The Red Devils won 2-0 thanks to a first-half brace from Romelu Lukaku to respond to criticism received after two straight defeats.
When asked if United were simply a better team on the day or if his players underperformed, Dyche answered: "A bit of both first half, they started very well, I did remind all of you before the game, they're a good side.
"They've had a few question marks, but when good players are tested, from the outside looking in, usually they react, and they did.
"They were very good in the early stages of the game, had us on the back foot very early, and it's one of those...it's very good thinking to yourself 'go and do this and do that', but it's difficult when you're out there.
"They're a good side, they use the ball well, their movement was good, they look strong defensively."