The first fully 64-bit operating system was Mac OS X Snow Leopard in 2009. With an increase in the availability of 64-bit processors and larger RAM capacities, Microsoft and Apple both have upgraded versions of their operating systems designed to take full advantage of the new technology. This Microsoft page runs down memory limitations for multiple versions of Windows, but if you’re running the latest Windows 10, you don’t need to worry about limits. Of course, to achieve this, your operating system also needs to be designed to take advantage of the greater access to memory. Here’s the key difference: 32-bit processors are perfectly capable of handling a limited amount of RAM (in Windows, 4GB or less), and 64-bit processors can utilize much more. A 64-bit processor can store more computational values, including memory addresses, which means it can access over 4 billion times the physical memory of a 32-bit processor.
Simply put, a 64-bit processor is more capable than a 32-bit processor because it can handle more data at once. Fitbit Versa 3īut does it really matter when most new PCs have a 64-bit processor? Here’s the real difference between 32-bit and 64-bit.
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