Scroll down to the section on crime data for each city (not far down the page):
https://www.city-data.com/city/Austin-Texas.html
https://www.city-data.com/city/San-Francisco-California.html
Austin typically has a far lower murder rate than SF (usually 1/2 to 1/3 the rate of SF looking over the prior decade). Austin is usually well below the US national murder rate, which is rare for a major US city. Austin has a dramatically lower robbery rate vs SF. They're similar on assaults. Austin is higher by 50% on rapes. SF is a lot higher on thefts. They're similar on burglaries.
