Question 1

Can RTX 5090 32GB run Gemma 3 27B?

Accepted Answer

Yes, RTX 5090 32GB can run Gemma 3 27B with a B grade (Runs well). Expected decode speed: 78.3 tok/s.

Question 2

How much VRAM does Gemma 3 27B need?

Accepted Answer

Gemma 3 27B (27B parameters) requires approximately 25.1 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Gemma 3 27B?

Accepted Answer

The recommended quantization for Gemma 3 27B is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Tight fit	72.9 tok/s	3863 ms	35K
Chat	B	Runs well	72.9 tok/s	1449 ms	11K
Coding	B	Runs well	78.3 tok/s	2471 ms	20K
RAG	C	Tight fit	72.9 tok/s	4829 ms	35K
Reasoning	B	Runs well	72.9 tok/s	3139 ms	20K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	10.5 GB	Low	D36
Q3_K_S	3	13.2 GB	Low	D38
NVFP4	4

Can RTX 5090 32GB run Gemma 3 27B?

Memory breakdown