Question 1

Can RX 7800 XT 16GB run Qwen3-VL 30B A3B Instruct?

Accepted Answer

No, Qwen3-VL 30B A3B Instruct requires more memory than RX 7800 XT 16GB provides.

Question 2

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

Accepted Answer

Qwen3-VL 30B A3B Instruct (30B parameters) requires approximately 23.1 GB of memory with Q4_K_M quantization.

Question 3

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

Accepted Answer

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

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	F	Too heavy	55.6 tok/s	5062 ms	22K
Chat	F	Too heavy	55.6 tok/s	1898 ms	6K
Coding	F	Too heavy	64.6 tok/s	2997 ms	11K
RAG	F	Too heavy	55.6 tok/s	6327 ms	22K
Reasoning	F	Too heavy	55.6 tok/s	4113 ms	11K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	11.7 GB	Low	C45
Q3_K_S	3	14.7 GB	Low	C45
NVFP4	4

Can RX 7800 XT 16GB run Qwen3-VL 30B A3B Instruct?

Memory breakdown