gistfile1.txt

    class Program
    {
        private static bool greaterThan50Func(int x)
        {
            return x > 50;
        }

        static void Main(string[] args)
        {
            var testList = new List<int>();

            for (int i = 0; i < 100000000; i++)
            {
                testList.Add(i);
            }

            for (int i = 0; i < 10; i++)
            {
                var d = new Stopwatch();
                d.Start();

                testList.Count(x => x > 50);

                d.Stop();
                Console.WriteLine("Lambda (+LINQ Expression): " + d.ElapsedMilliseconds);
            }

            for (int i = 0; i < 10; i++)
            {
                var d = new Stopwatch();
                d.Start();

                var count = 0;
                for (int y = 0; y < testList.Count; y++)
                {
                    if (testList[y] > 50)
                        count++;
                }

                d.Stop();
                Console.WriteLine("Plain: " + d.ElapsedMilliseconds);
            }

            Func<int, bool> greaterThan50Lambda = x => x > 50; 
            for (int i = 0; i < 10; i++)
            {
                var d = new Stopwatch();
                d.Start();

                var count = 0;
                for (int y = 0; y < testList.Count; y++)
                {
                    if (greaterThan50Lambda(testList[y]))
                        count++;
                }

                d.Stop();
                Console.WriteLine("Only lambda (No LINQ): " + d.ElapsedMilliseconds);
            }

            for (int i = 0; i < 10; i++)
            {
                var d = new Stopwatch();
                d.Start();

                var count = 0;
                for (int y = 0; y < testList.Count; y++)
                {
                    if (greaterThan50Func(testList[y]))
                        count++;
                }

                d.Stop();
                Console.WriteLine("Static Func: " + d.ElapsedMilliseconds);
            }
            Console.ReadKey();
        }
    }