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AMD EPYC 9634 vs AMD EPYC Embedded 9745: Comparison
EPYC 9634 vs EPYC Embedded 9745 l3 cache compared
L3 cache is where these two genuinely part company, EPYC 9634 384 MB against EPYC Embedded 9745 256 MB, a 33% lead for EPYC 9634. There is a split on tdp as well, 290 W on the EPYC 9634 versus 400 W on the EPYC Embedded 9745. There is a split on core count as well, 84 cores on the EPYC 9634 versus 128 cores on the EPYC Embedded 9745. They differ on thread count too, 168 threads on the EPYC 9634 versus 256 threads on the EPYC Embedded 9745. There is a split on core architecture as well, Zen 4 "Genoa" on the EPYC 9634 versus Zen 5c on the EPYC Embedded 9745. They differ on base clock too, 2.25 GHz on the EPYC 9634 versus 2.4 GHz on the EPYC Embedded 9745. They differ on multi-socket support too, 1P/2P on the EPYC 9634 versus Dual Socket on the EPYC Embedded 9745.
Which should you buy, EPYC 9634 or EPYC Embedded 9745?
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 9745 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 9745 have in common
Everything else lines up. Boost clock, 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 9745
- 128 cores
Thread Count
- AMD EPYC 9634
- 168 threads
- AMD EPYC Embedded 9745
- 256 threads
Core Architecture
- AMD EPYC 9634
- Zen 4 "Genoa"
- AMD EPYC Embedded 9745
- Zen 5c
Base Clock
- AMD EPYC 9634
- 2.25 GHz
- AMD EPYC Embedded 9745
- 2.4 GHz
Boost Clock
- AMD EPYC 9634
- 3.7 GHz
- AMD EPYC Embedded 9745
- 3.7 GHz
L3 Cache
- AMD EPYC 9634
- 384 MBBest
- AMD EPYC Embedded 9745
- 256 MB-33%
Socket
- AMD EPYC 9634
- SP5
- AMD EPYC Embedded 9745
- SP5
Multi-Socket Support
- AMD EPYC 9634
- 1P/2P
- AMD EPYC Embedded 9745
- Dual Socket
Memory Channels
- AMD EPYC 9634
- 12 channels
- AMD EPYC Embedded 9745
- 12 channels
ECC Support
- AMD EPYC 9634
- Yes
- AMD EPYC Embedded 9745
- Yes
TDP
- AMD EPYC 9634
- 290 W
- AMD EPYC Embedded 9745
- 400 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 9745 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.