Phi-4 14B on Apple M4 Pro (48GB)

Yes — M4 Pro (48GB) handles Phi-4 14B well at Q5_K_M — 35 tok/s. Solid daily-driver performance on 48 GB VRAM.

Model Size

14.7B

Device VRAM

48 GB

Bandwidth

273 GB/s

Quantization

Q5_K_M

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Phi-4 14B on Apple M4 Pro (48GB) at Q5_K_M. This is the best supported pairing we can stand behind today.

Quantization	Speed	TTFT	Fits in VRAM	Rating	Confidence
Q5_K_M	35 tok/s	200ms	✓ Yes	Good	estimated

Notes

Q5_K_M

14B Q5 fits with massive headroom. Good reasoning on Mac.

About Phi-4 14B

Phi-4 14B (14.7B) is a reasoning, coding, chat model. Microsoft's efficient reasoning and coding model with high performance per parameter.

View all Phi-4 14B hardware options →

About Apple M4 Pro (48GB)

Apple M4 Pro (48GB) has 48 GB at 273 GB/s. Available in MacBook Pro 16-inch, Mac Mini.

See all models Apple M4 Pro (48GB) can run →

Estimate method: MLX performance estimates. Reference hardware source: github.com (2026-03-01)

Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.