Please tell us more information like:
1. What is the MPN of the IC you are using?
2. What is the current consumption when just CPU running at different frequencies? (Do not put any components in schematic and no firmware in Creator. Just run the empty project)
3. What is the part number of crystal that you are using? Is it as per our recommendation in PSoC 4 Crystal selection appnote?
4. Please attach the schematic of your application.