Question 1

Can RTX 3070 8GB run gemma 3 4b it?

Accepted Answer

Yes, RTX 3070 8GB can run gemma 3 4b it with a B grade (Runs well). Expected decode speed: 128.5 tok/s.

Question 2

How much VRAM does gemma 3 4b it need?

Accepted Answer

gemma 3 4b it (4B parameters) requires approximately 5.2 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	B	Runs well	128.5 tok/s	2191 ms	45K
Chat	B	Runs well	132.2 tok/s	799 ms	12K
Coding	B	Runs well	128.5 tok/s	1506 ms	24K
RAG	B	Runs well	128.5 tok/s	2739 ms	45K
Reasoning	B	Runs well	128.5 tok/s	1780 ms	24K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	1.6 GB	Low	D34
Q3_K_S	3	2.0 GB	Low	D35
NVFP4	4

Can RTX 3070 8GB run gemma 3 4b it?

Memory breakdown