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AMD EPYC 9356P vs AMD EPYC 9456P: Comparison
EPYC 9356P vs EPYC 9456P: the l3 cache difference
The gap that matters here is l3 cache: EPYC 9356P 192 MB against EPYC 9456P 256 MB, which puts EPYC 9456P 25% ahead. There is a split on boost clock as well, 4.5 GHz on the EPYC 9356P versus 3.7 GHz on the EPYC 9456P. Tdp is not the same on both, 250 W on the EPYC 9356P versus 265 W on the EPYC 9456P. They differ on core count too, 32 cores on the EPYC 9356P versus 48 cores on the EPYC 9456P. There is a split on thread count as well, 64 threads on the EPYC 9356P versus 96 threads on the EPYC 9456P. Base clock is not the same on both, 3.6 GHz on the EPYC 9356P versus 3.2 GHz on the EPYC 9456P.
Which should you buy, EPYC 9356P or EPYC 9456P?
Buy the EPYC 9356P 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 9456P is the one to take 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.
Where the two are identical
Everything else lines up. Configurable tdp max, memory channels, pcie lanes, cpu socket and product family read the same on both, so those are not worth weighing. They match on 11 further specifications as well.
Frequently asked questions
Is the Segment the same on the EPYC 9356P and EPYC 9456P?
It is. Both are listed at Data Center, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- AMD EPYC 9356P
- AMD
- AMD EPYC 9456P
- AMD
Model Number
- AMD EPYC 9356P
- 9356P
- AMD EPYC 9456P
- 9456P
CPU Socket
- AMD EPYC 9356P
- SP8
- AMD EPYC 9456P
- SP8
Product Family
- AMD EPYC 9356P
- EPYC 9006 Series
- AMD EPYC 9456P
- EPYC 9006 Series
Segment
- AMD EPYC 9356P
- Data Center
- AMD EPYC 9456P
- Data Center
Core Count
- AMD EPYC 9356P
- 32 cores
- AMD EPYC 9456P
- 48 cores
Thread Count
- AMD EPYC 9356P
- 64 threads
- AMD EPYC 9456P
- 96 threads
SMT Support
- AMD EPYC 9356P
- Yes
- AMD EPYC 9456P
- Yes
Base Clock
- AMD EPYC 9356P
- 3.6 GHz
- AMD EPYC 9456P
- 3.2 GHz
Boost Clock
- AMD EPYC 9356P
- 4.5 GHz
- AMD EPYC 9456P
- 3.7 GHz
L3 Cache
- AMD EPYC 9356P
- 192 MB-25%
- AMD EPYC 9456P
- 256 MBBest
Socket
- AMD EPYC 9356P
- SP8
- AMD EPYC 9456P
- SP8
Multi-Socket Support
- AMD EPYC 9356P
- Single Socket Only
- AMD EPYC 9456P
- Single Socket Only
Memory Channels
- AMD EPYC 9356P
- 8 channels
- AMD EPYC 9456P
- 8 channels
Memory Type
- AMD EPYC 9356P
- DDR5 RDIMM
- AMD EPYC 9456P
- DDR5 RDIMM
Max Memory Speed
- AMD EPYC 9356P
- 8000 MT/s
- AMD EPYC 9456P
- 8000 MT/s
Registered Memory Required
- AMD EPYC 9356P
- Yes
- AMD EPYC 9456P
- Yes
PCIe Lanes
- AMD EPYC 9356P
- 128 lanes
- AMD EPYC 9456P
- 128 lanes
PCIe Generation
- AMD EPYC 9356P
- PCIe 6.0
- AMD EPYC 9456P
- PCIe 6.0
TDP
- AMD EPYC 9356P
- 250 W
- AMD EPYC 9456P
- 265 W
Configurable TDP Max
- AMD EPYC 9356P
- 300 W
- AMD EPYC 9456P
- 300 W
Memory Bandwidth
- AMD EPYC 9356P
- 512 GB/s / 819.2 GB/s
- AMD EPYC 9456P
- 512 GB/s / 819.2 GB/s
PCIe
- AMD EPYC 9356P
- PCIe 6.0 x128
- AMD EPYC 9456P
- PCIe 6.0 x128
Memory Support
- AMD EPYC 9356P
- DDR5 RDIMM | MRDIMM, 8-Channel, Up to 8000 MT/s / Up to 12800 MT/s
- AMD EPYC 9456P
- DDR5 RDIMM | MRDIMM, 8-Channel, Up to 8000 MT/s / Up to 12800 MT/s
Which one should you pick?
Choose 9356P if you want the higher memory channels (8 channels vs 8 channels) and the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 9456P if you want the higher L3 cache (256 MB vs 192 MB).