Dual R9700 on Asus X570 vs jumping to AM5: a ~€1000 local LLM upgrade dilemma

Mountain-Badger-5815 · reddit · 2026-09-07

A Reddit user weighs upgrading from a single R9700 (AM4, 48GB DDR4, running Qwen3.8 27B Q6 at 110k context) to dual R9700 on a used Asus X570 (2×8 PCIe 4.0 lanes) versus spending €1000 more on AM5 with 32GB RAM. Use cases: larger context or two agents on two GPUs. LLMs advised the AM4 route first, then jumping straight to Threadripper. Asks about expected dual-GPU performance.

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