A CPU with 4 cores each one 1.5GHz will be better in multi-tasking and multi-threaded workloads(Video editing and 3D rendering) comparing to a CPU with 2 cores with 3GHz.
A CPU with 4 cores each one 1.5GHz will be better in multi-tasking and multi-threaded workloads(Video editing and 3D rendering) comparing to a CPU with 2 cores with 3GHz.