apple
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192GB unified
enthusiast
Apple M3 Ultra
M3 Ultra — up to 512GB unified in Mac Studio top spec. 819 GB/s bandwidth.
Released 2025
Overview
M3 Ultra — up to 512GB unified in Mac Studio top spec. 819 GB/s bandwidth.
Specs
| VRAM | 0 GB |
| System RAM (typical) | 192 GB |
| Power draw | 180 W |
| Released | 2025 |
| Backends | Metal MLX |
Frequently asked
Does Apple M3 Ultra support CUDA?
No — Apple M3 Ultra uses Apple Metal and MLX, not CUDA. Most local-AI tools support Metal natively.
Reviewed by RunLocalAI Editorial. See our editorial policy for how we research and verify hardware specifications.