AMD Ryzen Threadripper Pro 9945WX VS AMD Ryzen Threadripper Pro 9955WX

Both the AMD Ryzen Threadripper Pro 9945WX and AMD Ryzen Threadripper Pro 9955WX are desktop processors, and neither model includes integrated graphics. They also share identical specifications in terms of thermal design power (TDP), both having a TDP of 350W, and the semiconductor size, which is 4 nm for both products. CPU temperature is also the same for both models, rated at 95 °C.

In terms of PCIe support, both processors come with PCIe version 5.0, offering the same connectivity options. Additionally, both processors support 64-bit architecture, ensuring compatibility with modern software and applications.

Given these specifications, there are no differences between the AMD Ryzen Threadripper Pro 9945WX and the AMD Ryzen Threadripper Pro 9955WX in this group, with both products offering identical general features.

The AMD Ryzen Threadripper Pro 9945WX and AMD Ryzen Threadripper Pro 9955WX differ in several key performance specifications. The 9945WX features a CPU speed of 12 cores running at 4.7 GHz, while the 9955WX has 16 cores running at a slightly lower 4.5 GHz. This means that the 9945WX has a higher clock speed per core, but the 9955WX has more cores overall, with 32 threads compared to the 9945WX's 24 threads.

Both models share the same turbo clock speed of 5.4 GHz, ensuring similar peak performance under load. Additionally, both processors feature an unlocked multiplier for overclocking potential. In terms of cache, the 9945WX has 12 MB of L2 cache and 64 MB of L3 cache, while the 9955WX has slightly more L2 cache at 16 MB, but both models share the same L3 cache size.

For L1 cache, the 9945WX has 960 KB, while the 9955WX offers 1280 KB, meaning the latter provides a bit more L1 cache. Both processors have the same L2 cache size per core (1 MB/core), but the 9945WX has a slightly larger L3 cache per core at 5.33 MB/core compared to the 9955WX's 4 MB/core. Neither processor uses big.LITTLE technology, and both have a clock multiplier of 47 for the 9945WX and 45 for the 9955WX.

The AMD Ryzen Threadripper Pro 9945WX and AMD Ryzen Threadripper Pro 9955WX show differences in their overall PassMark benchmark results. The 9945WX scores 56,854 points, while the 9955WX achieves a higher score of 69,993 points. This indicates that the 9955WX performs better in multi-threaded tasks.

For single-thread performance, the scores are closer: the 9945WX scores 4,573 points, while the 9955WX scores slightly lower at 4,561 points. While both scores are similar, the 9945WX has a marginally better result in single-threaded tasks.

Overall, the 9955WX demonstrates a clear advantage in multi-threaded performance, while the 9945WX has a slight edge in single-thread performance.

The AMD Ryzen Threadripper Pro 9945WX and AMD Ryzen Threadripper Pro 9955WX have identical memory specifications. Both processors support a maximum RAM speed of 6400 MHz and use DDR5 memory. They also feature 8 memory channels, which is typical for high-end workstation CPUs, and have the same maximum memory amount of 2000 GB.

Additionally, both processors support ECC (Error-Correcting Code) memory, ensuring greater reliability in memory operations, especially for professional or mission-critical workloads.

Given that all key memory specs match between the two models, there is no difference in memory performance or capability between the 9945WX and the 9955WX in this group.

The AMD Ryzen Threadripper Pro 9945WX and AMD Ryzen Threadripper Pro 9955WX have identical feature sets in this group. Both processors support the same instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. These instruction sets enhance their capabilities for a variety of tasks, from multimedia processing to advanced computing operations.

Additionally, both models support multithreading, enabling them to handle multiple tasks simultaneously for improved performance in parallel workloads. Both processors also feature the NX bit, a security feature that helps protect against certain types of malicious attacks by preventing the execution of code in specific areas of memory.

With all key features matching between the 9945WX and the 9955WX, there is no difference in this specification group.