9634 vs AMD EPYC Embedded 9655: Comparison
EPYC 9634 vs EPYC Embedded 9655: the boost clock difference
They are built to different briefs, and boost clock shows it, EPYC 9634 3.7 GHz against EPYC Embedded 9655 4.5 GHz. There is a split on tdp as well, 290 W on the EPYC 9634 versus 400 W on the EPYC Embedded 9655. They differ on core count too, 84 cores on the EPYC 9634 versus 96 cores on the EPYC Embedded 9655. Thread count is not the same on both, 168 threads on the EPYC 9634 versus 192 threads on the EPYC Embedded 9655. There is a split on core architecture as well, Zen 4 "Genoa" on the EPYC 9634 versus Zen 5 on the EPYC Embedded 9655. They differ on base clock too, 2.25 GHz on the EPYC 9634 versus 2.6 GHz on the EPYC Embedded 9655. Multi-socket support is not the same on both, 1P/2P on the EPYC 9634 versus Dual Socket on the EPYC Embedded 9655.
Who each one is for
Buy the EPYC 9634 for virtualization hosts and database servers, though it is the wrong buy for cost-sensitive small deployments and single-threaded legacy applications. The EPYC Embedded 9655 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 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.
What EPYC 9634 and EPYC Embedded 9655 have in common
Where they agree, they agree completely, l3 cache, memory channels, socket and ecc support included, so the decision does not turn on any of those.
Specs and benchmarks
Core Count
- AMD EPYC 9634
- 84 cores
- AMD EPYC Embedded 9655
- 96 cores
Thread Count
- AMD EPYC 9634
- 168 threads
- AMD EPYC Embedded 9655
- 192 threads
Core Architecture
- AMD EPYC 9634
- Zen 4 "Genoa"
- AMD EPYC Embedded 9655
- Zen 5
Base Clock
- AMD EPYC 9634
- 2.25 GHz
- AMD EPYC Embedded 9655
- 2.6 GHz
Boost Clock
- AMD EPYC 9634
- 3.7 GHz
- AMD EPYC Embedded 9655
- 4.5 GHz
L3 Cache
- AMD EPYC 9634
- 384 MB
- AMD EPYC Embedded 9655
- 384 MB
Socket
- AMD EPYC 9634
- SP5
- AMD EPYC Embedded 9655
- SP5
Multi-Socket Support
- AMD EPYC 9634
- 1P/2P
- AMD EPYC Embedded 9655
- Dual Socket
Memory Channels
- AMD EPYC 9634
- 12 channels
- AMD EPYC Embedded 9655
- 12 channels
ECC Support
- AMD EPYC 9634
- Yes
- AMD EPYC Embedded 9655
- Yes
TDP
- AMD EPYC 9634
- 290 W
- AMD EPYC Embedded 9655
- 400 W
Which one should you pick?
Choose 9634 if you want the higher L3 cache (384 MB vs 384 MB) and the higher memory channels (12 channels vs 12 channels).
Choose 9655 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.