ok 1st thing dont do it big letters please.
2nd thing what current g card have you got, because then i can find out what DDR is it, because with the 2 links u got is a GDDR3 and a GDDR5.
so what u need to do is tell me what vid card u currently got, whats your mother board name, or if its not a custom built computer tell me what the computer is called
thanks for trying to help :3