Sorry, just noticed you were talking about the even earlier versions of the asus gaming notebooks.

Yes the gpus get hotter, and yes the cooling is better. But yes, end result is still gpu's get hotter.

The graphics cards g750 (800 series) are far better than their g75vw (600 series) counterparts. Better cards means more power, more power means more power consumption, more power consumption means more heat, more heat means better cooling, better cooling can only do so much in a limited space such as a laptop.

That all said, the new 870/880m are still kepler, the 860m Maxwell shows great performance at a fraction of power consumption/heat. The new 870/880m (whatever they will be called) full Maxwell counter parts (which will likely launch with new asus notebooks next year once broadwell chips also come out) will run cooler and consume less energy.

The 880m is really on par with a gtx 760 desktop card, in which even with awesome aftermarket coolers, still run 80c. And that's two huge fans just for graphics card, still runs same temps as a laptop counterpart, which is really good.

Another thing about the 800 series gpu's, is they feature nvidias graphics boost technology. Which means that whatever the stock clock is, the chips then boost it higher to reach the 'target' temperature, once at the 'target' temp, they then throttle/boost throttle/boost to maintain that temp. More often leaving you the consumer with above stock average clocks the entire time.