Yeah faster and smoother by a few millisecs and smoother by an extra tiny percent. Precise tracking yeah, but that barely noticable. Yeah you think it is, but it's just cause it's a new mouse. It's impossible to noticed the minute change they give. It's like Video Cards that give us 100FPS, Do we need that much? No. Can we actually tell a difference between 50FPS and 100FPS? No. Sorry again don't mean to be a downer,but they seriously don't make that much of a difference in Real Life. Yeah on paper and on the Box the Specs look good. Well I better go I have Finals today and need to study alittle more.