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AMD EPYC 9655 vs AMD EPYC Embedded 9555P: Comparison
EPYC 9655 vs EPYC Embedded 9555P l3 cache compared
Start with l3 cache, because it is the widest measured gap between them: EPYC 9655 384 MB against EPYC Embedded 9555P 256 MB, 33% in favour of EPYC 9655. Core count is not the same on both, 96 cores on the EPYC 9655 versus 64 cores on the EPYC Embedded 9555P. There is a split on thread count as well, 192 threads on the EPYC 9655 versus 128 threads on the EPYC Embedded 9555P. They differ on core architecture too, Zen 5 "Turin" on the EPYC 9655 versus Zen 5 on the EPYC Embedded 9555P. Base clock is not the same on both, 2.9 GHz on the EPYC 9655 versus 3.2 GHz on the EPYC Embedded 9555P. There is a split on multi-socket support as well, 1P/2P on the EPYC 9655 versus Single Socket Only on the EPYC Embedded 9555P.
Which should you buy, EPYC 9655 or EPYC Embedded 9555P?
Buy the EPYC 9655 for mixed virtualization and database workloads and high-throughput web tiers, though it is the wrong buy for maximum absolute core density needs and cost-sensitive small deployments. The EPYC Embedded 9555P 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 9655 (8.9/10): the EPYC 9655 is one of the best-balanced high-core-count EPYC SKUs, combining genuine density with clocks that don't lag far behind AMD's frequency-optimized parts.
What EPYC 9655 and EPYC Embedded 9555P have in common
The common ground is wider than the gap: boost clock, tdp, memory channels, socket and ecc support are identical here.
Specs and benchmarks
Core Count
- AMD EPYC 9655
- 96 cores
- AMD EPYC Embedded 9555P
- 64 cores
Thread Count
- AMD EPYC 9655
- 192 threads
- AMD EPYC Embedded 9555P
- 128 threads
Core Architecture
- AMD EPYC 9655
- Zen 5 "Turin"
- AMD EPYC Embedded 9555P
- Zen 5
Base Clock
- AMD EPYC 9655
- 2.9 GHz
- AMD EPYC Embedded 9555P
- 3.2 GHz
Boost Clock
- AMD EPYC 9655
- 4.4 GHz
- AMD EPYC Embedded 9555P
- 4.4 GHz
L3 Cache
- AMD EPYC 9655
- 384 MBBest
- AMD EPYC Embedded 9555P
- 256 MB-33%
Socket
- AMD EPYC 9655
- SP5
- AMD EPYC Embedded 9555P
- SP5
Multi-Socket Support
- AMD EPYC 9655
- 1P/2P
- AMD EPYC Embedded 9555P
- Single Socket Only
Memory Channels
- AMD EPYC 9655
- 12 channels
- AMD EPYC Embedded 9555P
- 12 channels
ECC Support
- AMD EPYC 9655
- Yes
- AMD EPYC Embedded 9555P
- Yes
TDP
- AMD EPYC 9655
- 360 W
- AMD EPYC Embedded 9555P
- 360 W
Which one should you pick?
Choose 9655 if you want the higher L3 cache (384 MB vs 256 MB) and the higher memory channels (12 channels vs 12 channels).
Choose 9555P if you already have it on hand or find it at a lower price.
Verdict
AMD EPYC 9655
8.9 / 10 Expert Rating
The EPYC 9655 is one of the best-balanced high-core-count EPYC SKUs, combining genuine density with clocks that don't lag far behind AMD's frequency-optimized parts.