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[Off-Topic] 32 Bit - 64 Bit systems Explained

2017-09-16 03:04:22
9321 155

Hi Mi-Fans

Hope you are all well!  You’ve probably seen 32-bit and 64-bit options available whenever you download an app or install a game. Your device might even have a sticker that says it has a 64-bit processor. But does it really matter?

In this thread, we are going to discuss  32 Bit and 64 Bit systems in detail!

What are the Bits?

The number of bits in a processor refers to the size of the data types that it handles and the size of its registry. Simply put, a 64-bit processor is more capable than a 32-bit processor because it can handle more data at once. A 64-bit processor is capable of storing more computational values, including memory addresses, which means it’s able to access over four billion times as much physical memory than a 32-bit processor.

64-bit processor is more capable than a 32-bit processor because it can handle more data at once


For 32 Bit -
The 32-bit processor was the primary processor used in all computers until the early 1990s. Intel Pentium processors and early AMD processors were 32-bit processors. The operating system and software on a computer with a 32-bit processor are also 32-bit based, in that they work with data units that are 32 bits wide. Windows 95, 98, and XP are all 32-bit operating systems that were common on computers with 32-bit processors.

For 64 Bit -
The 64-bit computer has been around since 1961 when IBM created the IBM 7030 Stretch supercomputer. However, it was not put into use in home computers until the early 2000s. Microsoft released a 64-bit version of Windows XP to be used on computers with a 64-bit processor. Windows Vista, Windows 7, and Windows 8 also come in 64-bit versions. Other software has been developed that is designed to run on a 64-bit computer, which is 64-bit based as well, in that they work with data units that are 64 bits wide.

Mobile Device 64-Bit -
Apple's A7 chip was the first 64-bit processor to go into a mobile phone (iPhone 5s). In 2015, Apple mandated that all iOS software had to go 64.
On Android phones, it can be a little trickier to uncover details unless you're well-versed on what chip is inside. Also, if you're not running Android 5.0 Lollipop or newer, you're still 32-bit. One app that will tell you is AnTuTu Benchmark; load it, click the Info button and look for the Android line. It'll tell you the Android version and if it's 32- or 64-bit. Despite there being more chips running Android, from ARM to Snapdragon, the push toward 64-bit is fully underway.
For iOS and Android, this isn't about opening up the OS to using more RAM—the memory needs on a handheld remain negligible compared to desktop use. In fact, going x64 isn't a guarantee of better performance—plenty of Android 32-bit phones matched the initial 64-bit iPhone 5s. Plus, the first 64-bit Android phones, like the HTC Desire 510, didn't benefit at all by being stuck with an older 32-bit version of Android.
But smartphones going 64-bit has other benefits—things like fetching, even more data per cycle (and faster), better encryption, and overall moving to new 64-bit chips—specifically the ARMv8 architecture—with improved features, like power efficiency.

Differences between a 32-bit and 64-bit CPU
  • A big difference between 32-bit processors and 64-bit processors is the number of calculations per second they can perform, which affects the speed at which they can complete tasks. 64-bit processors can come in dual core, quad core, six core, and eight core versions for home computing. Multiple cores allow for an increased number of calculations per second that can be performed, which can increase the processing power and help make a computer run faster. Software programs that require many calculations to function smoothly can operate faster and more efficiently on the multi-core 64-bit processors, for the most part.
  • Another big difference between 32-bit processors and 64-bit processors is the maximum amount of memory (RAM) that is supported. 32-bit computers support a maximum of 3-4GB of memory, whereas a 64-bit computer can support memory amounts over 4 GB. This feature is important for software programs used in graphic design, engineering, and video editing as these programs have to perform many calculations to render their images.
  • In the end, 64-bit processors are becoming more and more commonplace in home computers. Most manufacturers build computers with 64-bit processors due to cheaper prices and because more users are now using 64-bit operating systems and programs. Computer parts retailers are offering fewer and fewer 32-bit processors and soon may not offer any at all.

What 32-bit and 64-bit combinations are compatible and will work together?

The general rule is that 32-bit will run on a lower level 64-bit component but 64-bit does not run on a lower level 32-bit component:
  • A 32-bit OS will run on a 32-bit or 64-bit processor without any problem.
  • A 32-bit application will run on a 32-bit or 64-bit OS without any problem.
  • But a 64-bit application will only run on a 64-bit OS and a 64-bit OS will only run on a 64-bit processor.

                                                                         Table 1 — What is compatible if I have a 32-bit CPU?                                                     
Processor (CPU)
Operating System (OS)
Application Program

                                       Table 2 — What is compatible if I have a 64-bit CPU?                                                                                       
Processor (CPU)
Operating System (OS)
Application Program

How to check my device Bit version:

For every type of operating system and device, the fetching details varied. Following are the details how to check your device -

Windows PC:
Goto Run ( Windows + R) - type “ cmd “ - Type “ wmic os get osarchitecture “ You will get the what bit of OS u are running.
Linux PC :
Open Command window ( Alt+Ctrl+T) - Type ” file /sbin/init “.

Mac OS:
Open Terminal - Type “ sysctl hw |grep 64bit “ - If the result is 1, then the device is 64 Bit.

Mobile Devices :
Install  AnTuTu Benchmark - Click on “ Info “ tab - Check Android Version.

The key difference between the two is, 32-bit processors are perfectly capable of handling a limited amount of RAM (in Windows, 4GB or less), and 64-bit processors are capable of utilizing much more. Of course, in order to achieve this, your operating system also needs to be designed to take advantage of the greater access to memory. This Microsoft page runs down memory limitations for multiple versions of Windows. A horse-drawn cart will get you to work just as easily as a car will, barring any equine issues, but a car is a lot more capable – it can get you to work, or across the country and it can do it a lot faster than a horse can.


Number of participants 6 Experience +27 Pack Reason

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2017-09-16 03:04:22
Favorites88 RateRate
Conclusive and well drafted.
2017-09-17 23:30:39
I've got a blog that I occasionally write on!
You can find it here at
Thnks for the information
2017-09-17 23:35:49

Semi Pro Bunny

pRaBa143 | from Redmi Note 4


Nice info
2017-09-18 08:51:15

Semi Pro Bunny

1653720190 | from Redmi Note 4


really nice bro
2017-09-18 10:05:22
Nice info thnx for sharing
2017-09-18 10:14:13

Rookie Bunny

1578259396 | from app


hyyy i want 2 makea booteble pendrive please help
2017-09-19 05:02:40
Thanks for your information.
2017-09-20 00:11:09

Mi FC President

Arbaz | from Redmi Note 4


thanks very informative
2017-09-20 00:19:00
Tech Launcher

Master Bunny

Thakur Vivek | from Redmi Note 3


thanks for sharing
2017-09-20 00:29:48
Power Of Technology

Semi Pro Bunny

1723847285 | from Redmi 4


2017-09-20 00:34:43
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