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AMD EPYC 9384X vs AMD EPYC Embedded 9845: Comparison
What is the difference between EPYC 9384X and EPYC Embedded 9845?
The gap that matters here is l3 cache: EPYC 9384X 768 MB against EPYC Embedded 9845 320 MB, which puts EPYC 9384X 58% ahead. They differ on boost clock too, 3.9 GHz on the EPYC 9384X versus 3.7 GHz on the EPYC Embedded 9845. There is a split on tdp as well, 320 W on the EPYC 9384X versus 390 W on the EPYC Embedded 9845. Core count is not the same on both, 32 cores on the EPYC 9384X versus 160 cores on the EPYC Embedded 9845. There is a split on thread count as well, 64 threads on the EPYC 9384X versus 320 threads on the EPYC Embedded 9845. Core architecture is not the same on both, Zen 4 "Genoa" on the EPYC 9384X versus Zen 5c on the EPYC Embedded 9845. They differ on base clock too, 3.1 GHz on the EPYC 9384X versus 2.1 GHz on the EPYC Embedded 9845. There is a split on multi-socket support as well, 1P/2P on the EPYC 9384X versus Dual Socket on the EPYC Embedded 9845.
Which should you buy, EPYC 9384X or EPYC Embedded 9845?
The EPYC 9384X suits EDA and chip design workloads and technical computing with large working sets, though it is not the pick for general-purpose virtualization and budget-conscious deployments. Buy the EPYC Embedded 9845 for industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is the wrong buy for consumer desktop or gaming builds and DIY PC upgrades. Our rating of the EPYC 9384X (9/10): the EPYC 9384X is a specialist chip: exceptional for cache-bound EDA and technical computing, overkill for anything else.
Where the two are identical
Where they agree, they agree completely, memory channels, socket and ecc support included, so the decision does not turn on any of those.
Specs and benchmarks
Core Count
- AMD EPYC 9384X
- 32 cores
- AMD EPYC Embedded 9845
- 160 cores
Thread Count
- AMD EPYC 9384X
- 64 threads
- AMD EPYC Embedded 9845
- 320 threads
Core Architecture
- AMD EPYC 9384X
- Zen 4 "Genoa"
- AMD EPYC Embedded 9845
- Zen 5c
Base Clock
- AMD EPYC 9384X
- 3.1 GHz
- AMD EPYC Embedded 9845
- 2.1 GHz
Boost Clock
- AMD EPYC 9384X
- 3.9 GHz
- AMD EPYC Embedded 9845
- 3.7 GHz
L3 Cache
- AMD EPYC 9384X
- 768 MBBest
- AMD EPYC Embedded 9845
- 320 MB-58%
Socket
- AMD EPYC 9384X
- SP5
- AMD EPYC Embedded 9845
- SP5
Multi-Socket Support
- AMD EPYC 9384X
- 1P/2P
- AMD EPYC Embedded 9845
- Dual Socket
Memory Channels
- AMD EPYC 9384X
- 12 channels
- AMD EPYC Embedded 9845
- 12 channels
ECC Support
- AMD EPYC 9384X
- Yes
- AMD EPYC Embedded 9845
- Yes
TDP
- AMD EPYC 9384X
- 320 W
- AMD EPYC Embedded 9845
- 390 W
Which one should you pick?
Choose 9384X if you want the higher L3 cache (768 MB vs 320 MB) and the higher memory channels (12 channels vs 12 channels).
Choose 9845 if you already have it on hand or find it at a lower price.
Verdict
AMD EPYC 9384X
9 / 10 Expert Rating
The EPYC 9384X is a specialist chip: exceptional for cache-bound EDA and technical computing, overkill for anything else.