If you want an <i>appliance</i>, then sure, you don't need to bother with specs; you shouldn't have to care about the processor speed of a dedicated music player any more than the microprocessor in a microwave.<p>If you want a <i>computer</i>, however, then specs matter quite a bit, because they determine how fast arbitrary general-purpose programs will run, and whether they can run at all.<p>Personally, when I buy a smartphone, I want a computer, not an appliance. If I wanted an appliance, I'd buy a non-smartphone, and I indeed wouldn't bother checking the performance specs.