The Qu'ran does say that non-muslims will be punished by stones and fire, but the Bible probably says some very similar stuff.
the difference is that christianity is practiced in mostly 1st world countries while Islam is practiced in developing countries where there's more resources for terror groups to pop up and take control
Sahih Bukhari (52:260)
Ah yes those tough mudslimes. Murdering civilians because some cartoonist drew a cartoon of Muhammad. Theres a difference between having balls and being a worthless savage you loving idiot.
Something you probably don't understand is that people have their own interpretations of holy texts. There are so many different sects of Islam with people who believe different sections of the Qu'ran and discard others. The majority of muslims who live in 1st world countries don't follow that particular section or believe in their own adaptation.
Christianity also has its own sects and offshoots that believe their own interpretations. It doesn't mean that the most volatile one is the majority