AMD Ryzen Threadripper Pro 9965WX

Manufacturer: AMD

The AMD Ryzen Threadripper Pro 9965WX is a high-performance desktop CPU designed for demanding workloads. With a base clock speed of 4.2 GHz and a turbo boost up to 5.4GHz, this processor offers substantial computing power for professional applications. The CPU also boasts 48 threads, enabling it to handle heavy multitasking with ease.

Built on a 4 nm semiconductor size, the Threadripper Pro 9965WX supports DDR5 memory with a maximum speed of 6400 MHz and up to 2000GB of RAM. It features 128 MB of L3 cache and 24 MB of L2 cache, ensuring efficient data access and processing. With PCIe 5.0 support, it is designed to handle high-speed data transfers for advanced hardware setups.

Pros

Supports a large amount of memory, up to 2000GB, providing excellent scalability for memory-intensive tasks.
Equipped with 48 threads, enabling efficient multitasking and parallel processing for demanding workloads.
Has an unlocked multiplier, offering flexibility for overclocking and performance tuning.
Supports ECC memory, ensuring data integrity and reliability, particularly useful for critical and professional applications.
Features PCIe 5.0 support, ensuring high-speed data transfer for modern hardware setups.

Cons

Lacks integrated graphics, requiring a dedicated GPU for any visual output or graphical processing.
High thermal design power (TDP) of 350W, which could require substantial cooling solutions to maintain optimal performance.
Uses a relatively high CPU temperature of 95°C, potentially affecting longevity and stability without proper cooling.

Who is this for?

The AMD Ryzen Threadripper Pro 9965WX is ideal for users requiring robust multi-threaded performance and reliability in professional applications. With its support for up to 2000GB of memory and 48 threads, it is well-suited for data-intensive tasks such as scientific simulations, 3D rendering, and video production. Additionally, its support for ECC memory ensures high data integrity, making it a solid choice for workstations in industries where stability is critical.

Who is this NOT for?

This processor is not ideal for casual users or tasks that do not demand high computational power. Its lack of integrated graphics makes it unsuitable for environments where a dedicated GPU is not available. Additionally, its high TDP of 350W and operating temperature of 95°C mean it may require advanced cooling solutions, making it less suitable for smaller or less equipped setups. Users looking for a more energy-efficient or compact solution may find this product excessive for their needs.

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 9965WX is a desktop CPU with a thermal design power (TDP) of 350W, making it suitable for high-performance tasks. It features a 4 nm semiconductor size for improved efficiency and processing power. The processor does not have integrated graphics, and it supports PCIe 5.0 for faster data transfer. The CPU operates with a maximum temperature of 95°C and fully supports 64-bit computing.

Performance:

CPU speed	24 x 4.2 GHz
CPU threads	48 threads
turbo clock speed	5.4GHz
Has an unlocked multiplier	✓
L2 cache	24 MB
L3 cache	128 MB
L1 cache	1920 KB
L2 core	1 MB/core
L3 core	5.33 MB/core
Uses big.LITTLE technology	✕
clock multiplier	42

The AMD Ryzen Threadripper Pro 9965WX features a total clock speed of 24 x 4.2 GHz, providing strong multi-core performance. It is equipped with 48 threads for efficient multitasking, along with 24 MB of L2 cache and 128 MB of L3 cache to ensure fast data access. The processor also supports a turbo boost up to 5.4 GHz, enhancing its performance when needed, and features an unlocked multiplier for overclocking flexibility.

Benchmarks:

PassMark result	95346
PassMark result (single)	4555

The AMD Ryzen Threadripper Pro 9965WX has achieved a PassMark result of 95346, indicating strong overall performance. For single-threaded tasks, it scored 4555 in the PassMark single-thread benchmark, showcasing its efficiency in tasks that rely on single-core processing speed.

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 9965WX supports a maximum RAM speed of 6400 MHz and is compatible with DDR5 memory. It features 8 memory channels, allowing for efficient data handling and improved performance. Additionally, the processor supports up to 2000GB of memory and is capable of using ECC memory for error correction, ensuring data integrity in critical applications.

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 9965WX supports a variety of instruction sets, including MMX, FMA3, AES, AVX, AVX2, and SSE 4.1/4.2, enabling efficient processing for a wide range of tasks. The processor also utilizes multithreading for enhanced performance in parallel workloads and includes the NX bit for added security, helping protect against malicious code execution.

Final Verdict

The AMD Ryzen Threadripper Pro 9965WX is a powerhouse designed for demanding professional applications, offering exceptional multi-threaded performance with 48 threads and scalability up to 2000GB of RAM. Its support for ECC memory makes it a reliable choice for mission-critical tasks, while its unlocked multiplier provides overclocking potential. However, its lack of integrated graphics and high power requirements make it best suited for users with specialized needs, such as high-end workstations. Overall, this processor is an excellent choice for those who need raw computing power and stability in a demanding, professional environment.