Question 1

Can MacBook Pro M3 Max 128GB run Llama 3.3 70B Instruct?

Accepted Answer

Yes, MacBook Pro M3 Max 128GB can run Llama 3.3 70B Instruct with a C grade (Runs well). Expected decode speed: 5.6 tok/s.

Question 2

How much VRAM does Llama 3.3 70B Instruct need?

Accepted Answer

Llama 3.3 70B Instruct (70B parameters) requires approximately 68.7 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Llama 3.3 70B Instruct?

Accepted Answer

The recommended quantization for Llama 3.3 70B Instruct is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Tight fit	6.1 tok/s	46247 ms	37K
Chat	C	Runs well	5.6 tok/s	18788 ms	12K
Coding	C	Runs well	5.6 tok/s	34445 ms	21K
RAG	C	Tight fit	5.6 tok/s	62627 ms	37K
Reasoning	C	Runs well	5.6 tok/s	40707 ms	21K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	27.3 GB	Low	D36
Q3_K_S	3	34.3 GB	Low	D37
NVFP4	4

Can MacBook Pro M3 Max 128GB run Llama 3.3 70B Instruct?

Memory breakdown