Question 1

Can RTX 4070 Super 12GB run Llama 3.2 3B Instruct?

Accepted Answer

Yes, RTX 4070 Super 12GB can run Llama 3.2 3B Instruct with a C grade (Runs well). Expected decode speed: 171.4 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 5.4 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	171.4 tok/s	1643 ms	70K
Chat	C	Runs well	171.4 tok/s	616 ms	18K
Coding	C	Runs well	171.4 tok/s	1130 ms	36K
RAG	C	Runs well	171.4 tok/s	2054 ms	70K
Reasoning	C	Runs well	171.4 tok/s	1335 ms	36K

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

Can RTX 4070 Super 12GB run Llama 3.2 3B Instruct?

Memory breakdown