Mixtral 8x7B Instruct on Apple M4 Max (64GB Unified)

Yes — M4 Max (64GB Unified) handles Mixtral 8x7B Instruct well at Q5_K_M — 18 tok/s. Solid daily-driver performance on 64 GB VRAM.

Model Size

46.7B

Device VRAM

64 GB

Bandwidth

546 GB/s

Quantization

Q5_K_M

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Mixtral 8x7B Instruct on Apple M4 Max (64GB Unified) 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	18 tok/s	550ms	✓ Yes	Good	estimated

Notes

Q5_K_M

Q5 at 31.4GB in 64GB. Higher quality than Q4 with room for other models.

About Mixtral 8x7B Instruct

Mixtral 8x7B Instruct (46.7B) is a chat, coding, reasoning, multi-purpose model. Mixture-of-Experts model: 46.7B total params but only ~12.9B active per token. Quality closer to a 13B dense model with inference speed to match. Needs more VRAM for the full weight set though.

View all Mixtral 8x7B Instruct hardware options →

About Apple M4 Max (64GB Unified)

Apple M4 Max (64GB Unified) has 64 GB at 546 GB/s. Available in MacBook Pro 16", Mac Studio.

See all models Apple M4 Max (64GB Unified) can run →

Estimate method: MLX MoE reports. Reference hardware source: github.com (2026-01-15)

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.