Can Llama 3.3 70B run on Mac Studio M5 Max 36GB?
NO — Won’t fit
Q4_K_M · 4K context · formula estimate
What this means
The checked Q4_K_M build needs about 50.3GB, above this Mac's conservative 32.4GB working budget.
−17.9GB short
above the working budget
50.3GB
needed at Q4_K_M
Q4_K_M
quant selected
0GB
working headroom
needs 50.3 GBworking budget 32.4 GB · short 17.9 GB
Where the memory goes
| Component | Detail | GB |
|---|---|---|
| Model weights | Q4_K_M GGUF (42.5 GB) + mmap overhead | 44.6 |
| KV cache | 4K context window | 4.9 |
| Runtime | macOS inference app + compute buffers | 0.8 |
| Total needed | at Q4_K_M, 4K context | 50.3 |
| Working budget | 36 GB unified memory − conservative macOS reserve | 32.4 |
| Headroom | memory shortfall | −17.9 |
Pick your quant
| Quant | Download | Memory | Estimated speed | Verdict |
|---|---|---|---|---|
| Q2_K | 26.4 GB | 33.4 GB | — | ✕ Won't fit |
| Q3_K_M | 34.3 GB | 41.7 GB | — | ✕ Won't fit |
| IQ4_XS | 37.9 GB | 45.5 GB | — | ✕ Won't fit |
| Q4_0 | 40.1 GB | 47.8 GB | — | ✕ Won't fit |
| Q4_K_S | 40.3 GB | 48 GB | — | ✕ Won't fit |
| Q4_K_M ★ | 42.5 GB | 50.3 GB | — | ✕ Won't fit |
| Q5_K_M | 49.9 GB | 58.1 GB | — | ✕ Won't fit |
| Q6_K | 57.9 GB | 66.5 GB | — | ✕ Won't fit |
| Q8_0 | 75 GB | 84.5 GB | — | ✕ Won't fit |
Other models on this Mac
Llama 3.3 70B on other Mac Studio M5 Max configurations
FAQ
Can the Mac Studio M5 Max · 36GB run Llama 3.3 70B?
Not with the quants currently tracked. The selected Q4_K_M build needs about 50.3GB, above the 32.4GB working budget.
Which Llama 3.3 70B quant should I use on this Mac?
None of the tracked quants fit this configuration safely. Choose a smaller model or a Mac with more unified memory.
Which app should I use for Llama 3.3 70B on this Mac?
Start with LM Studio. This page gives the complete point-and-click walkthrough.
Are these speeds measured on a Mac Studio M5 Max?
No. The range is a formula estimate based on memory bandwidth, model size, active parameters, cooling, and a 4K context. The app, backend, thermals, and prompt can change real performance.