The software is designed to run in the background, triggered by a macro/shortcut key of your choosing. Hit the button while gaming or running a benchmark, and it’ll record data for the amount of time you set. From here, it’ll look at the rendered frame rate throughout the graphics pipeline. This will help the software calculate the 90th, 95th and 99th percentile frame rates.
Ideally, graphics card reviews use the 99th percentile, and if frame rates are close to this average, the gameplay is typically smooth, if it’s not, that is likely when you see micro stutters etc. This is a better indication of overall performance while gaming rather than just peak frame rates.
Not everyone cares about how efficient their graphics cards are, but you really should, as they can be pretty expensive components to run for extended periods of time. By integrating PCAT data, you can calculate the Performance Per Watt or PPW of your graphics hardware. PPW is recorded every 100 milliseconds by the sensor and software, and you can see how this is calculated in the equation below.
F/J = (F/S) / J/S):
F/J = Frame Rate ÷ Joules
One Joule: the equivalent of one watt of power radiated or dissipated for one second
(F/S) = Frames per second (FPS)
(J/S) = Watts per second (TGP)
Performance per Watt = FPS ÷ TGP
CHP chip power data is also available in the saved log files, should you need it.
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