Can I run Qwen3-VL-2B-Thinking on an RTX 3090?

Yes

Its published weights (4.26 GB) fit in the 21.6 GB an RTX 3090 can use, with room for ≈ 148K tokens of context.

Full analysis of Qwen3-VL-2B-Thinking Everything that runs on RTX 3090 Get the weights on Hugging Face

hf download Qwen/Qwen3-VL-2B-Thinking

Files and context on RTX 3090

Each file of Qwen3-VL-2B-Thinking (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

File	Size	On RTX 3090	Context (16-bit)	Context (8-bit)
As published	4.26 GB	Fits	148K	256K
F16Qwen/Qwen3-VL-2B-Thinking-GGUF	3.45 GB	Fits	155K	256K
Q8_0Qwen/Qwen3-VL-2B-Thinking-GGUF	1.83 GB	Fits	168K	256K
Q4_K_MQwen/Qwen3-VL-2B-Thinking-GGUF	1.11 GB	Fits	174K	256K

Qwen3-VL-2B-Thinking on other hardware

Popular models that run on RTX 3090

Assumes 90% of the card's memory is usable and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.