Question 1

Can GTX 1660 Super 6GB run Qwen 3 1.7B?

Accepted Answer

Yes, GTX 1660 Super 6GB can run Qwen 3 1.7B with a C grade (Runs well). Expected decode speed: 233.3 tok/s.

Question 2

How much VRAM does Qwen 3 1.7B need?

Accepted Answer

Qwen 3 1.7B (1.7000000476837158B parameters) requires approximately 3.6 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Qwen 3 1.7B?

Accepted Answer

The recommended quantization for Qwen 3 1.7B is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	178.2 tok/s	1580 ms	33K
Chat	C	Runs well	178.2 tok/s	593 ms	13K
Coding	C	Runs well	233.3 tok/s	830 ms	26K
RAG	C	Runs well	178.2 tok/s	1975 ms	33K
Reasoning	C	Runs well	178.2 tok/s	1284 ms	26K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	0.7 GB	Low	D30
Q3_K_S	3	0.8 GB	Low	D31
NVFP4	4

Can GTX 1660 Super 6GB run Qwen 3 1.7B?

Memory breakdown