Question 1

Can a AMD RX 9070 XT (16GB) run Qwen3.6 27B?

Accepted Answer

Yes — Qwen3.6 27B runs at Q2_K (11.9 GB) at about 35–53 tok/s on a AMD RX 9070 XT (16GB).

Question 2

How much memory does Qwen3.6 27B need?

Accepted Answer

Qwen3.6 27B needs about 12.9 GB at 4K context at its smallest quantization. A AMD RX 9070 XT (16GB) has 16.0 GB.

Quant	Size	Speed	Fit
Q2_K	11.9 GB	35–53 tok/s	Runs great
Q3_K_M	13.6 GB	31–47 tok/s	Won't fit
Q4_K_M	16.8 GB	26–39 tok/s	Won't fit
Q5_K_M	19.5 GB	23–34 tok/s	Won't fit
Q6_K	22.5 GB	20–30 tok/s	Won't fit
Q8_0	28.6 GB	16–24 tok/s	Won't fit
FP16	53.8 GB	9–13 tok/s	Won't fit