Mac Studio M3 Ultra
Identifier: Apple M3 Ultra on Mac15,14 (Mac Studio) Form factor: desktop Status: active
Apple’s top-of-stack workstation chip — two M3 Max dies fused via UltraFusion. Up to 192 GB unified memory.
Build & Cost
| Component | Spec | Cost |
|---|---|---|
| System | Mac Studio (Mac15,14), M3 Ultra 28-core CPU / 60-core GPU | $5,399.00 (2025) |
| RAM | 256 GB unified (custom build-to-order) | included |
| $/ACI | ~$10.24 |
Geekbench AI Runs
| Backend | Component | Single | Half | Quant | Result |
|---|---|---|---|---|---|
| Core ML / GPU | M3 Ultra GPU | 20,984 | 23,288 | 21,488 | 247789 |
| Core ML / Neural Engine | M3 Ultra NE | 5,305 | 30,643 | 33,379 | 247791 |
| Core ML / CPU | M3 Ultra CPU | 5,260 | 8,203 | 6,419 | 247788 |
AI Capability
- Best Single / Half / Quant: 20,984 / 30,643 / 33,379
- ACI: 527.2 — Tier A
Highest quantized score of any rig in the collection — the Neural Engine pulls ahead of every NVIDIA card on INT8 workloads. With 96+ GB of unified memory this is one of the few rigs able to host the largest local LLMs without quantization compromises. See Gemma 4 VRAM Requirements for what fits.
See Also
- Benchmark Methodology
- MacBook Pro M3 Max — same M3 generation, half the cores
- Minisforum MS-S1 MAX — closest x86 unified-memory competitor