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Can I run HunyuanOCR on an RTX 5070?

Yes

Its published weights (2.24 GB) fit in the 10.8 GB an RTX 5070 can use, with room for ≈ 85K tokens of context.

Full analysis of HunyuanOCR Everything that runs on RTX 5070 Get the weights on Hugging Face
hf download tencent/HunyuanOCR

Files and context on RTX 5070

Each file of HunyuanOCR (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.

FileSizeOn RTX 5070 Context (16-bit)Context (8-bit)
As published2.24 GBFits85K128K
4-bit (estimate)630 MBFits101K128K

HunyuanOCR on other hardware

Popular models that run on RTX 5070

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.