# Power states and features The power saving states, or sleep states, enable you to review the power states before, during, and after running an application. The process ensures a comprehensive power sanity check of the device. - [System-on-chip sleep states](https://docs.qualcomm.com/doc/80-70030-30/topic/qcs6490-soc-power-saving-state.html) A system-on-chip (SoC) sleep state is a low power mode that the entire SoC enters when the device is idle or not actively running any use cases. - [CPU power management](https://docs.qualcomm.com/doc/80-70030-30/topic/cpupowermanagement.html) CPU power management techniques aim to reduce the power consumption of the CPU during both active and idle periods by using the resources efficiently. ## Next steps - [System-on-chip sleep states](https://docs.qualcomm.com/doc/80-70030-30/topic/qcs6490-soc-power-saving-state.html#qcs6490-soc-power-saving-state) - [CPU power management](https://docs.qualcomm.com/doc/80-70030-30/topic/cpupowermanagement.html#cpupowermanagement) Last Published: Jun 22, 2026 [Previous Topic Power architecture](https://docs.qualcomm.com/bundle/publicresource/80-70030-30/topics/architecture.md) [Next Topic System-on-chip sleep states](https://docs.qualcomm.com/bundle/publicresource/80-70030-30/topics/qcs6490-soc-power-saving-state.md)