// Prints something like "Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz"
    print (SystemInfo.processorType);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void Example() {
        print(SystemInfo.processorType);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def Example():
        print(SystemInfo.processorType)