AMD Ryzen Threadripper Pro 9945WX

Manufacturer: AMD

The AMD Ryzen Threadripper Pro 9945WX is a high-performance desktop CPU designed to handle demanding tasks. With a base clock speed of 4.7 GHz and the ability to turbo boost to 5.4 GHz, it delivers robust performance for professional users. With 24 threads, this processor is well-suited for multitasking and intensive workloads.

Key specifications include 64 MB of L3 cache, support for up to 2000GB of RAM, and PCIe 5.0 support. The processor operates at a thermal design power (TDP) of 350W and is built on a 4 nm semiconductor. It also supports ECC memory for enhanced reliability in data-intensive applications.

Pros

Supports up to 2000GB of RAM, making it ideal for memory-intensive applications.
Equipped with 8 memory channels for improved data throughput and multitasking.
Has an unlocked multiplier, allowing users to overclock for additional performance gains.
Supports ECC memory, enhancing data integrity and reliability in critical workloads.
Offers a substantial L3 cache of 64 MB, which improves data access speeds for demanding tasks.

Cons

Does not include integrated graphics, requiring a discrete GPU for graphical output.
Has a high thermal design power (TDP) of 350W, which may require robust cooling solutions.
Does not support big.LITTLE technology, limiting power efficiency optimization for varying workload demands.

Who is this for?

The AMD Ryzen Threadripper Pro 9945WX is ideal for professionals and power users who require robust computational capabilities, particularly in fields like data science, 3D rendering, and video editing. With 24 threads and a 64 MB L3 cache, it excels in multitasking and handling complex workflows. Its ability to support up to 2000GB of RAM and high memory speeds makes it perfect for memory-intensive tasks like scientific simulations and large-scale virtualization.

Who is this NOT for?

This processor may not be suitable for users who need a system with integrated graphics, as the AMD Ryzen Threadripper Pro 9945WX does not include that feature. Additionally, its 350W TDP and high performance may demand advanced cooling solutions, making it less ideal for compact or portable setups. It is also not optimized for users looking for power efficiency in mixed or lighter workloads, as it does not support big.LITTLE technology.

General info:

Type	Desktop
Has integrated graphics	✕
release date	May 2025
Thermal Design Power (TDP)	350W
semiconductor size	4 nm
CPU temperature	95 °C
PCI Express (PCIe) version	5
Supports 64-bit	✓

The AMD Ryzen Threadripper Pro 9945WX is a desktop CPU with a 350W thermal design power (TDP) and a 4 nm semiconductor size, which contributes to its efficient power consumption and processing capabilities. It does not include integrated graphics, focusing purely on high-performance tasks. Supporting PCIe 5.0, it provides excellent bandwidth for modern peripherals. Additionally, this CPU fully supports 64-bit computing for enhanced software compatibility and processing performance.

Performance:

CPU speed	12 x 4.7 GHz
CPU threads	24 threads
turbo clock speed	5.4GHz
Has an unlocked multiplier	✓
L2 cache	12 MB
L3 cache	64 MB
L1 cache	960 KB
L2 core	1 MB/core
L3 core	5.33 MB/core
Uses big.LITTLE technology	✕
clock multiplier	47

The AMD Ryzen Threadripper Pro 9945WX offers impressive performance with a total clock speed of 12 x 4.7 GHz, and the ability to turbo boost up to 5.4 GHz for demanding tasks. This 24-thread processor is equipped with a substantial 64 MB of L3 cache and 12 MB of L2 cache, ensuring fast data access and smooth multitasking. The unlocked multiplier allows for overclocking, providing additional flexibility for users seeking higher performance.

Benchmarks:

PassMark result	56854
PassMark result (single)	4573

The AMD Ryzen Threadripper Pro 9945WX delivers impressive benchmark results, achieving a PassMark score of 56854 overall, with a single-threaded PassMark score of 4573. These results highlight its strong multi-core performance and solid single-thread capabilities, making it suitable for a range of demanding applications.

Integrated graphics:

Memory:

RAM speed (max)	6400 MHz
DDR memory version	5
memory channels	8
maximum memory amount	2000GB
Supports ECC memory	✓

The AMD Ryzen Threadripper Pro 9945WX supports advanced memory configurations with a maximum RAM speed of 6400 MHz and 8 memory channels, allowing for efficient data processing. It is compatible with DDR5 memory and can handle up to a massive 2000GB of RAM, making it ideal for memory-intensive tasks. Additionally, it supports ECC memory, ensuring greater data integrity and reliability in critical workloads.

Features:

instruction sets	MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
uses multithreading	✓
Has NX bit	✓

The AMD Ryzen Threadripper Pro 9945WX is equipped with a wide range of instruction sets including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, enhancing its performance across various tasks. It supports multithreading for improved parallel processing and is also equipped with the NX bit for enhanced security, preventing certain types of malicious attacks.

Final Verdict

The AMD Ryzen Threadripper Pro 9945WX is a high-performance desktop CPU tailored for professional workloads, offering impressive specifications such as 24 threads and the ability to support up to 2000GB of RAM. Its powerful processing capabilities, large cache sizes, and memory support make it a solid choice for memory-intensive tasks like 3D rendering and scientific computing. While it lacks integrated graphics and may require advanced cooling solutions due to its high TDP, it excels in scenarios where raw computational power is paramount. Overall, it is an excellent choice for users with demanding professional needs.