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AMD EPYC 9124 vs AMD EPYC Embedded 9845: Comparison
What is the difference between EPYC 9124 and EPYC Embedded 9845?
The gap that matters here is l3 cache: EPYC 9124 64 MB against EPYC Embedded 9845 320 MB, which puts EPYC Embedded 9845 80% ahead. They differ on tdp too, 200 W on the EPYC 9124 versus 390 W on the EPYC Embedded 9845. There is a split on core count as well, 16 cores on the EPYC 9124 versus 160 cores on the EPYC Embedded 9845. Thread count is not the same on both, 32 threads on the EPYC 9124 versus 320 threads on the EPYC Embedded 9845. They differ on core architecture too, Zen 4 "Genoa" on the EPYC 9124 versus Zen 5c on the EPYC Embedded 9845. There is a split on base clock as well, 3.0 GHz on the EPYC 9124 versus 2.1 GHz on the EPYC Embedded 9845. Multi-socket support is not the same on both, 1P/2P on the EPYC 9124 versus Dual Socket on the EPYC Embedded 9845.
EPYC 9124 vs EPYC Embedded 9845: which one fits your build
Buy the EPYC 9124 for small to mid-size server deployments and edge infrastructure, though it is the wrong buy for maximum core density workloads and large-scale hyperscale deployments. The EPYC Embedded 9845 is the one to take for industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is not built for consumer desktop or gaming builds and DIY PC upgrades. Our rating of the EPYC 9124 (8.4/10): the EPYC 9124 is a sensible entry point into the EPYC platform for smaller deployments that still want server-grade memory bandwidth and reliability.
Where the two are identical
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 9124
- 16 cores
- AMD EPYC Embedded 9845
- 160 cores
Thread Count
- AMD EPYC 9124
- 32 threads
- AMD EPYC Embedded 9845
- 320 threads
Core Architecture
- AMD EPYC 9124
- Zen 4 "Genoa"
- AMD EPYC Embedded 9845
- Zen 5c
Base Clock
- AMD EPYC 9124
- 3.0 GHz
- AMD EPYC Embedded 9845
- 2.1 GHz
Boost Clock
- AMD EPYC 9124
- 3.7 GHz
- AMD EPYC Embedded 9845
- 3.7 GHz
L3 Cache
- AMD EPYC 9124
- 64 MB-80%
- AMD EPYC Embedded 9845
- 320 MBBest
Socket
- AMD EPYC 9124
- SP5
- AMD EPYC Embedded 9845
- SP5
Multi-Socket Support
- AMD EPYC 9124
- 1P/2P
- AMD EPYC Embedded 9845
- Dual Socket
Memory Channels
- AMD EPYC 9124
- 12 channels
- AMD EPYC Embedded 9845
- 12 channels
ECC Support
- AMD EPYC 9124
- Yes
- AMD EPYC Embedded 9845
- Yes
TDP
- AMD EPYC 9124
- 200 W
- AMD EPYC Embedded 9845
- 390 W
Which one should you pick?
Choose 9124 if you want the higher memory channels (12 channels vs 12 channels).
Choose 9845 if you want the higher L3 cache (320 MB vs 64 MB).
Verdict
AMD EPYC 9124
8.4 / 10 Expert Rating
The EPYC 9124 is a sensible entry point into the EPYC platform for smaller deployments that still want server-grade memory bandwidth and reliability.