using System;

using System.Diagnostics;

​

public class Program

{

    enum MyEnum

    {

        EnumItem1

    }

​

    public static void Main(string[] args)

    {

        var count = 1000000;

        Console.WriteLine("ToString: {0} ms", DoTest(count, () =>

        {

            var temp = MyEnum.EnumItem1.ToString();

        }

​

        ).ToString());

        Console.WriteLine("Enum.GetName: {0} ms", DoTest(count, () =>

        {

            var temp = Enum.GetName(typeof (MyEnum), MyEnum.EnumItem1);

        }

​

        ).ToString());

    }

​

    static long DoTest(int count, Action action)

    {

        var sw = Stopwatch.StartNew();

        for (int i = 0; i < count; ++i)

        {

            action();

        }

​

        return sw.ElapsedMilliseconds;

    }

}