Question 1

Can RX 7900 XT 20GB run Qwen 2.5 Coder 14B?

Accepted Answer

Yes, RX 7900 XT 20GB can run Qwen 2.5 Coder 14B with a B grade (Runs well). Expected decode speed: 67.4 tok/s.

Question 2

How much VRAM does Qwen 2.5 Coder 14B need?

Accepted Answer

Qwen 2.5 Coder 14B (14B parameters) requires approximately 13.9 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Qwen 2.5 Coder 14B?

Accepted Answer

The recommended quantization for Qwen 2.5 Coder 14B is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	B	Runs well	67.4 tok/s	4175 ms	40K
Chat	C	Runs well	67.4 tok/s	1566 ms	12K
Coding	B	Runs well	67.4 tok/s	2870 ms	23K
RAG	B	Runs well	67.4 tok/s	5219 ms	40K
Reasoning	B	Runs well	67.4 tok/s	3392 ms	23K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	5.5 GB	Low	D35
Q3_K_S	3	6.9 GB	Low	D36
NVFP4	4

Can RX 7900 XT 20GB run Qwen 2.5 Coder 14B?

Memory breakdown