Not outdated, and with almost everything, there will be no noticable (or even actual) speed difference.
Only if you have a specific application that could benefit from the increased speed (and the numbers won't tell you if it will, only reviews of the app with the new hardware vs old, or first hand experience).
Only if you have a specific application that could benefit from the increased speed (and the numbers won't tell you if it will, only reviews of the app with the new hardware vs old, or first hand experience).