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AMD EPYC 9634 vs AMD EPYC Embedded 9845: Comparison
What is the difference between EPYC 9634 and EPYC Embedded 9845?
The gap that matters here is l3 cache: EPYC 9634 384 MB against EPYC Embedded 9845 320 MB, which puts EPYC 9634 17% ahead. Tdp is not the same on both, 290 W on the EPYC 9634 versus 390 W on the EPYC Embedded 9845. They differ on core count too, 84 cores on the EPYC 9634 versus 160 cores on the EPYC Embedded 9845. There is a split on thread count as well, 168 threads on the EPYC 9634 versus 320 threads on the EPYC Embedded 9845. Core architecture is not the same on both, Zen 4 "Genoa" on the EPYC 9634 versus Zen 5c on the EPYC Embedded 9845. They differ on base clock too, 2.25 GHz on the EPYC 9634 versus 2.1 GHz on the EPYC Embedded 9845. There is a split on multi-socket support as well, 1P/2P on the EPYC 9634 versus Dual Socket on the EPYC Embedded 9845.
EPYC 9634 vs EPYC Embedded 9845: which one fits your build
The EPYC 9634 is the one to take 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 9845 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. 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
Where they agree, they agree completely, boost clock, 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 9845
- 160 cores
Thread Count
- AMD EPYC 9634
- 168 threads
- AMD EPYC Embedded 9845
- 320 threads
Core Architecture
- AMD EPYC 9634
- Zen 4 "Genoa"
- AMD EPYC Embedded 9845
- Zen 5c
Base Clock
- AMD EPYC 9634
- 2.25 GHz
- AMD EPYC Embedded 9845
- 2.1 GHz
Boost Clock
- AMD EPYC 9634
- 3.7 GHz
- AMD EPYC Embedded 9845
- 3.7 GHz
L3 Cache
- AMD EPYC 9634
- 384 MBBest
- AMD EPYC Embedded 9845
- 320 MB-17%
Socket
- AMD EPYC 9634
- SP5
- AMD EPYC Embedded 9845
- SP5
Multi-Socket Support
- AMD EPYC 9634
- 1P/2P
- AMD EPYC Embedded 9845
- Dual Socket
Memory Channels
- AMD EPYC 9634
- 12 channels
- AMD EPYC Embedded 9845
- 12 channels
ECC Support
- AMD EPYC 9634
- Yes
- AMD EPYC Embedded 9845
- Yes
TDP
- AMD EPYC 9634
- 290 W
- AMD EPYC Embedded 9845
- 390 W
Which one should you pick?
Choose 9634 if you want the higher L3 cache (384 MB vs 320 MB) and the higher memory channels (12 channels vs 12 channels).
Choose 9845 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.