Apple MacBook Pro 16" M4 Max

The MacBook Pro 16 with M4 Max is Apple's most powerful mobile AI workstation. With up to 48 GB unified memory at 546 GB/s bandwidth, it can run Llama 3.3 70B at Q3_K_M entirely in unified memory - entirely on battery power. It's the ultimate portable local AI machine for professionals.

Quick verdict

The M4 Max MacBook Pro is the most capable portable AI machine you can buy. 48 GB unified memory runs 70B models on battery. 546 GB/s bandwidth provides fast token generation. The $3,000+ price is steep, but for AI professionals who need to work anywhere, it's unmatched.

Spec breakdown

• Memory: Up to 48 GB unified (configurable to 128 GB on M4 Ultra)
• Memory bandwidth: 546 GB/s (M4 Max)
• CPU: 16-core (12P+4E)
• GPU: 40-core
• Neural Engine: 16-core
• Display: 16.2" Liquid Retina XDR

Real-world AI inference (MLX)

Model	Tokens/sec	Source
Llama 3.3 70B Q3_K_M	~12 tok/s	MLX community
Qwen3-30B Q8_0	~20 tok/s	MLX
Mistral Small 3 Q8_0	~45 tok/s	Community
ComfyUI SDXL (1024×1024)	~8 s/image	MLX

Best models that fit

• Q3_K_M: Llama 3.3 70B - fits entirely
• Q8_0: Qwen3-30B - excellent quality
• Q8_0: Mistral Small 3 - comfortable

Honest alternatives

• Mac Studio M4 Ultra 192GB (~$5,300): 192 GB, runs anything
• MacBook Pro M4 Pro (~$1,599): Lower spec, lower price
• RTX 4090 laptop (~$2,500): Traditional GPU laptop

What the community says

"My M4 Max MacBook Pro runs 70B models at 12 tok/s on battery. I do all my local AI development on the go. It's not cheap but there's nothing else like it."

• u/mobile-ai-dev on r/LocalLLaMA, 167 upvotes