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AMD EPYC 7642 vs AMD EPYC Embedded 7401: Comparison
What is the difference between EPYC 7642 and EPYC Embedded 7401?
L3 cache is where these two genuinely part company, EPYC 7642 256 MB against EPYC Embedded 7401 64 MB, a 75% lead for EPYC 7642. They differ on boost clock too, Up to 3.3 GHz on the EPYC 7642 versus 3 GHz on the EPYC Embedded 7401. They differ on tdp too, 225 W on the EPYC 7642 versus 155 W on the EPYC Embedded 7401. Core count is not the same on both, 48 cores on the EPYC 7642 versus 24 cores on the EPYC Embedded 7401. They differ on thread count too, 96 threads on the EPYC 7642 versus 48 threads on the EPYC Embedded 7401. Base clock is not the same on both, 2.3 GHz on the EPYC 7642 versus 2 GHz on the EPYC Embedded 7401.
EPYC 7642 vs EPYC Embedded 7401: which one fits your build
Buy the EPYC 7642 for datacenter and cloud compute and virtualization-dense server workloads, though it is not the pick for consumer desktop builds and single-threaded latency-sensitive workloads on lower core-count SKUs. The EPYC Embedded 7401 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.
What EPYC 7642 and EPYC Embedded 7401 have in common
Where they agree, they agree completely, pcie lanes and socket included, so the decision does not turn on any of those.
Specs and benchmarks
Core Count
- AMD EPYC 7642
- 48 cores
- AMD EPYC Embedded 7401
- 24 cores
Thread Count
- AMD EPYC 7642
- 96 threads
- AMD EPYC Embedded 7401
- 48 threads
Base Clock
- AMD EPYC 7642
- 2.3 GHz
- AMD EPYC Embedded 7401
- 2 GHz
Boost Clock
- AMD EPYC 7642
- Up to 3.3 GHz
- AMD EPYC Embedded 7401
- 3 GHz
L3 Cache
- AMD EPYC 7642
- 256 MBBest
- AMD EPYC Embedded 7401
- 64 MB-75%
Socket
- AMD EPYC 7642
- SP3
- AMD EPYC Embedded 7401
- SP3
PCIe Lanes
- AMD EPYC 7642
- 128 lanes
- AMD EPYC Embedded 7401
- 128 lanes
TDP
- AMD EPYC 7642
- 225 W
- AMD EPYC Embedded 7401
- 155 W
Which one should you pick?
Choose 7642 if you want the higher L3 cache (256 MB vs 64 MB) and the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 7401 if you already have it on hand or find it at a lower price.