How much VRAM does gemma 3 4b it need?

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

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

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

Can it run?

Yes, Intel Arc Pro B50 16GB can run gemma 3 4b it with a C grade (Runs well). Expected decode speed: 66.1 tok/s.

CUsable

Runs well

Using Q4_K_M in Ollama

Capabilities:

Fit status

Runs well

Decode

66.1 tok/s

TTFT

2929 ms

Safe context

42K

Memory

6.0 GB / 16.0 GB

Weights2.4 GB

KV Cache0.8 GB

Runtime1.2 GB

Headroom1.6 GB

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	49.6 tok/s	5680 ms	79K
Chat	C	Runs well	49.6 tok/s	2130 ms	21K
Coding	C	Runs well	66.1 tok/s	2929 ms	42K
RAG	C	Runs well	49.6 tok/s	7101 ms	79K
Reasoning	C	Runs well	49.6 tok/s	4615 ms	42K

How gemma 3 4b it (4B params) fits at each quantization level on Intel Arc Pro B50 16GB (16.0 GB usable).

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

Upgrade options

RX 7900 XT 20GBBudget pick

C196.7 tok/s decode

~$899 MSRP

RX 7900 XTX 24GBBest value

C283.3 tok/s decode

~$999 MSRP