How significant is the difference in safety by 1 star?

I'm split between 2 cars: 2007 Toyota Camry and 2007 Honda Accord. It seems that Honda is a bit more reliable, but Camry is a bit more safe. On side impacts Camry has 5 star rating while Accord has 4. How significant is a 1 star difference?How significant is the difference in safety by 1 star?could be the difference in your life if you get T-boned by a SEMI