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AMD Ryzen 9 PRO 7945 vs Apple M3 Ultra: Comparison
AMD Ryzen 9 PRO 7945 vs Apple M3 Ultra: the total cores difference
There is no decisive spec gap here. Total cores splits them by a margin most buyers will never feel, AMD Ryzen 9 PRO 7945 12 against Apple M3 Ultra 32. P-core base clock is not the same on both, 3.7 GHz on the AMD Ryzen 9 PRO 7945 versus 2.75 GHz on the Apple M3 Ultra. They differ on tdp too, 65 W on the AMD Ryzen 9 PRO 7945 versus 80 W on the Apple M3 Ultra. There is a split on socket as well, AM5 on the AMD Ryzen 9 PRO 7945 versus Soldered on the Apple M3 Ultra. There is a split on release year as well, 2023 on the AMD Ryzen 9 PRO 7945 versus 2025 on the Apple M3 Ultra.
Which should you buy, AMD Ryzen 9 PRO 7945 or Apple M3 Ultra?
The AMD Ryzen 9 PRO 7945 is the one to take for 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. The same goes for Mac Studio buyers running the most demanding local AI, video, or 3D workloads that can use 32 CPU cores. Avoid it for typical everyday or light creative use, where the cost premium isn't justified. 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.
Frequently asked questions
Do the AMD Ryzen 9 PRO 7945 and Apple M3 Ultra differ on performance cores?
Yes. Performance Cores reads 12 on the AMD Ryzen 9 PRO 7945 versus 24 on the Apple M3 Ultra.
Is the Integrated Graphics the same on the AMD Ryzen 9 PRO 7945 and Apple M3 Ultra?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 PRO 7945
- Desktop
- Apple M3 Ultra
- Desktop
Release Year
- AMD Ryzen 9 PRO 7945
- 2023
- Apple M3 Ultra
- 2025
TDP
- AMD Ryzen 9 PRO 7945
- 65 W
- Apple M3 Ultra
- 80 W
Market Segment
- AMD Ryzen 9 PRO 7945
- Desktop
- Apple M3 Ultra
- Desktop
Microarchitecture
- AMD Ryzen 9 PRO 7945
- Zen 4 (7000 series)
- Apple M3 Ultra
- Apple Silicon, Third Generation
Socket
- AMD Ryzen 9 PRO 7945
- AM5
- Apple M3 Ultra
- Soldered
Process Node
- AMD Ryzen 9 PRO 7945
- TSMC 5nm FinFET
- Apple M3 Ultra
- 3 nm
Total Cores
- AMD Ryzen 9 PRO 7945
- 12
- Apple M3 Ultra
- 32Best
Performance Cores
- AMD Ryzen 9 PRO 7945
- 12
- Apple M3 Ultra
- 24Best
Efficiency Cores
- AMD Ryzen 9 PRO 7945
- 0
- Apple M3 Ultra
- 8Best
Total Threads
- AMD Ryzen 9 PRO 7945
- 24
- Apple M3 Ultra
- 32Best
SMT Enabled
- AMD Ryzen 9 PRO 7945
- Yes
- Apple M3 Ultra
- No
P-Core Base Clock
- AMD Ryzen 9 PRO 7945
- 3.7 GHz
- Apple M3 Ultra
- 2.75 GHz
P-Core Boost Clock
- AMD Ryzen 9 PRO 7945
- 5.4 GHz
- Apple M3 Ultra
- 4.05 GHz
Base Power
- AMD Ryzen 9 PRO 7945
- 65 W
- Apple M3 Ultra
- 80 W
Memory Type
- AMD Ryzen 9 PRO 7945
- DDR5
- Apple M3 Ultra
- On-Package LPDDR5X
Integrated Graphics
- AMD Ryzen 9 PRO 7945
- Yes
- Apple M3 Ultra
- Yes
Which one should you pick?
Choose 7945 if you already have it on hand or find it at a lower price.
Choose M3 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.