TurboVS
AMD Ryzen 9 Pro 9945
AMD Ryzen Threadripper Pro 9965WX

AMD Ryzen 9 Pro 9945 AMD Ryzen Threadripper Pro 9965WX

Common Features

  • ✓ Both CPUs are Desktop type.
  • ✓ Both CPUs use a 4 nm semiconductor size.
  • ✓ Both CPUs have a maximum CPU temperature of 95 °C.
  • ✓ Both CPUs support PCI Express version 5.
  • ✓ Both CPUs support 64-bit processing.
  • ✓ Both CPUs have a turbo clock speed of 5.4GHz.
  • ✓ Both CPUs have 1 MB of L2 cache per core.
  • ✓ Both CPUs have 5.33 MB of L3 cache per core.
  • ✓ Both CPUs do not use big.LITTLE technology.
  • ✓ Both CPUs support DDR5 memory.
  • ✓ Both CPUs support ECC memory.
  • ✓ Both CPUs use multithreading.
  • ✓ Both CPUs support instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2.
  • ✓ Both CPUs have NX bit support.

Main Differences

  • • Integrated graphics are present on AMD Ryzen 9 Pro 9945 but not available on AMD Ryzen Threadripper Pro 9965WX.
  • • Thermal Design Power (TDP) is 65W on AMD Ryzen 9 Pro 9945 and 350W on AMD Ryzen Threadripper Pro 9965WX.
  • • CPU speed is 12 x 3.4 GHz on AMD Ryzen 9 Pro 9945 and 24 x 4.2 GHz on AMD Ryzen Threadripper Pro 9965WX.
  • • CPU threads are 24 threads on AMD Ryzen 9 Pro 9945 and 48 threads on AMD Ryzen Threadripper Pro 9965WX.
  • • The multiplier is not unlocked on AMD Ryzen 9 Pro 9945 but is unlocked on AMD Ryzen Threadripper Pro 9965WX.
  • • L2 cache is 12 MB on AMD Ryzen 9 Pro 9945 and 24 MB on AMD Ryzen Threadripper Pro 9965WX.
  • • L3 cache is 64 MB on AMD Ryzen 9 Pro 9945 and 128 MB on AMD Ryzen Threadripper Pro 9965WX.
  • • L1 cache is 960 KB on AMD Ryzen 9 Pro 9945 and 1920 KB on AMD Ryzen Threadripper Pro 9965WX.
  • • Clock multiplier is 34 on AMD Ryzen 9 Pro 9945 and 42 on AMD Ryzen Threadripper Pro 9965WX.
  • • PassMark result is 50113 on AMD Ryzen 9 Pro 9945 and 95346 on AMD Ryzen Threadripper Pro 9965WX.
  • • PassMark result (single) is 4623 on AMD Ryzen 9 Pro 9945 and 4555 on AMD Ryzen Threadripper Pro 9965WX.
  • • Maximum RAM speed is 5600 MHz on AMD Ryzen 9 Pro 9945 and 6400 MHz on AMD Ryzen Threadripper Pro 9965WX.
  • • Memory channels are 2 on AMD Ryzen 9 Pro 9945 and 8 on AMD Ryzen Threadripper Pro 9965WX.
  • • Maximum memory amount is 192GB on AMD Ryzen 9 Pro 9945 and 2000GB on AMD Ryzen Threadripper Pro 9965WX.
Specs Comparison
AMD Ryzen 9 Pro 9945

AMD Ryzen 9 Pro 9945

AMD Ryzen Threadripper Pro 9965WX

AMD Ryzen Threadripper Pro 9965WX

General info:
Type Desktop Desktop
Has integrated graphics ✓ ✕
release date September 2025 May 2025
Thermal Design Power (TDP) 65W 350W
semiconductor size 4 nm 4 nm
CPU temperature 95 °C 95 °C
PCI Express (PCIe) version 5 5
Supports 64-bit ✓ ✓

Both the AMD Ryzen 9 Pro 9945 and AMD Ryzen Threadripper Pro 9965WX are desktop processors with similar base specifications. Both products are based on a 4 nm semiconductor size, and they support 64-bit architecture and PCIe version 5.0.

However, there are notable differences between the two. The Ryzen 9 Pro 9945 has integrated graphics, while the Threadripper Pro 9965WX does not. The thermal design power (TDP) also varies significantly: the Ryzen 9 Pro 9945 has a much lower TDP of 65W, compared to the Threadripper Pro 9965WX's much higher TDP of 350W. Both processors have the same CPU temperature of 95°C.

Overall, while the Ryzen 9 Pro 9945 is designed to be more power-efficient with integrated graphics, the Threadripper Pro 9965WX seems to be built for more demanding use cases, given its higher TDP and lack of integrated graphics.

