Process Explorer v15.3 - Now with heat maps!
Just like in the Windows 8 task manager.
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This major Process Explorer release includes heat-map display for process CPU, private bytes, working set and GPU columns, sortable security groups in the process properties security page, and tooltip reporting of tasks executing in Windows 8 Taskhostex processes. It also creates dump files that match the bitness of the target process and works around a bug introduced in Windows 8 disk counter reporting. (Source