Can I Run Mistral Small 4 on Apple M5 Pro?
Written by Jakub Rusinowski · Last updated July 12, 2026
No — Mistral Small 4 119B-A6.5B at Q4_K_M needs 75.5 GB at 8K context (71.8 GB weights + 3.7 GB KV cache/overhead), and the Apple M5 Pro's 48 GB usable memory leaves it ~27.5 GB short. The cheapest card that runs it is the NVIDIA A100 80GB (PCIe) (80 GB).
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Apple M5 Pro Specs
| VRAM | 64 GB unified memory |
| Memory Bandwidth | 307 GB/s |
Mistral Small 4 119B-A6.5B on the Apple M5 Pro: VRAM by quantization
| Quant | VRAM needed | Fits 64 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 241.7 GB | ✗ No | — | — |
| Q8_0 | 130.1 GB | ✗ No | — | — |
| Q6_K | 101.2 GB | ✗ No | — | — |
| Q5_K_M | 88 GB | ✗ No | — | — |
| Q4_K_M | 75.5 GB | ✗ No | — | — |
| Q3_K_M | 54.4 GB | ✗ No | — | — |
| Q2_K | 42.8 GB | ✓ Yes | 16K | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 64 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the Apple M5 Pro: 8K 75.5 GB ✗ · 32K 84.1 GB ✗ · 128K 118.3 GB ✗. Past 8K it no longer fits 64 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Mistral Small 4 119B-A6.5B on 64 GB of system RAM, CPU only: runs.
Why It Does Not Fit
Every Mistral Small 4 variant requires more VRAM than the Apple M5 Pro provides (64 GB).
Nearest GPU That Fits
NVIDIA A100 80GB (PCIe) (80 GB VRAM).
Mistral Small 4 needs ~76 GB but this GPU has 64 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:
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FAQ
Will Mistral Small 4 run on the Apple M5 Pro?
No — Mistral Small 4 119B-A6.5B at Q4_K_M needs 75.5 GB at 8K context (71.8 GB weights + 3.7 GB KV cache/overhead), and the Apple M5 Pro's 48 GB usable memory leaves it ~27.5 GB short. The cheapest card that runs it is the NVIDIA A100 80GB (PCIe) (80 GB).
What GPU should I get instead to run Mistral Small 4?
The NVIDIA A100 80GB (PCIe) (80 GB VRAM) is the cheapest upgrade that fits it.
Mistral Small 4 on Other GPUs
- Mistral Small 4 on Apple M1 Max
- Mistral Small 4 on NVIDIA RTX 6000 Ada Generation
- Mistral Small 4 on NVIDIA L40S
- Mistral Small 4 on NVIDIA A100 80GB (PCIe)
- Mistral Small 4 on NVIDIA H100 80GB (PCIe)
Popular Models on the Apple M5 Pro
VRAM Tier
Troubleshooting
- Ollama: "model requires more system memory than is available"
- Which GGUF quant should I download? (Q4 vs Q5 vs Q8)
Buying Guide
← Can I Run It? | Mistral Small 4 Model Page | Apple M5 Pro GPU Page | VRAM calculator | Check Your Hardware