O2 has sought to counter cost complaints by touting the phone as a feature-packed device with a top of the line MP3 player and Internet browser, not just a mere cell phone.
Apart from an occasional stutter while scrolling in the browser, the Epic's performance felt in line with what we should expect of its Hummingbird core -- in other words, it was generally responsive and smooth (Linpack scores ranged between roughly 7.6 and 8.2 MFLOPS).