A heterogeneous-frequency CPU, a method and an apparatus for implementing heterogeneous frequencies, and a task scheduling method are provided. The CPU includes multiple cores, and the multiple cores have a same function but different operating frequencies of hardware. The method for implementing heterogeneous frequencies includes: determining a plurality of preset operating frequencies of the plurality of cores after the CPU starts; setting the operating frequency of each core of the plurality of cores at a respective preset operating frequency; and maintaining the set operating frequencies throughout performance of the cores. The disclosed heterogeneous-frequency CPU has stable computing performance when demand and requirements of services constantly change. The operating system can schedule a service to a core having an operating frequency that matches the service.
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