Question 1

Can I run Qwen3 30B A3B on a AMD Radeon RX 7900 XT?

Accepted Answer

Yes — AMD Radeon RX 7900 XT runs Qwen3 30B A3B fully on GPU at the Q4_K_M quantization. Full GPU inference — 20 GB VRAM meets the 19.5 GB recommendation.

Question 2

What quantization of Qwen3 30B A3B should I use on a AMD Radeon RX 7900 XT?

Accepted Answer

For 20 GB VRAM on the AMD Radeon RX 7900 XT, the Q4_K_M variant is the best fit. Estimated ~42.7 tokens/sec on the Q4_K_M quantization.

Question 3

How fast does Qwen3 30B A3B run on AMD Radeon RX 7900 XT?

Accepted Answer

Roughly 42.7 tokens/sec for Q4_K_M. Real speed depends on context length, backend (Ollama, llama.cpp, LM Studio), and KV cache size.

Question 4

What if AMD Radeon RX 7900 XT is not enough for Qwen3 30B A3B?

Accepted Answer

Try a smaller quantization variant or run on CPU + RAM with the trade-off of slower generation.

Quantization	File Size	Min VRAM	Rec VRAM	Context	Verdict	Estimated tok/s
Q4_K_MBest fit	15 GB	17.3 GB	19.5 GB	8K / 8K	Full GPU	~42.7
Q5_K_M	18.8 GB	21.6 GB	24.4 GB	8K / 8K	Hybrid CPU+GPU	~12
Q8_0	30 GB	34.5 GB	39 GB	8K / 8K	Hybrid CPU+GPU	~8
FP16	60 GB	69 GB	78 GB	8K / 8K	Can't Run	—

Can I Run Qwen3 30B A3B on AMD Radeon RX 7900 XT?

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Every Qwen3 30B A3B quantization on AMD Radeon RX 7900 XT