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AMD EPYC 9124 vs AMD EPYC Embedded 9745: Comparison
What is the difference between EPYC 9124 and EPYC Embedded 9745?
L3 cache is where these two genuinely part company, EPYC 9124 64 MB against EPYC Embedded 9745 256 MB, a 75% lead for EPYC Embedded 9745. Tdp is not the same on both, 200 W on the EPYC 9124 versus 400 W on the EPYC Embedded 9745. Core count is not the same on both, 16 cores on the EPYC 9124 versus 128 cores on the EPYC Embedded 9745. There is a split on thread count as well, 32 threads on the EPYC 9124 versus 256 threads on the EPYC Embedded 9745. Core architecture is not the same on both, Zen 4 "Genoa" on the EPYC 9124 versus Zen 5c on the EPYC Embedded 9745. There is a split on base clock as well, 3.0 GHz on the EPYC 9124 versus 2.4 GHz on the EPYC Embedded 9745. There is a split on multi-socket support as well, 1P/2P on the EPYC 9124 versus Dual Socket on the EPYC Embedded 9745.
Which should you buy, EPYC 9124 or EPYC Embedded 9745?
The EPYC 9124 suits small to mid-size server deployments and edge infrastructure, though it is not the pick for maximum core density workloads and large-scale hyperscale deployments. The EPYC Embedded 9745 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.
What EPYC 9124 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 9124
- 16 cores
- AMD EPYC Embedded 9745
- 128 cores
Thread Count
- AMD EPYC 9124
- 32 threads
- AMD EPYC Embedded 9745
- 256 threads
Core Architecture
- AMD EPYC 9124
- Zen 4 "Genoa"
- AMD EPYC Embedded 9745
- Zen 5c
Base Clock
- AMD EPYC 9124
- 3.0 GHz
- AMD EPYC Embedded 9745
- 2.4 GHz
Boost Clock
- AMD EPYC 9124
- 3.7 GHz
- AMD EPYC Embedded 9745
- 3.7 GHz
L3 Cache
- AMD EPYC 9124
- 64 MB-75%
- AMD EPYC Embedded 9745
- 256 MBBest
Socket
- AMD EPYC 9124
- SP5
- AMD EPYC Embedded 9745
- SP5
Multi-Socket Support
- AMD EPYC 9124
- 1P/2P
- AMD EPYC Embedded 9745
- Dual Socket
Memory Channels
- AMD EPYC 9124
- 12 channels
- AMD EPYC Embedded 9745
- 12 channels
ECC Support
- AMD EPYC 9124
- Yes
- AMD EPYC Embedded 9745
- Yes
TDP
- AMD EPYC 9124
- 200 W
- AMD EPYC Embedded 9745
- 400 W
Which one should you pick?
Choose 9124 if you want the higher memory channels (12 channels vs 12 channels).
Choose 9745 if you want the higher L3 cache (256 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.