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AMD EPYC 9355 vs AMD EPYC Embedded 9845: Comparison
What is the difference between EPYC 9355 and EPYC Embedded 9845?
On l3 cache the spread is 20%, EPYC 9355 256 MB against EPYC Embedded 9845 320 MB, so EPYC Embedded 9845 takes it. Boost clock is not the same on both, 4.4 GHz on the EPYC 9355 versus 3.7 GHz on the EPYC Embedded 9845. Tdp is not the same on both, 280 W on the EPYC 9355 versus 390 W on the EPYC Embedded 9845. They differ on core count too, 32 cores on the EPYC 9355 versus 160 cores on the EPYC Embedded 9845. Thread count is not the same on both, 64 threads on the EPYC 9355 versus 320 threads on the EPYC Embedded 9845. They differ on core architecture too, Zen 5 "Turin" on the EPYC 9355 versus Zen 5c on the EPYC Embedded 9845. They differ on base clock too, 3.55 GHz on the EPYC 9355 versus 2.1 GHz on the EPYC Embedded 9845. There is a split on multi-socket support as well, 1P/2P on the EPYC 9355 versus Dual Socket on the EPYC Embedded 9845.
Who each one is for
The EPYC 9355 is the one to take 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 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 9355 (8.4/10): the EPYC 9355 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. Memory channels, socket and ecc support read the same on both, so those are not worth weighing.
Specs and benchmarks
Core Count
- AMD EPYC 9355
- 32 cores
- AMD EPYC Embedded 9845
- 160 cores
Thread Count
- AMD EPYC 9355
- 64 threads
- AMD EPYC Embedded 9845
- 320 threads
Core Architecture
- AMD EPYC 9355
- Zen 5 "Turin"
- AMD EPYC Embedded 9845
- Zen 5c
Base Clock
- AMD EPYC 9355
- 3.55 GHz
- AMD EPYC Embedded 9845
- 2.1 GHz
Boost Clock
- AMD EPYC 9355
- 4.4 GHz
- AMD EPYC Embedded 9845
- 3.7 GHz
L3 Cache
- AMD EPYC 9355
- 256 MB-20%
- AMD EPYC Embedded 9845
- 320 MBBest
Socket
- AMD EPYC 9355
- SP5
- AMD EPYC Embedded 9845
- SP5
Multi-Socket Support
- AMD EPYC 9355
- 1P/2P
- AMD EPYC Embedded 9845
- Dual Socket
Memory Channels
- AMD EPYC 9355
- 12 channels
- AMD EPYC Embedded 9845
- 12 channels
ECC Support
- AMD EPYC 9355
- Yes
- AMD EPYC Embedded 9845
- Yes
TDP
- AMD EPYC 9355
- 280 W
- AMD EPYC Embedded 9845
- 390 W
Which one should you pick?
Choose 9355 if you want the higher memory channels (12 channels vs 12 channels).
Choose 9845 if you want the higher L3 cache (320 MB vs 256 MB).
Verdict
AMD EPYC 9355
8.4 / 10 Expert Rating
The EPYC 9355 is a sensible entry point into the EPYC platform for smaller deployments that still want server-grade memory bandwidth and reliability.