A 64-bit OS Lets You Run All The DRAM You Want
Many people believe that, with a 64-bit OS, you can use an unlimited amount of DRAM, which isn’t true. Here are the DRAM limitations for Windows 7, for example:
Windows 7 DRAM Limits
x86 (32-bit) | x64 (64-bit) | |
---|---|---|
Windows 7 Ultimate | 4GB | 192GB |
Windows 7 Enterprise | 4GB | 192GB |
Windows 7 Professional | 4GB | 192GB |
Windows 7 Home Premium | 4GB | 16GB |
Windows 7 Home Basic | 4GB | 8GB |
Windows 7 Starter | 2GB | N/A |
And on Windows 8:
Windows 8 DRAM Limits
x86 (32-bit) | x64 (64-bit) | |
---|---|---|
Windows 8 Enterprise | 4GB | 512GB |
Windows 8 Professional | 4GB | 512GB |
Windows 8 | 4GB | 128GB |