Name
AMD Ryzen™ Threadripper™ PRO 9955WX
Family
Ryzen Threadripper PRO
Series
Ryzen Threadripper PRO 9000 WX-Series
Form Factor
Desktops
AMD PRO Technologies
Yes
Regional Availability
Global
Former Codename
Shimada Peak
Processor Architecture
Zen 5
# of CPU Cores
16
Multithreading (SMT)
Yes
# of Threads
32
Max. Boost Clock
Up to 5.4 GHz
Base Clock
4.5 GHz
L1 Cache
1280 KB
L2 Cache
16 MB
L3 Cache
64 MB
Default TDP
350W
Processor Technology for CPU Cores
TSMC 4nm FinFET
Processor Technology for I/O Die
TSMC 6nm FinFET
Package Die Count
3
Unlocked for Overclocking
Yes
AMD EXPO™ Memory Overclocking Technology
Yes
Precision Boost Overdrive
Yes
Curve Optimizer Voltage Offsets
Yes
CPU Socket
sTR5
Supporting Chipsets
WRX90 , TRX50 , Pro 695
CPU Boost Technology
Precision Boost 2
Instruction Set
x86-64
Supported Extensions
AES , AMD-V , AVX , AVX2 , AVX512 , FMA3 , MMX-plus , SHA , SSE , SSE2 , SSE3 , SSE4.1 , SSE4.2 , SSE4A , SSSE3 , x86-64
Thermal Solution (PIB)
Not Included
Max. Operating Temperature (Tjmax)
95°C
*OS Support
Windows 11 - 64-Bit Edition , RHEL x86 64-Bit , Ubuntu x86 64-Bit , Windows 10 - 64-Bit Edition