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AMD EPYC 9965 vs AMD EPYC Embedded 9455: Comparison
EPYC 9965 vs EPYC Embedded 9455: the l3 cache difference
On l3 cache the spread is 33%, EPYC 9965 384 MB against EPYC Embedded 9455 256 MB, so EPYC 9965 takes it. They differ on boost clock too, 3.7 GHz on the EPYC 9965 versus 4.4 GHz on the EPYC Embedded 9455. They differ on tdp too, 500 W on the EPYC 9965 versus 300 W on the EPYC Embedded 9455. There is a split on core count as well, 192 cores on the EPYC 9965 versus 48 cores on the EPYC Embedded 9455. There is a split on thread count as well, 384 threads on the EPYC 9965 versus 96 threads on the EPYC Embedded 9455. Core architecture is not the same on both, Zen 5c "Turin Dense" on the EPYC 9965 versus Zen 5 on the EPYC Embedded 9455. Base clock is not the same on both, 2.25 GHz on the EPYC 9965 versus 3.15 GHz on the EPYC Embedded 9455. They differ on multi-socket support too, Dual Socket on the EPYC 9965 versus 1P/2P on the EPYC Embedded 9455.
Which should you buy, EPYC 9965 or EPYC Embedded 9455?
The EPYC 9965 is the one to take 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 9455 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 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.
Where the two are identical
Everything else lines up. Socket read the same on both, so those are not worth weighing.
Specs and benchmarks
Core Count
- AMD EPYC 9965
- 192 cores
- AMD EPYC Embedded 9455
- 48 cores
Thread Count
- AMD EPYC 9965
- 384 threads
- AMD EPYC Embedded 9455
- 96 threads
Core Architecture
- AMD EPYC 9965
- Zen 5c "Turin Dense"
- AMD EPYC Embedded 9455
- Zen 5
Base Clock
- AMD EPYC 9965
- 2.25 GHz
- AMD EPYC Embedded 9455
- 3.15 GHz
Boost Clock
- AMD EPYC 9965
- 3.7 GHz
- AMD EPYC Embedded 9455
- 4.4 GHz
L3 Cache
- AMD EPYC 9965
- 384 MBBest
- AMD EPYC Embedded 9455
- 256 MB-33%
Socket
- AMD EPYC 9965
- SP5
- AMD EPYC Embedded 9455
- SP5
Multi-Socket Support
- AMD EPYC 9965
- Dual Socket
- AMD EPYC Embedded 9455
- 1P/2P
TDP
- AMD EPYC 9965
- 500 W
- AMD EPYC Embedded 9455
- 300 W
Which one should you pick?
Choose 9965 if you want the higher L3 cache (384 MB vs 256 MB).
Choose 9455 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.