EVGA has introduced a new iCX cooling and tuning technology for its GPUs that promises higher efficiency and better control compared to predecessors. The video cards feature multiple onboard thermal sensors and microcontrollers (MCUs) designed that enable users to precisely tune settings of their cards and monitor their state for potentially better performance, stability, and endurance. Modern high-end graphics adapters have three heat sources: the GPU silicon itself, the memory chips, and the VRM circuitry. To overclock a video card successfully, one needs to ensure that none of these components overheats under the higher voltage. While modern GPU silicon has built-in temperature sensors, memory chips do not (GDDR5X chips have integrated temperature sensors, rare GDDR5 ICs do too) and VRM temperature cannot be monitored without...

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