NVIDIA has released the optimized GTA IV driver 180.84 BETA... Can be found in nzone.
The link is provied below...
It will help and also post the difference you experienced.
Cheers.
http://www.nzone.com/object/nzone_gtaiv_downloads.html
The link is provied below...
It will help and also post the difference you experienced.
Cheers.
http://www.nzone.com/object/nzone_gtaiv_downloads.html