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AMD Ryzen 9 PRO 7945 vs Apple M5 Ultra: Comparison
What is the difference between AMD Ryzen 9 PRO 7945 and Apple M5 Ultra?
These two are close on paper, and total cores is the only measure that separates them at all: AMD Ryzen 9 PRO 7945 12 against Apple M5 Ultra 36. On total threads there is little in it, 24 on the AMD Ryzen 9 PRO 7945 versus 36 on the Apple M5 Ultra. There is a split on microarchitecture as well, Zen 4 on the AMD Ryzen 9 PRO 7945 versus Apple Silicon, Fifth Generation on the Apple M5 Ultra.
Which should you buy, AMD Ryzen 9 PRO 7945 or Apple M5 Ultra?
The AMD Ryzen 9 PRO 7945 suits mainstream desktops and everyday productivity, though it is not built for competitive gaming rigs and heavy content creation. it is not the pick for anyone needing a portable chip, this is desktop-only silicon. It is equally the pick 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. Avoid it for typical everyday or light creative use, where the cost premium is entirely unjustified. Our rating of the AMD Ryzen 9 PRO 7945 (7.9/10): the AMD Ryzen PRO 9 7945 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 7945
- Desktop
- Apple M5 Ultra
- Desktop
Microarchitecture
- AMD Ryzen 9 PRO 7945
- Zen 4 (7000 series)
- Apple M5 Ultra
- Apple Silicon, Fifth Generation
Total Cores
- AMD Ryzen 9 PRO 7945
- 12
- Apple M5 Ultra
- 36Best
Total Threads
- AMD Ryzen 9 PRO 7945
- 24
- Apple M5 Ultra
- 36Best
Which one should you pick?
Choose 7945 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 7945
7.9 / 10 Expert Rating
The AMD Ryzen PRO 9 7945 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.




