[r/LocalLLaMA] Qwen3.5-122B-A10B GPTQ Int4 on 4× Radeon AI PRO R9700 with vLLM ROCm: working config + real-world numbers

Summary

A user successfully ran the Qwen3.5-122B large language model, quantized to Int4 GPTQ, on a setup featuring four AMD Radeon AI PRO R9700 GPUs. This achievement, leveraging vLLM and ROCm, demonstrates the practical capability of high-end AMD hardware for local inference of very large language models and provides real-world performance numbers. It signifies a notable step for the local LLM community utilizing AMD's ecosystem.

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