Hi there,My question is that I have a card whose name atix1300/x1550 which is about 512mb as said by the shopkeeper but here on catalytic control center,It shows me 256 and I'm confused please tell me do I have 512mb or 256mb please do tell me my email:um

Hi there,My question is that I have a card whose name atix1300/x1550 which is about 512mb as said by the shopkeeper but here on catalytic control center,It shows me 256 and I'm confused please tell me do I have 512mb or 256mb please do tell me my email:umairaf41@gmail.com