How to choose Win32 system 32-bit and 64-bit

Starting from Win7, the Windows system began to have 32-bit and 64-bit points. When installing the Win8.1 system, many users were caught in the dilemma of whether to choose a 32-bit system or a 64-bit system. In fact, the two systems are very good, the following small series for everyone to introduce the difference between the Win8.1 system 32-bit and 64-bit, and then choose a system that suits you according to your computer configuration.

The difference between Win8.1 32-bit system and 64-bit system:

1, the original intention of the design

64-bit operating system is designed to meet the mechanical Design and analysis, 3D animation, video editing and authoring, and the need for large amounts of memory and floating point performance in areas such as scientific computing and high-performance computing applications, while 32-bit systems have not been considered too much in the early days.

2, the operation speed is different

Installing a 64-bit system requires the CPU to support 64-bit, while the 64-bit CPU GPRs (General-Purpose Registers, general-purpose registers) has a data width of 64 bits, 64 The bit instruction set can run 64-bit data instructions, which means that the processor can extract 64-bit data at a time (as long as two instructions extract 8 bytes of data at a time), than 32 bits (requires four instructions, four extractions at a time) The byte data has been doubled, and in theory the performance will be doubled.

3, memory addressability is different

32-bit system, the maximum can only support 3.5GB memory, if in 32-bit system, the use of 4GB or more memory The computer can only recognize 3.4GB available, while the 64-bit system can support up to 128GB of memory.

4, different computer configuration requirements

64-bit operating system can only be installed on a 64-bit computer (CPU must be 64-bit), the computer hardware requirements are relatively high, while 64-bit commonly used software is required to get the best performance from 64-bit (x64).

Win8.1 32-bit and 64 which is better?

We have already introduced the difference between 32-bit and 64-bit Win8.1 system. So is the computer installed with a 32-bit system or a 64-bit system?

Xiaobian's answer is: 64-bit Win8.1 system

The reason is that today's 64-bit systems are very mature, and most of the software has been optimized for 64-bit systems. And now the newly purchased computer, the installation is 4GB, 8GB or even more capacity memory, 32-bit system only supports 3.5GB of memory, which is why it is gradually eliminated, and now the CPU supports 64-bit, the installation is not There are unsupported problems, and the 64-bit system is relatively faster, so the 64-bit Win8.1 system is preferred.

The above small series thinks that the 64-bit system will be better, but this is a prerequisite. If the user's machine is bought earlier and the memory is less than 4GB, in order to run smoothly, it is recommended to install. 32-bit system is better.