如何确定我的CPU是32位还是64位? [英] How can I discover whether my CPU is 32 or 64 bits?

问题描述

如何确定我的处理器是32位还是64位(以您选择的语言显示)?我想对Intel和AMD处理器都知道这一点.

How do I find out if my processor is 32 bit or 64 bit (in your language of choice)? I want to know this for both Intel and AMD processors.

推荐答案

Windows，C/C ++:

Windows, C/C++:

#include <windows.h>

SYSTEM_INFO sysInfo, *lpInfo;
lpInfo = &sysInfo;
::GetSystemInfo(lpInfo);
switch (lpInfo->wProcessorArchitecture) {
case PROCESSOR_ARCHITECTURE_AMD64:
case PROCESSOR_ARCHITECTURE_IA64:
    // 64 bit
    break;
case PROCESSOR_ARCHITECTURE_INTEL:
    // 32 bit
    break;
case PROCESSOR_ARCHITECTURE_UNKNOWN:
default:
    // something else
    break;
}

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