https://community.nxp.com/t5/i-MX-Processors/Reducing-Power-Consumption-by-Disabling-CPU-GPU-VPU-on-i-MX95/m-p/2396955#M246059 <P class="">Hi NXP,</P><P>We are looking for ways to reduce the overall power consumption of our i.MX95-based system.</P><P>Could you please help clarify the following questions?</P><UL><LI>Is it possible to completely power down individual CPU cores when they are not required?</LI><LI>Is it possible to completely power down the GPU and VPU if our application does not use them?</LI><LI>If the CPU/ GPU / VPU is not required, is it possible to keep them disabled by default after boot to further reduce power consumption ?&nbsp;(by device-tree ?)</LI><LI>Are there any recommended software configurations or reference documents for achieving the lowest possible power consumption?</LI></UL><P>Our BSP is based on Yocto 5.2 / Linux 6.12.x.</P><P>Thanks.</P><P>&nbsp;</P><P>Best Regards,</P><P>Sean</P> Tue, 21 Jul 2026 01:33:09 GMT SeanChuang 2026-07-21T01:33:09Z https://community.nxp.com/t5/i-MX-Processors/Reducing-Power-Consumption-by-Disabling-CPU-GPU-VPU-on-i-MX95/m-p/2396955#M246059 <P class="">Hi NXP,</P><P>We are looking for ways to reduce the overall power consumption of our i.MX95-based system.</P><P>Could you please help clarify the following questions?</P><UL><LI>Is it possible to completely power down individual CPU cores when they are not required?</LI><LI>Is it possible to completely power down the GPU and VPU if our application does not use them?</LI><LI>If the CPU/ GPU / VPU is not required, is it possible to keep them disabled by default after boot to further reduce power consumption ?&nbsp;(by device-tree ?)</LI><LI>Are there any recommended software configurations or reference documents for achieving the lowest possible power consumption?</LI></UL><P>Our BSP is based on Yocto 5.2 / Linux 6.12.x.</P><P>Thanks.</P><P>&nbsp;</P><P>Best Regards,</P><P>Sean</P> Tue, 21 Jul 2026 01:33:09 GMT https://community.nxp.com/t5/i-MX-Processors/Reducing-Power-Consumption-by-Disabling-CPU-GPU-VPU-on-i-MX95/m-p/2396955#M246059 SeanChuang 2026-07-21T01:33:09Z https://community.nxp.com/t5/i-MX-Processors/Reducing-Power-Consumption-by-Disabling-CPU-GPU-VPU-on-i-MX95/m-p/2398618#M246134 <P>For your questions:</P> <UL> <LI>Is it possible to completely power down individual CPU cores when they are not required?</LI> </UL> <P>A:Yes, you can.</P> <UL> <LI>Is it possible to completely power down the GPU and VPU if our application does not use them?</LI> </UL> <P>A:Yes if not use them.</P> <UL> <LI>If the CPU/ GPU / VPU is not required, is it possible to keep them disabled by default after boot to further reduce power consumption ?&nbsp;(by device-tree ?)</LI> </UL> <P>A:Yes, For GPU/VPU-style platform devices, yes, the normal approach is to set the relevant device tree node status = "disabled"; so Linux does not register/probe that device.</P> <UL> <LI>Are there any recommended software configurations or reference documents for achieving the lowest possible power consumption?</LI> </UL> <P>A:We have the AN14449 — i.MX 95 Power Consumption Measurement : primary reference for measured low-power use cases, BCU procedure, DSM, Linux suspend, and BBSM.</P> <P>Any questions contact us freely</P> <P>Wish you have a nice day</P> Fri, 24 Jul 2026 08:18:12 GMT https://community.nxp.com/t5/i-MX-Processors/Reducing-Power-Consumption-by-Disabling-CPU-GPU-VPU-on-i-MX95/m-p/2398618#M246134 Rita_Wang 2026-07-24T08:18:12Z