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AMD EPYC 9115 vs AMD EPYC Embedded 9845: Comparison
EPYC 9115 vs EPYC Embedded 9845: the l3 cache difference
The gap that matters here is l3 cache: EPYC 9115 128 MB against EPYC Embedded 9845 320 MB, which puts EPYC Embedded 9845 60% ahead. They differ on boost clock too, 4.1 GHz on the EPYC 9115 versus 3.7 GHz on the EPYC Embedded 9845. There is a split on tdp as well, 125 W on the EPYC 9115 versus 390 W on the EPYC Embedded 9845. Core count is not the same on both, 16 cores on the EPYC 9115 versus 160 cores on the EPYC Embedded 9845. They differ on thread count too, 32 threads on the EPYC 9115 versus 320 threads on the EPYC Embedded 9845. There is a split on core architecture as well, Zen 5 "Turin" on the EPYC 9115 versus Zen 5c on the EPYC Embedded 9845. Base clock is not the same on both, 2.6 GHz on the EPYC 9115 versus 2.1 GHz on the EPYC Embedded 9845. They differ on multi-socket support too, 1P/2P on the EPYC 9115 versus Dual Socket on the EPYC Embedded 9845.
Which should you buy, EPYC 9115 or EPYC Embedded 9845?
The EPYC 9115 is the one to take for power-constrained edge deployments and small to mid-size virtualization hosts, though it is the wrong buy for maximum core density workloads and large-scale hyperscale deployments. The EPYC Embedded 9845 suits 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.
Where the two are identical
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 9845
- 160 cores
Thread Count
- AMD EPYC 9115
- 32 threads
- AMD EPYC Embedded 9845
- 320 threads
Core Architecture
- AMD EPYC 9115
- Zen 5 "Turin"
- AMD EPYC Embedded 9845
- Zen 5c
Base Clock
- AMD EPYC 9115
- 2.6 GHz
- AMD EPYC Embedded 9845
- 2.1 GHz
Boost Clock
- AMD EPYC 9115
- 4.1 GHz
- AMD EPYC Embedded 9845
- 3.7 GHz
L3 Cache
- AMD EPYC 9115
- 128 MB-60%
- AMD EPYC Embedded 9845
- 320 MBBest
Socket
- AMD EPYC 9115
- SP5
- AMD EPYC Embedded 9845
- SP5
Multi-Socket Support
- AMD EPYC 9115
- 1P/2P
- AMD EPYC Embedded 9845
- Dual Socket
Memory Channels
- AMD EPYC 9115
- 12 channels
- AMD EPYC Embedded 9845
- 12 channels
ECC Support
- AMD EPYC 9115
- Yes
- AMD EPYC Embedded 9845
- Yes
TDP
- AMD EPYC 9115
- 125 W
- AMD EPYC Embedded 9845
- 390 W
Which one should you pick?
Choose 9115 if you want the higher memory channels (12 channels vs 12 channels).
Choose 9845 if you want the higher L3 cache (320 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.