The Athlon has always been a very capable processor, often able to rival Intel's flagship processors for the performance crown while maintaining an excellent level of value. It seems though that AMD has hit a snag with their 0.13 micron manufacturing process. Going down to a 0.13 micron manufacturing process is quite difficult and more than a few other FAB's, like TSMC for example are having difficulty with the process. With the first revision Thoroughbred hitting a top speed of around 1.9-2 GHz things didn't weren't looking to good for AMD in the battle against Intel. So what exactly did AMD do to turn things around?