M1 Max 64GB
Apple Silicon
64GB VRAM · 400 GB/s bandwidth · 21.2 FP16 TFLOPS · 60W TDP · $1,699 street price
The M1 Max 64GB has 64GB of VRAM with 400 GB/s memory bandwidth and 21.2 TFLOPS FP16 compute. At Q4 quantization, it can comfortably run Gemma 3 4B (80 tok/s), Qwen 2.5 7B (42 tok/s), Llama 3.1 8B (39 tok/s). Models larger than ~109B parameters won't fit even at Q4. Electricity cost is approximately $6/month at 60W TDP.
What LLMs can you run?
| Model | Params | Q4 Weight | Fit | Decode |
|---|---|---|---|---|
| Gemma 3 4B | 4.0B | 2 GB | comfortable | 80 tok/s |
| Qwen 2.5 7B | 7.6B | 4 GB | comfortable | 42 tok/s |
| Llama 3.1 8B | 8.0B | 4 GB | comfortable | 39 tok/s |
| Mistral Small 24B | 24.0B | 12 GB | tight | 13 tok/s |
| Gemma 3 27B | 27.4B | 14 GB | tight | 11 tok/s |
| Qwen 2.5 Coder 32B | 32.5B | 16 GB | tight | 9 tok/s |
| Llama 3.3 70B | 70.6B | 35 GB | tight | 4 tok/s |
| Qwen 2.5 72B | 72.7B | 36 GB | tight | 4 tok/s |
| Llama 3.1 405B | 405B | 202 GB | won't fit | |
| DeepSeek R1 671B | 671B | 336 GB | won't fit |
Similar GPUs
| GPU | VRAM | BW | TFLOPS | TDP |
|---|---|---|---|---|
| M2 Max 64GB | 64GB | 400 GB/s | 27.2 | 60W |
| M3 Max 64GB | 64GB | 400 GB/s | 32.8 | 75W |
| Jetson T4000 | 64GB | 273 GB/s | 31.0 | 40W |
| M4 Max 64GB | 64GB | 546 GB/s | 36.9 | 75W |
| M1 Ultra 64GB | 64GB | 800 GB/s | 42.5 | 120W |
Compare with another GPU
Select another GPU to compare specs and model performance side by side.