Question 1

Can RTX 4080 Super 16GB run gemma 3 12b it?

Accepted Answer

Yes, RTX 4080 Super 16GB can run gemma 3 12b it with a B grade (Runs well). Expected decode speed: 83.5 tok/s.

Question 2

How much VRAM does gemma 3 12b it need?

Accepted Answer

gemma 3 12b it (12B parameters) requires approximately 12.0 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for gemma 3 12b it?

Accepted Answer

The recommended quantization for gemma 3 12b it is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Tight fit	83.5 tok/s	3374 ms	37K
Chat	B	Runs well	83.5 tok/s	1265 ms	12K
Coding	B	Runs well	83.5 tok/s	2320 ms	21K
RAG	C	Tight fit	83.5 tok/s	4218 ms	37K
Reasoning	B	Runs well	83.5 tok/s	2742 ms	21K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	4.7 GB	Low	D36
Q3_K_S	3	5.9 GB	Low	D37
NVFP4	4

Can RTX 4080 Super 16GB run gemma 3 12b it?

Memory breakdown