Overclocking CMP 170HX boosts memory bandwidth 36%, nearly doubles Qwen 27B tokens/s
Feralzi · reddit · 2026-09-20
A Reddit user overclocked an NVIDIA CMP 170HX 40GB, pushing memory bandwidth from 1,386.2 GB/s to 1,890.1 GB/s (+36.4%). With no other config changes, Qwen 27B token generation jumped from 110 T/S to 202 T/S. The author suggests these cards are artificially capped and worth overclocking.
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