This is an impossible achievement as currently there is no way of running 2 different gpu's together (unless you may be referring to PhysX in which you could run both gpus). There are possible solutions coming in the near future, but whether there will support newer game titles has yet to be determined.
This is an impossible achievement as currently there is no way of running 2 different gpu's together (unless you may be referring to PhysX in which you could run both gpus). There are possible solutions coming in the near future, but whether there will support newer game titles has yet to be determined.