Difference between 32-Bit vs. 64 Bit Operating System

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Kernel Vs Operating System Firmware and Operating System

Difference between 32-Bit vs. 64 Bit Operating System

A 32-bit system can access 232 memory addresses, i.e 4 GB of RAM or physical memory ideally, it can access more than 4 GB of RAM also.
A 64-bit system can access 264 memory addresses, i.e actually 18-Quintillion bytes of RAM. In short, any amount of memory greater than 4 GB can be easily handled by it. 32 bit Operating System allow 32 bit of data processing simultaneously and 64 bit operating system allow 64 bit of data processing simultaneously. a byte is the unit of data and processing of data is generally denoted as bit processing. In general, there exist two types of processors namely a 32-bit processor and a 64-bit processor.

Difference between 32-Bit vs. 64 Bit Operating System

Parameters32 Bit OS64 Bit OS
Architecture and Software.Allow 32 bit of data processing simultaneously.Allow 64 bit of data processing simultaneously.
Compatibility32-bit applications require 32-bit OS and CPUs.64-bit applications require a 64-bit OS and CPU.
Systems AvailableAll versions of Windows 8, Windows 7, Windows Vista, and Windows XP, Linux, etc.Windows XP Professional, Vista, 7, Mac OS X and Linux.
Memory Limits32-bit systems are limited to 3.2 GB of RAM.64-bit systems allow a maximum 17 Billion GB of RAM.
PerformanceThe 32-bit processor as compared to the 64-bit processor is less efficient in a factor of performance.On the other hand, a 64-bit processor is more recommended for multitasking and other heavy application execution due to its high performance as compared to a 32-bit processor.

Check the version of Operating System

In windows

Click on Start icon-search/type system in the Start Search box, and then click system in the Programs list. The operating system is displayed as follows: For a 64-bit version operating system, 64-bit Operating System appears for the System type under System. For a 32-bit version operating system, 32-bit Operating System appears for the System type under System.


Kernel Vs Operating System Firmware and Operating System

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