Maximum GPU temperature limits for low end graphics card

what is the maximum temperature limit for low end mobility graphics cards like ATI Mobility Radeon HD 4650[default max core speed 450 MHz) in playing High Defination Games like those of FROSTBITE(like NFS THE RUN)??

earlier my GPU temperature used to go as high as 90-95°C(BUT WITHOUT ANY ARTIFACTS), and around 87-88°C for other games like PES 2012. As the temperature was too high, i bought a cooling pad and also did a cleaning of my fan(LAPTOP) and now the temperature remains at 82-83°C for FROSTBITE developers games(like THE RUN)[and around 85-88°C on overclocking core speed to 560 MHz) and around 72-75°C for games like PES 2012.

but upon going through various forums including these it seems like gpu temepratures should go max to max 67-70°C(danger limit being around 80-85°C even though some say its round 120°C) and during idle remain at around 45°C, whereas that of mine remains at 55-58°C while idle(even when using cooling pad that too in an AC room)(AC was even before cleaning of fans)

SO IS MY GPU SAFE,,OPERATING NORMALLY OR DO I NEED A REPLACEMENT???

PLEASE HELP!!!!!!!!!!!!

 

83-83C is fine. I wouldn't want anything higher than about 90C.