ThrottleWatch 2.1 is out ! This already popular freeware detects CPU "throttling" due to overheating. New version 2.1 also tracks changes to your CPU core speed and voltage made by Intel SpeedStep and AMD Cool'n'Quiet technologies. A minor bug was fixed: For Pentium 4 Series 5xx "J" and Series 6xx processors that support Enhanced Intel SpeedStep Technology? (EIST?), ThrottleWatch? now accurately graphs fluctuations in core frequency and core voltage. If your system uses one of these CPUs, please download the updated version.

ThrottleWatch? 2.1: CPU Throttling Detection