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Apple M3 Ultra vs Apple M5 Ultra: Comparison
Apple M3 Ultra and Apple M5 Ultra differ on cache: Apple M3 Ultra at 72MB L2 + 8MB L1, Apple M5 Ultra at 80MB L2 + 8MB L1, which puts Apple M5 Ultra ahead on that measure. They match on form factor and core/thread count.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Apple | Apple |
| Form Factor | Desktop | Desktop |
| Model Number | M3 Ultra | M5 Ultra |
| Core/Thread Count | 32 Core / 32 Thread (24 Performance + 8 Efficiency) | 32 Core / 32 Thread (24 Performance + 8 Efficiency) |
| TDP | 80 W | 100 W |
| Cache | 72MB L2 + 8MB L1 | 80MB L2 + 8MB L1 |
| Boost/Base Clock | 4.05 GHz / 2.75 GHz | 4.6 GHz / 3.0 GHz |
| Series | Apple Silicon | Apple Silicon |
| CPU Process Node | 3 Nanometers | 3 Nanometers (Enhanced) |
| Architecture | Apple Silicon, Third Generation | Apple Silicon, Fifth Generation |




