Damn it.... Sorry about the mix up.

The models

lenovo IdeaPad Z585 (59345759) w/A10 APU - no discrete GPU ---> http://www.newegg.com/Product/Produc...82E16834310645
lenovo IdeaPad Z585 (59363062) w/A8 APU - w/Discrete GPU ---> http://www.newegg.com/Product/Produc...82E16834312434

So the unit you ordered doesn't have 2nd GPU but will have longer run time before recharge. I do not know, in BOINC terms, which APU crunches CPU work better.