Win8.1 32-bit and 64-bit difference

The difference between the 32-bit and 64-bit Win8.1 system is actually the difference between the 32-bit system and the 64-bit system, which generally includes the following and major differences.

　　★ The original design is different

The 64-bit operating system was designed to meet customer requirements for mechanical design and analysis, three-dimensional 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 were not initially considered too much.

　　★ Different speed of operation

Install 64-bit system, requires 64-bit CPU support, while 64-bit CPU GPRs (general-purpose registers, universal Register) data width of 64 bits, 64-bit instruction set can run 64-bit data instruction, that is, the processor can extract 64 bit data at a time ( As long as two instructions, one fetch 8 bytes of data at a time, than 32 bits (need four instructions, one fetch 4 bytes of data) increased by one time, the theoretical performance will increase 1 time times accordingly.

　　★ Memory addressing capability is different

32-bit system, the largest only support 3.5GB memory, if the 32-bit system, the use of 4GB or greater capacity of memory, the computer can only recognize 3.4GB available, and 64-bit system to support the largest 128GB large memory.

　　★ Different Requirements for Computer configuration

The 64-bit operating system can only be installed on 64-bit computers (CPUs must be 64 bits) and requires a relatively high level of computer hardware, and 64-bit common software needs to be installed to perform the best performance of 64-bit (x64).

　　Win8.1 32-bit and 64 which is good?

Above we have introduced the difference between 32-bit and 64-bit systems, then the computer is installed 32-bit Win8.1 system, or install 64-bit Win8.1 system good?

The best answer is:64-bit Win8.1 system

The reason is that today's 64-bit systems are already very mature, most software has been optimized for 64-bit systems, and today's new PCs are installed with 4GB, 8GB, or even larger-capacity memory, 32-bit system to support only 3.5GB memory, which is the reason for its gradual elimination, and now the CPU supports 64-bit, installation does not exist unsupported problems, coupled with 64-bit system speed is relatively faster, so the preferred 64-bit Win8.1 system.

For some of the configuration is very low, less than 4GB of memory of the classic computer, it is recommended to install 32-bit system.

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