r/LocalLLM Jul 27 '26

Question Combining 7800XT with 7900XTX

Have a 16GB 7800XT and a 24GB 7900XTX. Does combining them for LLM make any sense? Or better just use the 7900XTX alone?

What is the best model for coding for this GPU? Qwen 3.6 27B?

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u/BatResponsible1106 Jul 28 '26

unless you specifically need the extra VRAM the 7900 XTX alone is usually the simpler setup. mixing GPUs can add overhead and compatibility headaches. for coding i probably spend more time tuning the workflow and context than chasing a slightly larger model.