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AMD EPYC 9254 vs AMD EPYC Embedded 9655: Comparison
What is the difference between EPYC 9254 and EPYC Embedded 9655?
L3 cache is where these two genuinely part company, EPYC 9254 128 MB against EPYC Embedded 9655 384 MB, a 67% lead for EPYC Embedded 9655. They differ on boost clock too, Up to 4.15 GHz on the EPYC 9254 versus 4.5 GHz on the EPYC Embedded 9655. They differ on tdp too, 200 W on the EPYC 9254 versus 400 W on the EPYC Embedded 9655. Release year is not the same on both, 2022 on the EPYC 9254 versus 2025 on the EPYC Embedded 9655. Core count is not the same on both, 24 cores on the EPYC 9254 versus 96 cores on the EPYC Embedded 9655. There is a split on thread count as well, 48 threads on the EPYC 9254 versus 192 threads on the EPYC Embedded 9655. There is a split on base clock as well, 2.9 GHz on the EPYC 9254 versus 2.6 GHz on the EPYC Embedded 9655. They differ on multi-socket support too, 1P / 2P on the EPYC 9254 versus Dual Socket on the EPYC Embedded 9655. Max memory speed is closer, 4800 MT/s on the EPYC 9254 versus 6000 MT/s on the EPYC Embedded 9655.
Which should you buy, EPYC 9254 or EPYC Embedded 9655?
The EPYC 9254 suits datacenter and cloud compute and virtualization-dense server workloads, though it is the wrong buy for consumer desktop builds and single-threaded latency-sensitive workloads on lower core-count SKUs. The EPYC Embedded 9655 is the one to take for 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.
What EPYC 9254 and EPYC Embedded 9655 have in common
Everything else lines up. Memory channels, pcie lanes, socket and pcie generation read the same on both, so those are not worth weighing.
Specs and benchmarks
Release Year
- AMD EPYC 9254
- 2022
- AMD EPYC Embedded 9655
- 2025
Core Count
- AMD EPYC 9254
- 24 cores
- AMD EPYC Embedded 9655
- 96 cores
Thread Count
- AMD EPYC 9254
- 48 threads
- AMD EPYC Embedded 9655
- 192 threads
Base Clock
- AMD EPYC 9254
- 2.9 GHz
- AMD EPYC Embedded 9655
- 2.6 GHz
Boost Clock
- AMD EPYC 9254
- Up to 4.15 GHz
- AMD EPYC Embedded 9655
- 4.5 GHz
L3 Cache
- AMD EPYC 9254
- 128 MB-67%
- AMD EPYC Embedded 9655
- 384 MBBest
Socket
- AMD EPYC 9254
- SP5
- AMD EPYC Embedded 9655
- SP5
Multi-Socket Support
- AMD EPYC 9254
- 1P / 2P
- AMD EPYC Embedded 9655
- Dual Socket
Memory Channels
- AMD EPYC 9254
- 12 channels
- AMD EPYC Embedded 9655
- 12 channels
Max Memory Speed
- AMD EPYC 9254
- 4800 MT/s
- AMD EPYC Embedded 9655
- 6000 MT/sBest
PCIe Lanes
- AMD EPYC 9254
- 128 lanes
- AMD EPYC Embedded 9655
- 128 lanes
PCIe Generation
- AMD EPYC 9254
- PCIe 5.0
- AMD EPYC Embedded 9655
- PCIe 5.0
TDP
- AMD EPYC 9254
- 200 W
- AMD EPYC Embedded 9655
- 400 W
Which one should you pick?
Choose 9254 if you want the higher memory channels (12 channels vs 12 channels) and the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 9655 if you want the higher L3 cache (384 MB vs 128 MB).