A description of the differences between 32-bit versions of Windows Vista and 64-bit versions of Windows Vista
احد اهم الامور التي يدعمها نسخة الـ 64 بت هي القدره على ولوج الذاكرة الفيزيائية لحدود اكثر من 4 جيجا رام. هذي القدر غير متوفرة في نسخة 32 بت .One of the greatest advantages of using a 64-bit version of Windows Vista is the ability to access physical memory (RAM) that is above the 4-gigabyte (GB) range. This physical memory is not addressable by 32-bit versions of Windows Vista.
Depending on the version of Windows Vista that is installed, a 64-bit version of Windows Vista supports from 1 GB of RAM to more than 128 GB of RAM. The ability to address more physical memory lets Windows Vista minimize the time that is required to swap processes in and out of physical memory. Therefore, Windows Vista can manage processes more efficiently. This memory management feature helps improve the overall performance of Windows Vista.
هذا ما عندي
وهذي قائمة بالفرق بين الـ 32 والـ 64