Heya Vesplee Welcome to PCHF

It all depends on what you're trying to do.

If you're not doing gaming there really isn't a reason to mess with it. If you plan on playing some higher end 3d games, that Riva card isn't going to help you either.

Even if the Riva card is any better than the onboard graphics, it isn't going to be much better anyways. I honestly wouldn't bother. If you want some better graphics, you'd be better off spending a few bucks and getting a new card altogether.

The card you choose to throw in there is going to depend on what you're trying to do with the computer.