Question 1

Can the Radeon Vega 3 (iGPU) run qwen3 8B?

Accepted Answer

qwen3 8B needs about 5.76GB working set (weights 5.2GB + KV cache 0.56GB at 4k context). The Radeon Vega 3 (iGPU) offers ~5.5GB usable — verdict: tight. 5.8 of 5.5 GB usable — barely over; real with q8 KV cache (halves KV) or shorter context

Question 2

How fast is qwen3 8B on the Radeon Vega 3 (iGPU)?

Accepted Answer

~1.8–5.9 tok/s on the Radeon Vega 3 (iGPU). computed roofline: 38.4 GB/s × 0.25–0.80 efficiency window / 5.2GB (Q4_K_M) — bands, never points.

Question 3

What should I run qwen3 8B on instead?

Accepted Answer

Tesla P100 (16GB, used) runs it fully ($135).

Can the Radeon Vega 3 (iGPU) run qwen3 8B?

Run qwen3 8B on instead