Sandy Bridge is getting a little long in the tooth but still very capable (I still have mine as a backup gamer rig). And yes, definitely get a faster GPU like a GTX 1050Ti and 16GB RAM. I would normally say upgrade to an i7 2700K, but I would not recommend putting any more money in a six year old chipset - especially considering you would be forced to buy a used chip and you never know how well it was taken care of over the years.