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AMD EPYC 9254 vs AMD EPYC Embedded 9845: Comparison
EPYC 9254 vs EPYC Embedded 9845: the l3 cache difference
On l3 cache the spread is 60%, EPYC 9254 128 MB against EPYC Embedded 9845 320 MB, so EPYC Embedded 9845 takes it. They differ on boost clock too, Up to 4.15 GHz on the EPYC 9254 versus 3.7 GHz on the EPYC Embedded 9845. They differ on tdp too, 200 W on the EPYC 9254 versus 390 W on the EPYC Embedded 9845. There is a split on release year as well, 2022 on the EPYC 9254 versus 2025 on the EPYC Embedded 9845. There is a split on core count as well, 24 cores on the EPYC 9254 versus 160 cores on the EPYC Embedded 9845. Thread count is not the same on both, 48 threads on the EPYC 9254 versus 320 threads on the EPYC Embedded 9845. Base clock is not the same on both, 2.9 GHz on the EPYC 9254 versus 2.1 GHz on the EPYC Embedded 9845. They differ on multi-socket support too, 1P / 2P on the EPYC 9254 versus Dual Socket on the EPYC Embedded 9845. Max memory speed is closer, 4800 MT/s on the EPYC 9254 versus 6000 MT/s on the EPYC Embedded 9845.
Who each one is for
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. Buy the EPYC Embedded 9845 for 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.
Where the two are identical
The common ground is wider than the gap: memory channels, pcie lanes, socket and pcie generation are identical here.
Specs and benchmarks
Release Year
- AMD EPYC 9254
- 2022
- AMD EPYC Embedded 9845
- 2025
Core Count
- AMD EPYC 9254
- 24 cores
- AMD EPYC Embedded 9845
- 160 cores
Thread Count
- AMD EPYC 9254
- 48 threads
- AMD EPYC Embedded 9845
- 320 threads
Base Clock
- AMD EPYC 9254
- 2.9 GHz
- AMD EPYC Embedded 9845
- 2.1 GHz
Boost Clock
- AMD EPYC 9254
- Up to 4.15 GHz
- AMD EPYC Embedded 9845
- 3.7 GHz
L3 Cache
- AMD EPYC 9254
- 128 MB-60%
- AMD EPYC Embedded 9845
- 320 MBBest
Socket
- AMD EPYC 9254
- SP5
- AMD EPYC Embedded 9845
- SP5
Multi-Socket Support
- AMD EPYC 9254
- 1P / 2P
- AMD EPYC Embedded 9845
- Dual Socket
Memory Channels
- AMD EPYC 9254
- 12 channels
- AMD EPYC Embedded 9845
- 12 channels
Max Memory Speed
- AMD EPYC 9254
- 4800 MT/s
- AMD EPYC Embedded 9845
- 6000 MT/sBest
PCIe Lanes
- AMD EPYC 9254
- 128 lanes
- AMD EPYC Embedded 9845
- 128 lanes
PCIe Generation
- AMD EPYC 9254
- PCIe 5.0
- AMD EPYC Embedded 9845
- PCIe 5.0
TDP
- AMD EPYC 9254
- 200 W
- AMD EPYC Embedded 9845
- 390 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 9845 if you want the higher L3 cache (320 MB vs 128 MB).