It has onboard graphics, the PCI Express slot will allow you to upgrade to a better graphics card if you wish.
Have you run the Vista upgrade advisor program to check if your machine is suitable an which level of Vista is best for it. click here
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation technologies coming to Siggraph 2017
iPad Pro 12.9 vs Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.