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Reached 1.89 TB/s memory bandwidth overclocking the CMP 170hx

Overclocking the CMP 170HX 40GB I was able to get the memory bandwidth from 1,386.2 GB/s to 1,890.1 GB/s, that's a +36.4% increase. Qwen 3.8 27B token generation jumped from 110 T/S to 202 T/S, same config, nothing changed except the overclock. Just throwing this out there for whoever owns one of t…

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  1. 2026-09-20 06:27 · r/LocalLLaMA
    Reached 1.89 TB/s memory bandwidth overclocking the CMP 170hx

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