Phi-4 14B on Apple M4 Max (36GB Unified)
Apple M4 Max (36GB Unified) handles Phi-4 14B well at 35 tok/s at Q5_K_M. A solid choice for this model.
Model Size
14.7B
Device VRAM
36 GB
Bandwidth
546 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Phi-4 14B performance at a different quality level on Apple M4 Max (36GB Unified).
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q5_K_M | 35 tok/s | 200ms | ✓ Yes | Good | estimated |
Notes
Q5_K_M
Good Mac performance for 14B reasoning. Headroom for concurrent models.
About Phi-4 14B
Phi-4 14B (14.7B) is a reasoning, coding, chat model. Microsoft's efficient reasoning and coding model with strong performance per parameter.
View all Phi-4 14B hardware options →About Apple M4 Max (36GB Unified)
Apple M4 Max (36GB Unified) has 36 GB at 546 GB/s. Available in MacBook Pro 16", Mac Studio.
See all models Apple M4 Max (36GB Unified) can run →Source: MLX performance estimates (2026-03-01)
Data last updated: 2026-03-15