I'm starting to think you've never even held a pair of any of those in your hands. If you have though, do please express that, because otherwise, you're saying something very opposite of what others with these actual headphones would describe them as.
Philips uptowns/downtowns are very flimsy and cheap. I broke one just unboxing it. I bought two for $30 each (Uptowns). They're junk.
The PRO750, HM5 and DT770 are tanks and build to take abuse.