Question 1

Can RTX 3050 Ti Laptop 4GB run Qwen2.5 1.5B Instruct?

Accepted Answer

Yes, RTX 3050 Ti Laptop 4GB can run Qwen2.5 1.5B Instruct with a C grade (Tight fit). Expected decode speed: 149.8 tok/s.

Question 2

How much VRAM does Qwen2.5 1.5B Instruct need?

Accepted Answer

Qwen2.5 1.5B Instruct (1.5B parameters) requires approximately 3.3 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Qwen2.5 1.5B Instruct?

Accepted Answer

The recommended quantization for Qwen2.5 1.5B Instruct is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Tight fit	149.8 tok/s	1880 ms	39K
Chat	C	Tight fit	149.8 tok/s	705 ms	10K
Coding	C	Tight fit	149.8 tok/s	1293 ms	19K
RAG	C	Tight fit	149.8 tok/s	2350 ms	39K
Reasoning	C	Tight fit	149.8 tok/s	1528 ms	19K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	0.6 GB	Low	D33
Q3_K_S	3	0.7 GB	Low	D33
NVFP4	4

Can RTX 3050 Ti Laptop 4GB run Qwen2.5 1.5B Instruct?

Memory breakdown