An AGP graphics card will boost you speed in two ways
It will be much faster than the on-board Savage3
It will free up RAM that is being used by the on-board graphics.
With $200 you could probably get a decent graphics card AND some more RAM too.
Surface Pro (2017) vs Surface Pro 4
Where HTML5 is headed next
MacBook Pro v Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.