AMD Ryzen Threadripper PRO 9955WX
WORKSTATIONCPU
Page Contents
CPU at a Glance Key Specs
Cores / Threads
16 / 32
Clock Speeds
4.5GHz
to5.4GHz
Socket
sTR5
TDP
350W
DDR5
PCIe 5.0, PCIe 4.0, PCIe 3.0
No iGPU
Specifications
Product Information
Model NameAMD Ryzen Threadripper PRO 9955WX
ManufacturerAMD
SeriesRyzen Threadripper PRO
CodenameShimada Peak
SocketsTR5
Socket TypeLGA
Market SegmentWorkstation
Launch Date7/23/2025
Core Architecture
Total Cores16
Total Threads32
SMTYes
Instruction Setx86-64
MicroarchitectureZen 5
Compute Die4 nm (TSMC foundry)
I/O Die6 nm (TSMC foundry)
PCIe VersionPCIe 5.0, PCIe 4.0, PCIe 3.0
Clock Speeds
Base Clock4.5 GHz
Max Boost Clock5.4 GHz
Unlocked for OverclockingYes
Cache Memory
L1D Cache768 KB (16 x 48 KB)
L1I Cache512 KB (16 x 32 KB)
L2 Cache16 MB (16 x 1 MB)
L3 Cache64 MB (2 x 32 MB)
Memory Support
Memory TypeDDR5
Max Memory Speed6400 MT/s
Memory Channels8
Max Capacity2048 GB
ECC Memory SupportYes
Power & Thermal
Default TDP350 W
Max Operating Temperature95 °C
Integrated Graphics
GPU ModelNone
NPU
Has NPUNo
Overall TOPSUnknown