Serialization vs Reflection

using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.Serialization.Formatters.Binary;

namespace SerializeVsReflect
{
    [Serializable]
    public class Person
    {
        public int Id;
        public string FirstName;
        public string LastName;
        public int Age;
        public decimal Weight;
    }

    class Program
    {
        static void Main(string[] args)
        {
            var person = new Person();
            person.Id = 10;
            person.Age = 31;
            person.FirstName = "James";
            person.LastName = "Stuart";
            person.Weight = 79;

            int iterations = 200000;
            var serializationMs = Serialization(person, iterations);
            var reflectionMs = Reflection(person, iterations);

            string resultMessageFormat = "{0}, {1} iterations: {2} ms";
            Console.WriteLine(resultMessageFormat, "BinaryFormatter", iterations, serializationMs);
            Console.WriteLine(resultMessageFormat, "Reflection", iterations, reflectionMs);
            Console.WriteLine("Done");
            Console.ReadLine();
        }

        private static long Serialization(Person person, int iterations)
        {
            var stopwatch = new Stopwatch();
            using (var stream = new MemoryStream())
            {
                var formatter = new BinaryFormatter();
                stopwatch.Start();
                for (int i = 0; i < iterations; i++)
                {
                    formatter.Serialize(stream, person);
                    stream.Seek(0, SeekOrigin.Begin);
                    var deserialized = (Person)formatter.Deserialize(stream);
                }

                stopwatch.Stop();
                return stopwatch.ElapsedMilliseconds;
            }
        }

        private static long Reflection(Person person, int iterations)
        {
            var stopwatch = new Stopwatch();
            stopwatch.Start();
            for (int i = 0; i < iterations; i++)
            {
                var newPerson = Activator.CreateInstance<Person>();
                var fields = newPerson.GetType().GetFields(BindingFlags.Public | BindingFlags.Instance);
                foreach (var field in fields)
                {
                    var value = field.GetValue(person);
                    field.SetValue(newPerson, value);
                }
            }

            stopwatch.Stop();

            return stopwatch.ElapsedMilliseconds;
        }
    }
}