Question 1

Can a AMD RX 9070 (16GB) run Qwen3.8 27B?

Accepted Answer

Yes — Qwen3.8 27B runs at Q2_K (10.8 GB) at about 38–58 tok/s on a AMD RX 9070 (16GB).

Question 2

How much memory does Qwen3.8 27B need?

Accepted Answer

Qwen3.8 27B needs about 11.9 GB at 4K context at its smallest quantization. A AMD RX 9070 (16GB) has 16.0 GB.

Quant	Size	Speed	Fit
Q2_K	10.8 GB	38–58 tok/s	Runs great
Q3_K_M	13.4 GB	32–48 tok/s	Won't fit
Q4_K_M	17.4 GB	25–38 tok/s	Won't fit
Q5_K_M	20.9 GB	21–32 tok/s	Won't fit
Q6_K	23.9 GB	19–28 tok/s	Won't fit
Q8_0	29.1 GB	16–23 tok/s	Won't fit
FP16	54.7 GB	8–13 tok/s	Won't fit