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AMD EPYC 9115 vs AMD EPYC Embedded 9745: Comparison
EPYC 9115 vs EPYC Embedded 9745: the l3 cache difference
L3 cache is where these two genuinely part company, EPYC 9115 128 MB against EPYC Embedded 9745 256 MB, a 50% lead for EPYC Embedded 9745. There is a split on boost clock as well, 4.1 GHz on the EPYC 9115 versus 3.7 GHz on the EPYC Embedded 9745. There is a split on tdp as well, 125 W on the EPYC 9115 versus 400 W on the EPYC Embedded 9745. They differ on core count too, 16 cores on the EPYC 9115 versus 128 cores on the EPYC Embedded 9745. There is a split on thread count as well, 32 threads on the EPYC 9115 versus 256 threads on the EPYC Embedded 9745. They differ on core architecture too, Zen 5 "Turin" on the EPYC 9115 versus Zen 5c on the EPYC Embedded 9745. They differ on base clock too, 2.6 GHz on the EPYC 9115 versus 2.4 GHz on the EPYC Embedded 9745. Multi-socket support is not the same on both, 1P/2P on the EPYC 9115 versus Dual Socket on the EPYC Embedded 9745.
Which should you buy, EPYC 9115 or EPYC Embedded 9745?
The EPYC 9115 is the one to take for power-constrained edge deployments and small to mid-size virtualization hosts, though it is not the pick for maximum core density workloads and large-scale hyperscale deployments. Buy the EPYC Embedded 9745 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 9115 (8.5/10): the EPYC 9115 is a well-balanced low-power entry point that still gets the full EPYC platform's memory bandwidth advantage.
What EPYC 9115 and EPYC Embedded 9745 have in common
Everything else lines up. Memory channels, socket and ecc support read the same on both, so those are not worth weighing.
Specs and benchmarks
Core Count
- AMD EPYC 9115
- 16 cores
- AMD EPYC Embedded 9745
- 128 cores
Thread Count
- AMD EPYC 9115
- 32 threads
- AMD EPYC Embedded 9745
- 256 threads
Core Architecture
- AMD EPYC 9115
- Zen 5 "Turin"
- AMD EPYC Embedded 9745
- Zen 5c
Base Clock
- AMD EPYC 9115
- 2.6 GHz
- AMD EPYC Embedded 9745
- 2.4 GHz
Boost Clock
- AMD EPYC 9115
- 4.1 GHz
- AMD EPYC Embedded 9745
- 3.7 GHz
L3 Cache
- AMD EPYC 9115
- 128 MB-50%
- AMD EPYC Embedded 9745
- 256 MBBest
Socket
- AMD EPYC 9115
- SP5
- AMD EPYC Embedded 9745
- SP5
Multi-Socket Support
- AMD EPYC 9115
- 1P/2P
- AMD EPYC Embedded 9745
- Dual Socket
Memory Channels
- AMD EPYC 9115
- 12 channels
- AMD EPYC Embedded 9745
- 12 channels
ECC Support
- AMD EPYC 9115
- Yes
- AMD EPYC Embedded 9745
- Yes
TDP
- AMD EPYC 9115
- 125 W
- AMD EPYC Embedded 9745
- 400 W
Which one should you pick?
Choose 9115 if you want the higher memory channels (12 channels vs 12 channels).
Choose 9745 if you want the higher L3 cache (256 MB vs 128 MB).
Verdict
AMD EPYC 9115
8.5 / 10 Expert Rating
The EPYC 9115 is a well-balanced low-power entry point that still gets the full EPYC platform's memory bandwidth advantage.