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Testing iGPU vs CPU inference: Trying to run Qwen 27B on a Radeon 780M (48GB RAM), but crashing on prompt eval

This story is from 2026-09-12. It is preserved in the archive; the latest stories are on the live feed.

Hi! I'm trying to run qwen3.8 27b q8 (tried q6 too) on my Ryzen 7 7840HS iGPU. I'm running CachyOS, kernel 7.2. Running llama.cpp from master branch. I have 48gb of RAM. Also running KDE on egpu rx 6700 xt 12gb (via oculink), so nothing is running on the iGPU. Yeah, I tested with some layers on egp…

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  1. 2026-09-12 17:26 · r/LocalLLM
    Testing iGPU vs CPU inference: Trying to run Qwen 27B on a Radeon 780M (48GB RAM), but crashing on prompt eval

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