Problem VRAM A8 4500m HD 7640G + 7670M dual graphic on a pavillion g6 2053ef

yvouille

Honorable
Jul 28, 2013
2
0
10,510
Hi like the title says i've got a 7640G + 7670M dual graphic card. The Vram should be at least 1 Gb but... catalyst says 512M, I also tried with skyrim performance monitor and it says VRAM max 512 as well.
Help me to understand what is happening please.

Also drivers and BIOs are up to date