Qualcomm has been right in the thick of it over the past 18 months. They're leapfrogged atm but they also just bumped their GPU and are about to start shipping 1.5 Ghz chips that appear more then competitive:

http://www.anandtech.com/show/4243/dual-core-snapdragon-gpu-...

Yes that's a higher clock speed then the competition but they've also announced higher clock speeds for their quad cores next year.