The biggest bottleneck in a workstation using the 3960X is likely to be the lack of cores, not the RAM or memory bandwidth. The 3960X is limited to just 256GB of RAM, four memory channels, and 64 PCIe lanes, which is significantly less than other Threadripper 5000 Pro CPUs, but for a value-oriented workstation with just 24 cores, this limitation won't likely be a problem. Still, that doesn't make the 3960X obsolete. Compared to the 5965WX which uses Zen 3, the 3960X is slower in both single- and multi-threaded workloads, usually by a 10-20% margin. The clock speed is on par with the current-gen Threadripper 5000 Pro, though the 3960X does have an architectural disadvantage as it uses the older Zen 2 design. In terms of specification, the AMD Threadripper 3960X comes with 24 cores and 48 threads with 4.5GHz boost clock. We would just continue recommending the 3990X instead of the 5975X, but these days it sells for almost double its launching price, making it more expensive than Threadripper 5000 Pro. This is a natural consequence of AMD not offering a non-Pro version of Threadripper with fewer PCIe lanes and memory channels, features that not all workstation users might need. The 32-core 5975X costs almost as much as the 64-core 3990X when it launched. Unfortunately, Threadripper 5000 Pro isn't the value monster Threadripper 3000 was.
However, the higher clock speed is generally going to be more useful in a workstation. They can support up to 4TB of RAM as opposed to Threadripper 5000 Pro's 2TB, and some EPYC motherboards can support two CPUs. The 7543 and other EPYC CPUs do have some advantages. For comparison, an EPYC 7543 server CPU has the same core count as the 5975WX, but a boost clock of only 3.7GHz. Although 32 is a somewhat midrange core count for a workstation CPU these days, this chip has strong points in its large 128MB 元 cache, its new Zen 3 architecture, and its support for 8 memory channels.Ĭompared to 32-core EPYC Milan server CPUs (which are almost identical from a hardware perspective), the 5975WX and Threadripper 5000 Pro CPUs in general have higher clock speeds. The 32-core Threadripper Pro 5975WX, having launched alongside the rest of the Threadripper 5000 Pro series in 2022, is the best overall workstation CPU right now.
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