Get Processor data without dotnet WMI services.

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.InteropServices;

// Referências:
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724423(v=vs.85).aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724958(v=vs.85).aspx
// https://www.codeproject.com/Articles/1285/Calling-API-functions-using-C
// https://pradhananand.wordpress.com/2014/12/31/pinvoke-calling-win32-api-from-c/
// https://github.com/sebhildebrandt/systeminformation
namespace CpuRevision
{
    [StructLayout(LayoutKind.Sequential)]
    public struct SystemInfo
    {
        public ProcessorArchitecture ProcessorArchitecture; // WORD
        public uint PageSize; // DWORD
        public IntPtr MinimumApplicationAddress; // (long)void*
        public IntPtr MaximumApplicationAddress; // (long)void*
        public IntPtr ActiveProcessorMask; // DWORD*
        public uint NumberOfProcessors; // DWORD (WTF)
        public uint ProcessorType; // DWORD
        public uint AllocationGranularity; // DWORD
        public ushort ProcessorLevel; // WORD
        public ushort ProcessorRevision; // WORD
    }
    class Program
    {
        [DllImport("kernel32")]
        static extern void GetSystemInfo(ref SystemInfo pSI);

        static void Main(string[] args)
        {
            SystemInfo pSI = new SystemInfo();
            GetSystemInfo(ref pSI);

            Display(pSI);
        }

        static void Display(SystemInfo systemInfo)
        {
            Console.WriteLine("ActiveProcessorMask: " + systemInfo.ActiveProcessorMask);
            Console.WriteLine("AllocationGranularity: " + systemInfo.AllocationGranularity);
            Console.WriteLine("MaximumApplicationAddress: " + systemInfo.MaximumApplicationAddress);
            Console.WriteLine("NumberOfProcessors: " + systemInfo.NumberOfProcessors);
            Console.WriteLine("PageSize: " + systemInfo.PageSize);
            Console.WriteLine("ProcessorArchitecture: " + systemInfo.ProcessorArchitecture);
            Console.WriteLine("ProcessorLevel: " + systemInfo.ProcessorLevel);
            Console.WriteLine("ProcessorRevision: " + systemInfo.ProcessorRevision);
            Console.WriteLine("ProcessorType: " + systemInfo.ProcessorType);
        }
    }
}