买电脑就那这个试试

// ConsoleApplication.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//
//#include "StdAfx.h"
#include "windows.h"
#include "iostream"
#include "string"
#include<iostream>
#include<cstdlib>
#include<ctime>
using namespace std;

//用来存储信息
DWORD deax;
DWORD debx;
DWORD decx;
DWORD dedx;

void ExeCPUID(DWORD veax)//初始化CPU
{
    __asm
    {
        mov eax, veax
        cpuid
        mov deax, eax
        mov debx, ebx
        mov decx, ecx
        mov dedx, edx
    }
}

long GetCPUFreq()//获取CPU频率,单位: MHZ
{
    int start1, start2;
    _asm rdtsc
    _asm mov start1, eax
    Sleep(50);
    _asm rdtsc
    _asm mov start2, eax
    return ((start2 - start1) / 50) / (1024);
}

string GetManID()//获取制造商信息
{
    char ID[25];//存储制造商信息
    memset(ID, 0, sizeof(ID));//先清空数组 ID
    ExeCPUID(0);//初始化
    memcpy(ID + 0, &debx, 4);//制造商信息前四个字符复制到数组
    memcpy(ID + 4, &dedx, 4);//中间四个
    memcpy(ID + 8, &decx, 4);//最后四个
    //如果返回 char * ,会出现乱码;故返回 string 值
    return string(ID);
}

string GetCPUType()
{
    const DWORD id = 0x80000002; //从0x80000002开始,到0x80000004结束
    char CPUType[49];//用来存储CPU型号信息
    memset(CPUType, 0, sizeof(CPUType));//初始化数组

    for (DWORD t = 0; t < 3; t++)
    {
        ExeCPUID(id + t);
        //每次循环结束,保存信息到数组
        memcpy(CPUType + 16 * t + 0, &deax, 4);
        memcpy(CPUType + 16 * t + 4, &debx, 4);
        memcpy(CPUType + 16 * t + 8, &decx, 4);
        memcpy(CPUType + 16 * t + 12, &dedx, 4);
    }

    return string(CPUType);
}

int main()
{
    cout << "正在计算1e6*1e4次……" << endl;
    clock_t start, end;
    start = clock();        //程序开始计时
    int ans = 0;
    for (int i = 1; i <= 1e6; i++)
    {
        ans++;
        for (int j = 0; j <= 1e4; j++)
        {
            ans++;
        }
    }
    end = clock();        //程序结束用时
    double endtime = (double)(end - start) / CLOCKS_PER_SEC;
    cout << "Total time:" << endtime << "秒" << endl;        //s为单位
    cout << "Total time:" << endtime * 1000 << "毫秒" << endl;    //ms为单位

    cout << "本机CPU信息如下:" << endl;
    cout << "CPU 主 频: " << GetCPUFreq() << " MHZ" << endl;
    cout << "CPU 制造商: " << GetManID() << endl;
    cout << "CPU 型 号: " << GetCPUType() << endl;
    system("pause");
    return 0;


}