Sprint unveiled the on Tuesday, kickstarting what promises to be a week filled with . The new EVO Shift 4G may share its older brother's name, but it's a drastically different device -- both inside and out.

The most basic differences are immediately evident upon seeing the new phone. The HTC EVO Shift is significantly smaller than its supersized predecessor, with a 3.6-inch screen compared to the original EVO's 4.3-inch monster display. The EVO Shift uses that extra room to add a slide-out QWERTY keyboard, something the first EVO does not possess.

That's just the start of the EVO story, though. Check out for a side-by-side glimpse at the two phones' specs, and read on for some more specifics.

The best way to sum up the difference between the HTC EVO Shift and the is that the new model feels more like a productivity-focused device, while the first edition has multimedia powerhouse written all over it. The new EVO isn't necessarily better or worse; it's just a different kind of phone designed for a different kind of user. (Fittingly, as of now, there are no signs of Sprint discontinuing the EVO 4G; the new EVO Shift appears to be more of an addition than a replacement.)