Performance:
CPU speed 12 x 3.4 GHz 24 x 4.2 GHz
CPU threads 24 threads 48 threads
turbo clock speed 5.4GHz 5.4GHz
Has an unlocked multiplier ✕ ✓
L2 cache 12 MB 24 MB
L3 cache 64 MB 128 MB
L1 cache 960 KB 1920 KB
L2 core 1 MB/core 1 MB/core
L3 core 5.33 MB/core 5.33 MB/core
Uses big.LITTLE technology ✕ ✕
clock multiplier 34 42

The AMD Ryzen 9 Pro 9945 and the AMD Ryzen Threadripper Pro 9965WX differ significantly in terms of raw performance specifications. The Ryzen 9 Pro 9945 features 12 CPU cores, with a base speed of 3.4 GHz and a turbo clock speed of 5.4 GHz. In contrast, the Threadripper Pro 9965WX has a much larger configuration with 24 CPU cores, each running at a base speed of 4.2 GHz, also with a turbo clock speed of 5.4 GHz.

When it comes to cache, the Ryzen 9 Pro 9945 offers 12 MB of L2 cache and 64 MB of L3 cache. The Threadripper Pro 9965WX has a higher cache, with 24 MB of L2 cache and 128 MB of L3 cache. Both processors have the same L2 and L3 core size, with 1 MB per core for L2 and 5.33 MB per core for L3.

Other differences include the unlocked multiplier: the Ryzen 9 Pro 9945 has a fixed multiplier of 34, while the Threadripper Pro 9965WX has an unlocked multiplier of 42, allowing for more overclocking flexibility. Neither processor uses big.LITTLE technology, but the Threadripper Pro 9965WX offers double the number of threads, with 48 threads compared to the Ryzen 9 Pro 9945's 24 threads.

Benchmarks:
PassMark result 50113 95346
PassMark result (single) 4623 4555

The AMD Ryzen 9 Pro 9945 and the AMD Ryzen Threadripper Pro 9965WX show a notable difference in their benchmark results. The Ryzen 9 Pro 9945 achieves a PassMark result of 50,113, while the Threadripper Pro 9965WX outperforms it with a much higher result of 95,346.

In terms of single-thread performance, both processors show similar turbo capabilities, but the Ryzen 9 Pro 9945 scores 4,623 in the single-thread PassMark test, slightly higher than the Threadripper Pro 9965WX's score of 4,555.

Overall, the Threadripper Pro 9965WX significantly outperforms the Ryzen 9 Pro 9945 in the multi-thread PassMark benchmark, while the Ryzen 9 Pro 9945 holds a slight edge in single-thread performance.

Memory:
RAM speed (max) 5600 MHz 6400 MHz
DDR memory version 5 5
memory channels 2 8
maximum memory amount 192GB 2000GB
Supports ECC memory ✓ ✓

The AMD Ryzen 9 Pro 9945 and AMD Ryzen Threadripper Pro 9965WX have differences in their memory specifications. The Ryzen 9 Pro 9945 supports a maximum RAM speed of 5600 MHz, while the Threadripper Pro 9965WX can reach a higher maximum RAM speed of 6400 MHz.

Both processors use DDR5 memory, but the Ryzen 9 Pro 9945 supports 2 memory channels, while the Threadripper Pro 9965WX supports 8 memory channels, which can lead to more bandwidth and higher performance with multiple memory modules.

Regarding maximum memory capacity, the Ryzen 9 Pro 9945 supports up to 192 GB of RAM, whereas the Threadripper Pro 9965WX supports up to an impressive 2000 GB of RAM. Both processors also support ECC (Error Correcting Code) memory, ensuring greater reliability in memory operations.

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

The AMD Ryzen 9 Pro 9945 and the AMD Ryzen Threadripper Pro 9965WX are quite similar in terms of features. Both processors support the same set of instruction sets: MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. Additionally, both processors support multithreading and have the NX bit enabled, which enhances security by preventing the execution of certain types of malicious code.

Overall, in terms of features, there are no significant differences between the two processors. Both provide the same instruction set support, multithreading capability, and security features.

Comparison Summary

This is a specification comparison between AMD Ryzen 9 Pro 9945 and AMD Ryzen Threadripper Pro 9965WX. Both CPUs are Desktop type with a 4 nm semiconductor process, support DDR5 memory with ECC capabilities, and offer multithreading with a turbo clock speed of 5.4GHz. Integrated graphics are present on AMD Ryzen 9 Pro 9945 but not on AMD Ryzen Threadripper Pro 9965WX, and their TDP differs significantly at 65W versus 350W. CPU threads are 24 on AMD Ryzen 9 Pro 9945 and 48 on AMD Ryzen Threadripper Pro 9965WX, while L3 cache totals 64 MB versus 128 MB. Maximum RAM speed is 5600 MHz on AMD Ryzen 9 Pro 9945 and 6400 MHz on AMD Ryzen Threadripper Pro 9965WX, with memory channels of 2 versus 8. PassMark results show 50113 for AMD Ryzen 9 Pro 9945 and 95346 for AMD Ryzen Threadripper Pro 9965WX.