I can't find any meaningful chart of features that shows the difference between what I have now in a 6 tuner Roamio which I have upgraded to 3TB to a new edge box.. I assume the OS is fundamentally the same? Is there a substantial upgrade in CPU speed or memory? I do find sometimes the Roamio is a little lagging, and perhaps with all the new features over the years (use them or not!) it would be worth a hardware update but I'm just curious if there's anything elsethe Edge would give me?

Sorry if this question has been answered elsewhere, but I didn't see anything when I searched..
Steve