The only issue is that the laptop's GPU throttles long before the thermal limit is reached, and neither one of the users figured out how to stop the throttling. I suspect HP is mostly responsible since there's an Acer laptop that also has the 8750M and only throttles down to 650 MHz on occasions at 80C.
http://forum.notebookreview.com/hp-busi ... ost9739967
Anyways there is no way to circumvent the GPU power throttling. I even managed to overclock it, but it actually made it worse because the AMD powertune limits made it throttle harder. I couldn't figure out how to increase the powertune limits.
...the throttling is really bad jumping between 570-670 and down to 300MHz, with 300 being throttled to half of the given time. I would understand the idea of the 8750M is for additional support in mostly business like situations for apps that would benefit from it.
Really though what is the point if throttling is so bad the 8750M is running half the power half of the time. Worse part is having huge lag and stuttering. Seem like a travesty to have to under clock the GPU down to 300MHz permanently to keep it level headed, and very weak at that.
btw. 72 C is the point of the throttling, keep it under that (play out in the snow during winter) and you should be good. Pretty much impossible in the real world.
Notebookcheck review also confirmed that the GPU was throttling and thus causing micro-stutter when playing Dota 2, and system temperature was only 72C. The i7-4600U only throttled from 2.9 GHz to 2.4 GHz (base clock rate is 2.1 GHz).
http://www.notebookcheck.net/Review-Upd ... 037.0.html
Cropped image from notebookcheck: