Listen, I have an 810. That being said, the 830 is certainly not a downgrade from that. Stop worrying about the stupid clock speed of a chip. The 810 has a 1.5 dual core and it runs wp8 blisteringly faster than all of the top end androids I have ever owned or handled. You do get an occasional resuming when flipping through 4 different apps, but it's a freaking dual core chip. The 830 is going to give you a much superior camera, a bigger and better screen, and more internal memory. Stop getting caught up in specs until you have handled the phone. I'm sure there are going to be a lot of people sticking their foot in their mouth when this phone has been released. I'm personally going to upgrade mine because it's going on 2 years. I beat it up, I want a 5 inch screen, and I want a better camera. In no way shape or form will it be a down grade. The only thing you are sacrificing with the 830 in going to be "hey Cortana". I can live with that, I would much rather have glance anyway.