Question 1

Can RTX 5080 16GB run gemma 3 4b it?

Accepted Answer

Yes, RTX 5080 16GB can run gemma 3 4b it with a C grade (Runs well). Expected decode speed: 283.3 tok/s.

Question 2

How much VRAM does gemma 3 4b it need?

Accepted Answer

gemma 3 4b it (4B parameters) requires approximately 6.0 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for gemma 3 4b it?

Accepted Answer

The recommended quantization for gemma 3 4b it is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	255.7 tok/s	1101 ms	79K
Chat	C	Runs well	255.7 tok/s	413 ms	21K
Coding	C	Runs well	283.3 tok/s	683 ms	42K
RAG	C	Runs well	255.7 tok/s	1376 ms	79K
Reasoning	C	Runs well	255.7 tok/s	895 ms	42K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	1.6 GB	Low	D32
Q3_K_S	3	2.0 GB	Low	D32
NVFP4	4

Can RTX 5080 16GB run gemma 3 4b it?

Memory breakdown