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AMD EPYC 7643 vs AMD EPYC Embedded 7642: Comparison
What is the difference between EPYC 7643 and EPYC Embedded 7642?
The first real difference is boost clock: EPYC 7643 Up to 3.6 GHz against EPYC Embedded 7642 3.3 GHz.
Who each one is for
Buy the EPYC 7643 for 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 7642 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.
What EPYC 7643 and EPYC Embedded 7642 have in common
The common ground is wider than the gap: tdp, l3 cache, pcie lanes, core count and thread count are identical here. They match on 2 further specifications as well.
Frequently asked questions
Is the Base Clock the same on the EPYC 7643 and EPYC Embedded 7642?
It is. Both are listed at 2.3 GHz, so it is not a reason to pick one over the other.
Specs and benchmarks
Core Count
- AMD EPYC 7643
- 48 cores
- AMD EPYC Embedded 7642
- 48 cores
Thread Count
- AMD EPYC 7643
- 96 threads
- AMD EPYC Embedded 7642
- 96 threads
Base Clock
- AMD EPYC 7643
- 2.3 GHz
- AMD EPYC Embedded 7642
- 2.3 GHz
Boost Clock
- AMD EPYC 7643
- Up to 3.6 GHz
- AMD EPYC Embedded 7642
- 3.3 GHz
L3 Cache
- AMD EPYC 7643
- 256 MB
- AMD EPYC Embedded 7642
- 256 MB
Socket
- AMD EPYC 7643
- SP3
- AMD EPYC Embedded 7642
- SP3
PCIe Lanes
- AMD EPYC 7643
- 128 lanes
- AMD EPYC Embedded 7642
- 128 lanes
TDP
- AMD EPYC 7643
- 225 W
- AMD EPYC Embedded 7642
- 225 W
Which one should you pick?
Choose 7643 if you want the higher L3 cache (256 MB vs 256 MB) and the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 7642 if you already have it on hand or find it at a lower price.