Question 1

Can a NVIDIA RTX 4050 Laptop (6GB) run Qwen3 8B?

Accepted Answer

Yes — Qwen3 8B runs at Q2_K (3.3 GB) at about 33–50 tok/s on a NVIDIA RTX 4050 Laptop (6GB).

Question 2

How much memory does Qwen3 8B need?

Accepted Answer

Qwen3 8B needs about 4.7 GB at 4K context at its smallest quantization. A NVIDIA RTX 4050 Laptop (6GB) has 6.0 GB.

Quant	Size	Speed	Fit
Q2_K	3.3 GB	33–50 tok/s	Runs great
Q3_K_M	4.1 GB	28–42 tok/s	Won't fit
Q4_K_M	5.0 GB	24–35 tok/s	Won't fit
Q5_K_M	5.9 GB	21–31 tok/s	Won't fit
Q6_K	6.7 GB	18–28 tok/s	Won't fit
Q8_0	8.7 GB	15–22 tok/s	Won't fit
FP16	16.4 GB	8–12 tok/s	Won't fit