Phi-4 Mini on Apple M4 Max (128GB Unified)

Yes — M4 Max (128GB Unified) runs Phi-4 Mini excellently at Q8_0 — 90 tok/s. 128 GB VRAM with plenty of headroom.

Model Size

3.82B

Device VRAM

128 GB

Bandwidth

546 GB/s

Quantization

Q8_0

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Phi-4 Mini on Apple M4 Max (128GB Unified) at Q8_0. This is the best supported pairing we can stand behind today.

Quantization	Speed	TTFT	Fits in VRAM	Rating	Confidence
Q8_0	90 tok/s	50ms	✓ Yes	Excellent	estimated

Notes

Q8_0

3.8B at full M4 Max speed. 123GB headroom.

About Phi-4 Mini

Phi-4 Mini (3.82B) is a chat, coding, ai coding, reasoning model. Microsoft's tiny powerhouse. Punches well above its weight at 3.8B parameters, competitive with many 7B models on reasoning and coding benchmarks. Extremely fast inference. Ideal as a draft model or for resource-constrained setups.

View all Phi-4 Mini hardware options →

About Apple M4 Max (128GB Unified)

Apple M4 Max (128GB Unified) has 128 GB at 546 GB/s. Available in MacBook Pro 16", Mac Studio.

See all models Apple M4 Max (128GB Unified) can run →

Estimate method: MLX performance estimates based on device bandwidth. Reference hardware source: github.com (2026-03-15)

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.