Question 1

Can Mac Studio M3 Ultra 256GB run Qwen3-Coder 30B A3B Instruct?

Accepted Answer

Yes, Mac Studio M3 Ultra 256GB can run Qwen3-Coder 30B A3B Instruct with a C grade (Runs well). Expected decode speed: 74.0 tok/s.

Question 2

How much VRAM does Qwen3-Coder 30B A3B Instruct need?

Accepted Answer

Qwen3-Coder 30B A3B Instruct (30.5B parameters) requires approximately 48.3 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Qwen3-Coder 30B A3B Instruct?

Accepted Answer

The recommended quantization for Qwen3-Coder 30B A3B Instruct is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	74.0 tok/s	3804 ms	122K
Chat	C	Runs well	74.0 tok/s	1427 ms	31K
Coding	C	Runs well	74.0 tok/s	2615 ms	61K
RAG	C	Runs well	74.0 tok/s	4755 ms	122K
Reasoning	C	Runs well	74.0 tok/s	3091 ms	61K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	11.9 GB	Low	D31
Q3_K_S	3	14.9 GB	Low	D31
NVFP4	4

Can Mac Studio M3 Ultra 256GB run Qwen3-Coder 30B A3B Instruct?

Memory breakdown