The virtual address space is not the physical address space.
The following table specifies the limits on physical memory for Windows 7.
Version | 32 bit | 64 bit |
Ultimate | 4GB | 192GB |
Enterprise | 4GB | 192GB |
Professional | 4GB | 192GB |
Home Premium | 4GB | 16GB |
Home Basic | 4GB | 8GB |
Starter | 2GB | N/A |
The process size numbers you have are correct. My bad for not looking and going from memory. Thank you.
Here is the public link to Microsoft's MSDN page explaining the various memory configurations.