.NET (Core and Framework)

class Program
{
    private static int iterations = 10000000;
    private static int repeats = 10;
                                    
    static void Main(string[] args)
    {
        long method1Total = 0;
        long method2Total = 0;

        for (int experiementCounter = 0; experiementCounter < repeats; experiementCounter++)
        {
            Stopwatch s1 = new Stopwatch();
            s1.Start();
            for (int iterationCounter = 0; iterationCounter < iterations; iterationCounter++)
            {
                bool result1 = string.Compare("aBcDeFgHiJkLmNoPqRsTuVwXyZ", "abcdefghijklmnopqrstuvwxyz", true) == 0;
            }
            s1.Stop();

            

            Stopwatch s2 = new Stopwatch();
            s2.Start();
            for (int iterationCounter = 0; iterationCounter < iterations; iterationCounter++)
            {
                bool result2 = string.Compare("aBcDeFgHiJkLmNoPqRsTuVwXyZ", "aBcDeFgHiJkLmNoPqRsTuVwXyZ", true) == 0;
            }
            s2.Stop();

            method1Total += s1.ElapsedMilliseconds;
            method2Total += s2.ElapsedMilliseconds;

            Console.WriteLine("Experiment {0} Method 1: {1} Method 2: {2}", experiementCounter+1, s1.ElapsedMilliseconds,s2.ElapsedMilliseconds);
        }
        Console.WriteLine();
        Console.WriteLine("Averages: Method 1: {0} Method 2: {1}", method1Total / repeats, method2Total / repeats);
        Console.ReadLine();
    }
}