These are G-instances and graphics is one of the primary use cases for this instance (and for the previous G2 instance). The M60 is the top part with GRID support built in. A GRID license that allows you to use the GRID driver is part of the offering.
Disclosure: I own HPC for AWS (among other things) and used to own instances
Disclosure: I own HPC for AWS (among other things) and used to own instances