Earlier quoted context omitted.
Depends which part of Oakland. Some parts of Oakland (eg. Rockridge, Temescal) are significantly nicer than SF. They aren't exactly cheap, but your safety : price ratio is significantly better than in say, the Mission.
They may appear nicer but when I read Yelp reviews in Rockridge and Temescal they occasionally mention the bars on the windows or robberies taking place which I've never seen in San Francisco. Not trying to say the average person will encounter problems but I do think even those areas have more crime than you'd think. As someone who lived in Oakland and now has rent control in the Mission, I would say that my safety…
Here are some further details for those who care about the facts:
1. This is a representative review for one Thai restaurant that I wanted to go to in Rockridge where I noticed many reviews mentioned them being robbed repeatedly and now the restaurant has to buzz customers through the door because of it (read the first review or search for "robbery"): http://www.yelp.com/biz/saysetha-thai-cuisine-oakland?hrid=u...
2. Here is a recent article about how middle class residents of many neighborhoods including Rockridge and Temescal have resorted to hiring private security forces due to the rampant crime problems: http://america.aljazeera.com/articles/2014/5/30/oakland-priv...
3. Here is an article describing why robbers like Rockridge and other "target rich" neighborhoods where it is easy to rob rich people and escape: http://patch.com/california/rockridge/why-robbers-like-rockr...