Basically yeah. But I will warn you, your ears are used to a very bright headphones right now so you’re going from one pretty extreme end to the other pretty extreme end of the spectrum in terms of treble. The dark HD6XX might sound wrong at first or maybe even less detailed because of the treble but you’ll have to give your ears at least 2 weeks of adjusting and then go back to your old 770 and you’ll be mind blown.
Well in terms of resolution/timbre its a significant upgrade but vocals are even beter. Overall (but still in MY opinion) tge HD6X0 is a big step up from something like a beyer DT770. And as the original comment said, for many the HD650 is all you need.