Question 1

Can GTX 1660 Super 6GB run Phi 3 Mini 3.8B?

Accepted Answer

Yes, GTX 1660 Super 6GB can run Phi 3 Mini 3.8B with a B grade (Runs well). Expected decode speed: 104.4 tok/s.

Question 2

How much VRAM does Phi 3 Mini 3.8B need?

Accepted Answer

Phi 3 Mini 3.8B (3.799999952316284B parameters) requires approximately 4.9 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Phi 3 Mini 3.8B?

Accepted Answer

The recommended quantization for Phi 3 Mini 3.8B is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Tight fit	79.7 tok/s	3532 ms	36K
Chat	B	Runs well	79.7 tok/s	1325 ms	10K
Coding	B	Runs well	104.4 tok/s	1855 ms	20K
RAG	C	Tight fit	79.7 tok/s	4415 ms	36K
Reasoning	B	Runs well	79.7 tok/s	2870 ms	20K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	1.5 GB	Low	D34
Q3_K_S	3	1.9 GB	Low	D35
NVFP4	4

Can GTX 1660 Super 6GB run Phi 3 Mini 3.8B?

Memory breakdown