That's not showing the amount of RAM the card has; it's just showing the amount that's made visible to the host directly:
See: http://askubuntu.com/questions/126699/how-to-setup-ati-mobility-radeon-hd-4650 ** Changed in: pciutils (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1179126 Title: Wrong memory size is shown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pciutils/+bug/1179126/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs