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CPU
AMD

AMD EPYC 9555

Processor

CPU cores
64
CPU threads
128
Maximum boost clock
4.4 GHz
Thermal design power
360 W

No matched benchmark results are available for this entry yet.

Processing & platform

CPU cores
64
CPU threads
128
Base clock
3.2 GHz
Maximum boost clock
4.4 GHz
L3 cache
256 MB
Socket / package
SP5

Cache hierarchy

  • L1 / per core
    Level
    L1
    Scope
    per core
    Size
    0.078125 MB
  • L2 / per core
    Level
    L2
    Scope
    per core
    Size
    1 MB
  • L3 / total
    Level
    L3
    Scope
    total
    Size
    256 MB

Compatible sockets

  • SP5

Memory & storage

Memory channels
12

Supported memory

  • DDR5-6400
    Technology
    DDR5
    Transfer rate
    6,400 MT/s

CPU memory support

  • DDR5
    Variant / details
    Up to 6400 MT/s
    Technology
    DDR5
    Transfer rate
    6,400 MT/s
  • Per-socket memory bandwidth
    Variant / details
    614 GB/s

Power specifications

Thermal design power
360 W

CPU power specifications

  • Configurable TDP 320–400 W
    Maximum rating
    400 W
    Minimum rating
    320 W
    Power specification
    Configurable TDP
    Variant / details
    320-400W

System configuration

Detailed specifications

Specifications · 11 fields
Maximum turbo frequency
4.4* GHz
Scope and conditions
native_context
Clock scope
Maximum turbo declaration; not measured or sustained all-core frequency*
Codename
Turin*
Processor model
EPYC 9555*
Full processor designation
AMD EPYC 9555 64-Core Processor*
Processor family
AMD EPYC*
Launch year
precision
year*
text
2024*
Declared memory capacity
6* TB
Scope and conditions
native_context
Capacity unit base
Not independently established*
CPU cores
64*
L3 cache
256* MB
Scope and conditions
native_context
Capacity unit base
Not independently established*
Thermal design power declaration
360* W
CPU threads
128*

* Provisional data