I've seen nothing from Powell yet to suggest he's in the same class as Pogba. I really want him to be and I know he's got quality, but don't think we should get our hopes up just yet given that we've not really seen too much from him. He's hardly been outstanding for reserves and his positional sense may actually be worse than Pogba's when he was here (which is impressive given that Pogba genuinely didn't look like he wanted the ball at times).
Was about to post this but you beat me to it. Pogba's class was obvious for everyone to see, he oozed class and you knew he'd be a top class player be that at United or another team. Powell looks a decent young talent, nothing more, nothing less.