AMD EPYC 9456P

CPUs

Buying advice

Choose EPYC 9456P for single-socket 48-core business deployments. It retains 256 MB L3 at a 265 W default power reference. The single-socket restriction is the key purchase constraint; use 9456 for a two-socket system.

Specifications

LAUNCH

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Released-

CPU BENCHMARKS

Tests and capabilities for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Geekbench 6 Single-
Geekbench 6 Multi-
iGPU 3DMark TS-

ARCHITECTURE & CORES

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Architecture-
Process-
Show all 3 parameters in ARCHITECTURE & CORES
Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Cores / Threads
Meaning & limits

Physical cores and available threads are separate counts. Hybrid core types and unknown thread counts retain their stated limits.

48C/96T

CLOCK & CACHE

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Clock Speed3.2 / 3.7 GHz
Cache
Meaning & limits

Cache can be total, per core, private or shared. Read the stated topology; total cache is not automatically L3.

256 MB
Show all 4 parameters in CLOCK & CACHE
Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Total L3 Cache256 MBOne CPU package
Cache TopologyL3 · unspecified · 256 MB · package totalOne CPU package

POWER & BATTERY

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Power Profiles · 1Vendor power mode · 265 W · Compute plus I/O dies; processor specification, not wall powerProcessor power specification
Power Profiles · 2Vendor power mode · 155–300 W · CPU power configuration range; not relabeled cTDPProcessor power specification
Show all 3 parameters in POWER & BATTERY
Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Power rating / limit
Meaning & limits

Stored power rating or limit. Default TDP, processor base power and maximum turbo power describe different conditions; neither larger nor smaller is automatically better.

265 W

MEMORY & STORAGE

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Maximum Memory Bandwidth819.2 GB/sPer socket; theoretical maximum
Memory Profiles · 1DDR5 · up to 8000 MT/s · RDIMM maximum transfer rateOne CPU package
Show all 4 parameters in MEMORY & STORAGE
Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Memory Profiles · 2MRDIMM · up to 12800 MT/s · MRDIMM maximum transfer rate; population-dependentOne CPU package
Memory TypeDDR5 RDIMM | MRDIMMOne CPU package

PLATFORM & HARDWARE

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Platform-
SocketSP8
Show all 4 parameters in PLATFORM & HARDWARE
Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
iGPU-
iGPU FP32 TFLOPS
Meaning & limits

FP32 describes floating-point capability or a published reference, not a measured application result. Method and clock conditions affect interpretation.

-

BODY & DIMENSIONS

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
Package Size (L × W)-

OTHER SPECIFICATIONS

Parameters for AMD EPYC 9456P
ParameterAMD EPYC 9456P
ManufacturerAMD

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