Question 1

Can RX 6900 XT 16GB run Llama 3.2 3B Instruct?

Accepted Answer

Yes, RX 6900 XT 16GB can run Llama 3.2 3B Instruct with a C grade (Runs well). Expected decode speed: 137.8 tok/s.

Question 2

How much VRAM does Llama 3.2 3B Instruct need?

Accepted Answer

Llama 3.2 3B Instruct (3B parameters) requires approximately 5.8 GB of memory with Q5_K_M quantization.

Question 3

What is the best quantization for Llama 3.2 3B Instruct?

Accepted Answer

The recommended quantization for Llama 3.2 3B Instruct is Q5_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	137.8 tok/s	2043 ms	87K
Chat	C	Runs well	137.8 tok/s	766 ms	22K
Coding	C	Runs well	137.8 tok/s	1405 ms	44K
RAG	C	Runs well	137.8 tok/s	2554 ms	87K
Reasoning	C	Runs well	174.1 tok/s	1314 ms	44K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	1.2 GB	Low	D31
Q3_K_S	3	1.5 GB	Low	D32
NVFP4	4

Can RX 6900 XT 16GB run Llama 3.2 3B Instruct?

Memory breakdown