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AMD Ryzen 9 PRO 9945 vs Apple M5 Ultra: Comparison
AMD Ryzen 9 PRO 9945 vs Apple M5 Ultra total cores compared
There is no decisive spec gap here. Total cores splits them by a margin most buyers will never feel, AMD Ryzen 9 PRO 9945 12 against Apple M5 Ultra 36. The total threads figures are near enough to ignore, 24 on the AMD Ryzen 9 PRO 9945 versus 36 on the Apple M5 Ultra. There is a split on microarchitecture as well, Zen 5 on the AMD Ryzen 9 PRO 9945 versus Apple Silicon, Fifth Generation on the Apple M5 Ultra.
Which should you buy, AMD Ryzen 9 PRO 9945 or Apple M5 Ultra?
The AMD Ryzen 9 PRO 9945 is the one to take for mainstream desktops and everyday productivity, though it is not the pick for competitive gaming rigs and heavy content creation. it is the wrong buy for anyone needing a portable chip, this is desktop-only silicon. The same goes for Mac Studio buyers running the most demanding local AI, video, or 3D professional workloads that can use 32 CPU cores and up to 512GB of unified memory. It is not the one for typical everyday or light creative use, where the cost premium is entirely unjustified. Our rating of the AMD Ryzen 9 PRO 9945 (7.9/10): the AMD Ryzen PRO 9 9945 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.
Where the two are identical
The common ground is wider than the gap: form factor are identical here.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 PRO 9945
- Desktop
- Apple M5 Ultra
- Desktop
Microarchitecture
- AMD Ryzen 9 PRO 9945
- Zen 5 (9000 series)
- Apple M5 Ultra
- Apple Silicon, Fifth Generation
Total Cores
- AMD Ryzen 9 PRO 9945
- 12
- Apple M5 Ultra
- 36Best
Total Threads
- AMD Ryzen 9 PRO 9945
- 24
- Apple M5 Ultra
- 36Best
Which one should you pick?
Choose 9945 if you already have it on hand or find it at a lower price.
Choose M5 Ultra if you already have it on hand or find it at a lower price.
Verdict
AMD Ryzen 9 PRO 9945
7.9 / 10 Expert Rating
The AMD Ryzen PRO 9 9945 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.