San Jose, California is 2.7 times larger than Irvine, California.
Area: 173 km2 calculated
Irvine is a suburban city in Orange County, California, United States. It is a planned city, mainly developed by the Irvine Company since the 1960s. Wikipedia
Area: 470 km2 calculated
San Jose is the third-largest city in California, the tenth-largest in the United States, and the county seat of Santa Clara County. San Jose is the largest city within Silicon Valley, which is a major component of the greater Bay Area. It is the largest city in Northern California. Wikipedia