675MX vs 680M TDP questions...

Does anyone know what the TDP of the 675MX is and what the difference in heat generated is when compared to the flagship GPU, the 680M?


I ask because I know how poorly my laptop cools a 100w TDP GPU, the 6970M I have must remain undervolted to maintain fair temperatures, and although I do want the 670MX... I wouldn't mind just grabbing the 675MX if it mean't little to no added heat generation and just another 15% performance in games. You understand, best bang for buck so to speak.

I know the 680M already runs cooler than the previous 100w TDP parts due to optimizations with how the heat is spread around the silicon... but again, the next upgrade to this machine would probably do better if it didn't require a bios flash just to remain safe for daily operations and gaming.

Any help would be greatly appreciated, that and I know there are several other people who wouldn't mind knowing this too.

 

675MX is rated as 100W TDP. That doesn't mean it will run as hot as the 680m or require as much energy to dissipate the heat, it's just more than 75W so it's binned as 100W TDP.