Does the 32-bit addressing limit (of a 32-bit application) include dedicated video memory?

Question

Can a 32-bit application utilize more than 4GB between system RAM and video RAM?

Context: Some games (for instance, Skyrim) are compiled under 32-bit architectures. I am running a 64-bit system with 16GB of DDR3 on the motherboard and 4GB of GDDR5 on the graphics card. Does the 32-bit architecture of the program limit its address capability to 4GB of total space, or is the graphics memory (which is on-board the graphics card) in a separate address space, thus neatly allowing the total sum of addressable memory to be greater than 4GB?

I ask because I have no way of knowing whether the paged amount in task manager and the amount of graphics memory used in GPU-Z are independent sets (which would seem to indicate that they are separately addressed, as the sum can be greater than 4GB), or if there is overlap between them.

Answer 1

It does not matters in which the game is compilled. It depends on your OS architecture. As you are uing 64 bit it will utilise all the memory