Can I run Qwen3-14B on an RTX 4080?

Yes, with a GGUF version

The published weights are too big, but the Q6_K file from Qwen/Qwen3-14B-GGUF (12.1 GB) fits, with room for ≈ 14K tokens of context.

Full analysis of Qwen3-14B Everything that runs on RTX 4080 Get the Q6_K file on Hugging Face

ollama run hf.co/Qwen/Qwen3-14B-GGUF:Q6_K

Files and context on RTX 4080

Each file of Qwen3-14B (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 4080	Context (16-bit)	Context (8-bit)
As published	29.5 GB	Doesn't fit	—	—
Q8_0Qwen/Qwen3-14B-GGUF	15.7 GB	Doesn't fit	—	—
Q6_KQwen/Qwen3-14B-GGUF	12.1 GB	Tight	14K	27K
Q5_K_MQwen/Qwen3-14B-GGUF	10.5 GB	Fits	23K	40K
Q5_0Qwen/Qwen3-14B-GGUF	10.3 GB	Fits	25K	40K
Q4_K_MQwen/Qwen3-14B-GGUF	9.00 GB	Fits	32K	40K

Qwen3-14B on other hardware

Popular models that run on RTX 4080

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.