Curious about Lambdas vs Method Groups...

Program.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Curious
{
    class Program
    {
        private static readonly long Iterations = 100000000;
        static void Main(string[] args)
        {
            // Warm up the methods
            Dump("warmup");
            Call(_ => { });

            Console.WriteLine("Press Enter to start");
            Console.ReadLine();

            Console.WriteLine("Running Method Group Test");
            Stopwatch outer = new Stopwatch();
            outer.Start();
            for (int i = 0; i < Iterations; i++)
            {
                Call(Dump);
            }
            outer.Stop();
            double elapsedNs = ((double)outer.ElapsedTicks/(double)Stopwatch.Frequency)*1000*1000;
            Console.WriteLine("Finished Method Group Test");
            Console.WriteLine("Elapsed: " + elapsedNs.ToString("E4") + "ns");
            Console.WriteLine("Average: " + ((double)elapsedNs / (double)Iterations).ToString("E4") + "ns");
            Console.WriteLine("High-Precision? " + (Stopwatch.IsHighResolution ? "Yes" : "No"));

            Console.WriteLine("Press Enter to Continue");
            Console.ReadLine();
            
            Console.WriteLine("Running Lambda Test");
            outer.Reset();
            outer.Start();
            for (int i = 0; i < Iterations; i++)
            {
                Call(s => Dump(s));
            }
            outer.Stop();
            elapsedNs = ((double)outer.ElapsedTicks / (double)Stopwatch.Frequency) * 1000 * 1000;
            Console.WriteLine("Finished Lambda Test");
            Console.WriteLine("Elapsed: " + elapsedNs.ToString("E4") + "ns");
            Console.WriteLine("Average: " + ((double)elapsedNs / (double)Iterations).ToString("E4") + "ns");
            Console.WriteLine("High-Precision? " + (Stopwatch.IsHighResolution ? "Yes" : "No"));

            Console.WriteLine("Press Enter to End");
            Console.ReadLine();
        }

        private static void Call(Action<string> act)
        {
            act("Hi!");
        }

        private static void Dump(string str)
        {
            
        }

        private void MethodGroup()
        {
            Call(Dump);
        }

        private void Lambda()
        {
            Call(s => Dump(s));
        }
    }
}