Home / AMD Ryzen Threadripper PRO 9955WX: Performance and Specs

AMD Ryzen Threadripper PRO 9955WX

AMD Ryzen Threadripper PRO 9955WX is a Server processor from AMD. It began to be released in July 2025. The CPU belongs to the Shimada Peak family. It has a frequency of 4.5 GHz. The processor has 16 cores and 32 threads. And the processor is also made using 4 nm technology. Its characteristics, as well as benchmark results, are presented in more detail below.

New this year

Likes

Basic

Label Name

AMD

Platform

Server

Launch Date

July 2025

Model Name

The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.

Ryzen Threadripper PRO 9955WX

Code Name

Shimada Peak

Foundry

TSMC

Generation

Ryzen Threadripper (Zen 4 (Storm Peak))

CPU Specifications

Total Cores

Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).

Total Threads

Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.

Performance-core Base Frequency

4.5 GHz

Performance-core Max Turbo Frequency

Maximum P-core turbo frequency derived from Intel® Turbo Boost Technology.

5.4 GHz

L1 Cache

64 KB per core

L2 Cache

1 MB per core

L3 Cache

64 MB shared

Bus Frequency

100 MHz

Multiplier

45.0

Unlocked Multiplier

Yes

CPU Socket

The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.

AMD Socket sTR5

Technology

Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.

4 nm

TDP

350 W

Max. Operating Temperature

Junction Temperature is the maximum temperature allowed at the processor die.

95°C

PCIe Version

PCI Express is a high-speed serial computer expansion bus standard used for connecting high-speed components, replacing older standards such as AGP, PCI, and PCI-X. It has gone through multiple revisions and improvements since its initial release. PCIe 1.0 was first introduced in 2002, and in order to meet the growing demand for higher bandwidth, subsequent versions have been released over time.

Transistor Count

16.63 billions

Memory Specifications

Memory Type

Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.

DDR5-6400

Max Memory Size

Max memory size refers to the maximum memory capacity supported by the processor.

2 TB

Memory Channels

The number of memory channels refers to the bandwidth operation for real world application.

ECC Memory Support

Yes

GPU Specifications

Integrated Graphics Model

An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.

N/A