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Apple M1 Ultra vs Apple M3 Ultra: Comparison
Apple M1 Ultra and Apple M3 Ultra separate most on l2 cache: Apple M1 Ultra at 48 MB, Apple M3 Ultra at 72 MB, 33% in favour of Apple M3 Ultra. They match on 6 other specifications, including product line, form factor and market segment. In Blender Cycles (CPU) the Apple M3 Ultra scores 716 against 434 for the Apple M1 Ultra, a lead of 39%.
Specs
| Specification |  |  |
|---|---|---|
| Brand | Apple | Apple |
| Product Line | Other | Other |
| Form Factor | Desktop | Desktop |
| Model Number | M1 Ultra | M3 Ultra |
| Core/Thread Count | 20 Core / 20 Thread (16 Performance + 4 Efficiency) | 32 Core / 32 Thread (24 Performance + 8 Efficiency) |
| Release Year | 2022 | 2025 |
| TDP | 60 W | 80 W |
| Market Segment | Desktop | Desktop |
| Cache | 48MB L2 + 8MB L1 | 72MB L2 + 8MB L1 |
| Boost/Base Clock | 3.2 GHz / 2.064 GHz | 4.05 GHz / 2.75 GHz |
| Socket Status | End of Life | End of Life |
| Process Node | 5 nm | 3 nm |
| Performance Cores | 16 | 24 |
| Efficiency Cores | 4 | 8 |
| SMT Enabled | No | false |
| P-Core Boost Clock | 3.2 | 4.05 |
| L2 Cache | 48 MB-33% | 72 MB |
| Base Power | 60 W | 80 W |
| Max Memory Capacity | 128 | 512 |
| ECC Support | No | false |
| Integrated Graphics | Yes | Yes |
| Retail Availability | Soldered Only | Soldered Only |
| Series | Apple Silicon | Apple Silicon |
| CPU Process Node | 5 Nanometers | 3 Nanometers |
| Architecture | Apple Silicon, First Generation | Apple Silicon, Third Generation |
| Cores | 20 | 32 |
| Threads | 20 | 32 |
Benchmarks
Measured results, not specifications. Percentages are the gap to the leading product in each test.
Blender Cycles (CPU)
Blender 4.5, Blender Open Data (CC0). Median of monster + junkshop + classroom, combined samples/min.
Blender renders 3D scenes by tracing light through them, which loads every core at once. The score measures sustained multi-core throughput, so a chip that wins here can still lose at gaming, where one or two fast cores matter more. Figures come from Blender's Open Data project, which places no restriction on reuse, and we publish the median of every submission for that chip on the same Blender version.