Can I run AstaBrief_8B on a Radeon RX 7900 XTX?

Yes

Its published weights (16.4 GB) fit in the 21.6 GB a Radeon RX 7900 XTX can use, with room for ≈ 35K tokens of context.

Full analysis of AstaBrief_8B Everything that runs on Radeon RX 7900 XTX Get the weights on Hugging Face

hf download allenai/AstaBrief_8B

Files and context on Radeon RX 7900 XTX

Each file of AstaBrief_8B (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 Radeon RX 7900 XTX	Context (16-bit)	Context (8-bit)
As published	16.4 GB	Fits	35K	40K
4-bit (estimate)	4.61 GB	Fits	40K	40K

AstaBrief_8B on other hardware

NVIDIA H100Yes
RTX 5090Yes
RTX 4090Yes
RTX 3090Yes
RTX 5060 Ti 16 GBProbably, at 4-bit
RTX 3060 12 GBProbably, at 4-bit
RTX 4060Probably, at 4-bit
Radeon RX 7900 XTXYes
Mac with 32 GBYes
Mac with 64 GBYes
Mac with 128 GBYes

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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.