We currently live in Silicon Valley and I can say that Westwood Village felt to me very much like areas of Palo Alto and Mountain View – well-maintained streets, restaurants/cafes/stores that are mostly upscale – not Beverly-Hills-type glam, just on the more upscale side, and also seeming to be locally owned, not cookie-cutter chains. Berkeley, at least the streets near the Cal campus, is much grittier, grimier (I mean that literally, as in the sidewalks just look grimier) and edgier.
I went to U of Chicago and then lived for years in not-very-upscale parts of San Francisco, so the Berkeley streets feel very familiar to me. That’s what I would have chosen when I was young (now that I’m middle-aged, urban grittiness has less appeal than it used to!).