Apple
Apple M3 Max 64GB
Practical deployment guidance for this machine, using conservative fit estimates instead of marketing-style claims.
- Memory
- 64 GB unified/RAM
- System RAM
- 64 GB
- Bandwidth
- 400 GB/s
- Preferred backend
- MLX
Hardware notes
- A serious local Apple setup with room for larger quantized models.
- Still not equivalent to a discrete 64 GB server GPU.
Comfortable fits
Llama 3.1 8B Instruct
comfortableQ4 at 8k context is estimated at 6.69 GB total and 24-41 tok/s.
Phi-4
comfortableQ4 at 8k context is estimated at 10.77 GB total and 13-24 tok/s.
Qwen2.5 Coder 14B Instruct
comfortableQ4 at 8k context is estimated at 11.12 GB total and 13-22 tok/s.
Gemma 3 27B IT
comfortableQ4 at 8k context is estimated at 19.96 GB total and 7-12 tok/s.
Borderline fits
Llama 3.1 70B Instruct
barelyThis is a tight fit. Expect CPU offload or memory pressure of roughly 1.98 GB, and consider a lighter quant or shorter context.
Backend support
These are the runtimes currently associated with this hardware profile.
Use the live calculator
The calculator lets you change context length, runtime, quantization, and concurrency instead of relying on a fixed profile.