PHP + MySql VS. HANA

HI, experts,

     I write a same function with "PHP + MySql" and "HANA XS". Now I use "ab" tool (V2.3) to perform a performance test. The command is:

"ab -n 1000 -c 100 "http://XXX.XXXXXX":

  (PHP + MySql)

  (HANA)

  “PHP+MySql" performance is better than "HANA".  Why?

  Thanks and Best regards,

  Candy, Zhang