AMD Ryzen Threadripper PRO 9945WX: specs and benchmarks

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Aggregate performance score

Ryzen Threadripper PRO 9945WX
2025
12 cores / 24 threads, 350 Watt
32.44

Ryzen Threadripper PRO 9945WX provides good benchmark performance at 32.44% of a leader's which is a 96-core Ryzen Threadripper PRO 9995WX.

Summary

AMD started Ryzen Threadripper PRO 9945WX sales on July 2025. This is a Shimada Peak architecture desktop processor primarily aimed at professional systems. It has 12 cores and 24 threads, and is based on 4 nm manufacturing technology, with a max turbo frequency of 5400 MHz and an unlocked multiplier.

Compatibility-wise, this is AMD Socket sTR5 processor with a TDP of 350 Watt. It supports DDR5 memory.

Primary details

Ryzen Threadripper PRO 9945WX processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking140
Place by popularitynot in top-100
Market segmentServer
Power efficiency3.90of 100.00 (Apple M4 (8 cores))
DesignerAMD
ManufacturerTSMC
Architecture codenameShimada Peak (2025)
Release dateJuly 2025 (recently)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores12 (Dodeca-Core)
Threads24
Base clock speed4.7 GHz
Boost clock speed5.4 GHzof 6.2 GHz (Core i9-14900KS)
L1 cache64 KB (per core)of 80 KB (EPYC 9965)
L2 cache1 MB (per core)of 2 MB (Xeon 6980P)
L3 cache64 MB (shared)of 1152 MB (EPYC 9684X)
Chip lithography4 nmof 3 nm (EPYC 9965)
Die size2x 70.6 mm2
Number of transistors16,630 millionof 135,240 million (EPYC 9684X)
64 bit support+
Unlocked multiplier+

Compatibility

Information on Ryzen Threadripper PRO 9945WX compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1of 8 (Xeon Platinum 8454H)
SocketsTR5
Power consumption (TDP)350 Wattof 500 Watt (EPYC 9755)

Technologies and extensions

Technological capabilities and additional instructions supported by Ryzen Threadripper PRO 9945WX. You'll probably need this information if you require some particular technology.

AES-NI+
AVX+
Precision Boost 2+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

AMD-V+

Memory specs

Types, maximum amount and channel number of RAM supported by Ryzen Threadripper PRO 9945WX's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR5

Graphics specifications

General parameters of a GPU integrated into Ryzen Threadripper PRO 9945WX.

Integrated graphics cardN/A

Peripherals

Specifications and connection types of supported peripherals.

PCIe version5.0
PCI Express lanes136of 144 (Threadripper PRO 7955WX)

Benchmark performance

Single-core and multi-core benchmark results of Ryzen Threadripper PRO 9945WX. Overall benchmark performance is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating.

Ryzen Threadripper PRO 9945WX 32.44

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.

Ryzen Threadripper PRO 9945WX 56854

Gaming performance

Closest competitors

Ryzen Threadripper PRO 9945WX's performance relative to its closest rivals among server CPUs.


Ryzen Threadripper PRO 9945WX 100
Xeon w7-3455 96.15

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

All comparisons with Ryzen Threadripper PRO 9945WX

Community ratings

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