In this post, we have explained the meaning of Shared GPU memory and Dedicated GPU memory in the Windows operating system.

Vid card is a PCIe GeForce 8500GT with 512 meg dedicated memory. Why does Vista show 255 meg shared memory in use? Another vid card, GeForce 6600 128 meg dedicated showed the same shared mem.

Owners of Zen 5 mobile CPUs can now allocate system memory to graphics.