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AMD EPYC 9965 vs AMD EPYC Embedded 9555: Comparison
EPYC 9965 vs EPYC Embedded 9555: the l3 cache difference
L3 cache is where these two genuinely part company, EPYC 9965 384 MB against EPYC Embedded 9555 256 MB, a 33% lead for EPYC 9965. They differ on boost clock too, 3.7 GHz on the EPYC 9965 versus 4.4 GHz on the EPYC Embedded 9555. They differ on tdp too, 500 W on the EPYC 9965 versus 360 W on the EPYC Embedded 9555. Core count is not the same on both, 192 cores on the EPYC 9965 versus 64 cores on the EPYC Embedded 9555. They differ on thread count too, 384 threads on the EPYC 9965 versus 128 threads on the EPYC Embedded 9555. Core architecture is not the same on both, Zen 5c "Turin Dense" on the EPYC 9965 versus Zen 5 on the EPYC Embedded 9555. Base clock is not the same on both, 2.25 GHz on the EPYC 9965 versus 3.2 GHz on the EPYC Embedded 9555. There is a split on multi-socket support as well, Dual Socket on the EPYC 9965 versus 1P/2P on the EPYC Embedded 9555.
Which should you buy, EPYC 9965 or EPYC Embedded 9555?
Buy the EPYC 9965 for extreme-density hyperscale cloud hosting and massive container orchestration clusters, though it is the wrong buy for small to mid-size deployments and single-thread or latency-sensitive workloads. The EPYC Embedded 9555 suits industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is not the pick for consumer desktop or gaming builds and DIY PC upgrades. Our rating of the EPYC 9965 (9.4/10): the EPYC 9965 is AMD's absolute core-count flagship, justified only for the largest hyperscale deployments that can keep 192 cores genuinely busy.
What EPYC 9965 and EPYC Embedded 9555 have in common
Where they agree, they agree completely, socket included, so the decision does not turn on any of those.
Specs and benchmarks
Core Count
- AMD EPYC 9965
- 192 cores
- AMD EPYC Embedded 9555
- 64 cores
Thread Count
- AMD EPYC 9965
- 384 threads
- AMD EPYC Embedded 9555
- 128 threads
Core Architecture
- AMD EPYC 9965
- Zen 5c "Turin Dense"
- AMD EPYC Embedded 9555
- Zen 5
Base Clock
- AMD EPYC 9965
- 2.25 GHz
- AMD EPYC Embedded 9555
- 3.2 GHz
Boost Clock
- AMD EPYC 9965
- 3.7 GHz
- AMD EPYC Embedded 9555
- 4.4 GHz
L3 Cache
- AMD EPYC 9965
- 384 MBBest
- AMD EPYC Embedded 9555
- 256 MB-33%
Socket
- AMD EPYC 9965
- SP5
- AMD EPYC Embedded 9555
- SP5
Multi-Socket Support
- AMD EPYC 9965
- Dual Socket
- AMD EPYC Embedded 9555
- 1P/2P
TDP
- AMD EPYC 9965
- 500 W
- AMD EPYC Embedded 9555
- 360 W
Which one should you pick?
Choose 9965 if you want the higher L3 cache (384 MB vs 256 MB).
Choose 9555 if you already have it on hand or find it at a lower price.
Verdict
AMD EPYC 9965
9.4 / 10 Expert Rating
The EPYC 9965 is AMD's absolute core-count flagship, justified only for the largest hyperscale deployments that can keep 192 cores genuinely busy.