Well, let's see......
I can cut wider miters on the table saw than the chop saw which has a 10" blade.
This simple table saw jig gives perfect 90* corners......even if its made in such a way that one side is a little over/under 45*......the other side of the jig will produce the complementary angle under/over 45*.
My chop saw is an early model by Delta.....built like a tank (65 pounds).....and intended for use in construction. There is not much adjustability in these early saws.....like making sure the blade is at 90* to the table (vertical)......also there is no stock hold-down so there is always the possibility of stock creep during the cut.....the chop saw is useful.....but, I believe I'm getting more precision on the table saw for certain things.