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AMD EPYC 9456 vs AMD EPYC 9476F: Comparison
What is the difference between EPYC 9456 and EPYC 9476F?
Start with l3 cache, because it is the widest measured gap between them: EPYC 9456 256 MB against EPYC 9476F 192 MB, 25% in favour of EPYC 9456. There is a split on boost clock as well, 3.7 GHz on the EPYC 9456 versus 5 GHz on the EPYC 9476F. They differ on tdp too, 265 W on the EPYC 9456 versus 330 W on the EPYC 9476F. Configurable tdp max is not the same on both, 300 W on the EPYC 9456 versus 400 W on the EPYC 9476F. They differ on base clock too, 3.2 GHz on the EPYC 9456 versus 3.65 GHz on the EPYC 9476F.
EPYC 9456 vs EPYC 9476F: which one fits your build
The EPYC 9456 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. Buy the EPYC 9476F 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.
What EPYC 9456 and EPYC 9476F have in common
Everything else lines up. Memory channels, pcie lanes, cpu socket, product family and segment read the same on both, so those are not worth weighing. They match on 12 further specifications as well.
Frequently asked questions
Is the Core Count the same on the EPYC 9456 and EPYC 9476F?
It is. Both are listed at 48 cores, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- AMD EPYC 9456
- AMD
- AMD EPYC 9476F
- AMD
Model Number
- AMD EPYC 9456
- 9456
- AMD EPYC 9476F
- 9476F
CPU Socket
- AMD EPYC 9456
- SP8
- AMD EPYC 9476F
- SP8
Product Family
- AMD EPYC 9456
- EPYC 9006 Series
- AMD EPYC 9476F
- EPYC 9006 Series
Segment
- AMD EPYC 9456
- Data Center
- AMD EPYC 9476F
- Data Center
Core Count
- AMD EPYC 9456
- 48 cores
- AMD EPYC 9476F
- 48 cores
Thread Count
- AMD EPYC 9456
- 96 threads
- AMD EPYC 9476F
- 96 threads
SMT Support
- AMD EPYC 9456
- Yes
- AMD EPYC 9476F
- Yes
Base Clock
- AMD EPYC 9456
- 3.2 GHz
- AMD EPYC 9476F
- 3.65 GHz
Boost Clock
- AMD EPYC 9456
- 3.7 GHz
- AMD EPYC 9476F
- 5 GHz
L3 Cache
- AMD EPYC 9456
- 256 MBBest
- AMD EPYC 9476F
- 192 MB-25%
Socket
- AMD EPYC 9456
- SP8
- AMD EPYC 9476F
- SP8
Multi-Socket Support
- AMD EPYC 9456
- Dual Socket
- AMD EPYC 9476F
- Dual Socket
Memory Channels
- AMD EPYC 9456
- 8 channels
- AMD EPYC 9476F
- 8 channels
Memory Type
- AMD EPYC 9456
- DDR5 RDIMM
- AMD EPYC 9476F
- DDR5 RDIMM
Max Memory Speed
- AMD EPYC 9456
- 8000 MT/s
- AMD EPYC 9476F
- 8000 MT/s
Registered Memory Required
- AMD EPYC 9456
- Yes
- AMD EPYC 9476F
- Yes
PCIe Lanes
- AMD EPYC 9456
- 128 lanes
- AMD EPYC 9476F
- 128 lanes
PCIe Generation
- AMD EPYC 9456
- PCIe 6.0
- AMD EPYC 9476F
- PCIe 6.0
TDP
- AMD EPYC 9456
- 265 W
- AMD EPYC 9476F
- 330 W
Configurable TDP Max
- AMD EPYC 9456
- 300 W
- AMD EPYC 9476F
- 400 W
Memory Bandwidth
- AMD EPYC 9456
- 512 GB/s / 819.2 GB/s
- AMD EPYC 9476F
- 512 GB/s / 819.2 GB/s
PCIe
- AMD EPYC 9456
- PCIe 6.0 x128
- AMD EPYC 9476F
- PCIe 6.0 x128
Memory Support
- AMD EPYC 9456
- DDR5 RDIMM | MRDIMM, 8-Channel, Up to 8000 MT/s / Up to 12800 MT/s
- AMD EPYC 9476F
- DDR5 RDIMM | MRDIMM, 8-Channel, Up to 8000 MT/s / Up to 12800 MT/s
Which one should you pick?
Choose 9456 if you want the higher L3 cache (256 MB vs 192 MB), the higher memory channels (8 channels vs 8 channels) and the higher PCIe lanes (128 lanes vs 128 lanes).
Choose 9476F if you already have it on hand or find it at a lower price.