LOL even my system with "Everything on" in metro LL can't keep up 60FPS it's a hugely demanding game (also I could do with an i7 for more threads)
But still I think OP needs to learn how to set up his card/software/games correctly.
You say it's your first AMD card well take a few days to get to grips with it! Before you go making rash choices.
Check your GPU/CPU is running at full speed,Check temps! throttle's happen, Check in GPU-z under the sensor tab what your GPU usage is like (Could be a slight CPU bottleneck),Check CPU usage!!, Try some other games, MAKE SURE PHYSX IS OFF, Run an HDD benchmark to see if your hard drive is a bottleneck.
Try different drivers (the previous version that someone said they used in this thread or the latest AMD beta drivers).
And don't take benchmark scores as gospel to how your GPU is performing.