If vs Ternary: Deathmatch

using System;
using System.Diagnostics;
 
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
 
            string[] strArray = new string[20000];
            Random r = new Random((int)DateTime.Now.Ticks);
            for (int i = 0; i < 500; i++)
            {
                int rnum = r.Next();
                if (rnum % 2 == 0)
                {
                    strArray[i] = null;
                }
                else
                {
                    strArray[i] = rnum.ToString();
                }
            }
 
            TimeSpan ts1 = TimeSpan.Zero;
            TimeSpan ts2 = TimeSpan.Zero;
 
            for (int i = 0; i < strArray.Length; i++)
            {
                ts2 = ts2.Add(countWithTernary(strArray));
                ts1 = ts1.Add(countWithIf(strArray));
            }
 
            for (int i = 0; i < strArray.Length; i++)
            {
                ts1 = ts1.Add(countWithIf(strArray));
                ts2 = ts2.Add(countWithTernary(strArray));
            }
 
            Console.WriteLine("     if: " + ts1.TotalMilliseconds.ToString());
            Console.WriteLine("ternary: " + ts2.TotalMilliseconds.ToString());
            Console.ReadLine();
        }
 
 
        private static TimeSpan countWithIf(string[] arr)
        {
            Stopwatch sw = new Stopwatch();
            int len = arr.Length;
            int count = 0;
            sw.Start();
            for (int i = 0; i < len; i++)
            {
                if (arr[i] == null)
                {
                    count += 1;
                }
                else
                {
                    count += 2;
                }
            }
            sw.Stop();
            return sw.Elapsed;
        }
 
        private static TimeSpan countWithTernary(string[] arr)
        {
            Stopwatch sw = new Stopwatch();
            int len = arr.Length;
            int count = 0;
            sw.Start();
            for (int i = 0; i < len; i++)
            {
                count += arr[i] == null ? 1 : 2;
            }
            sw.Stop();
            return sw.Elapsed;
        }
    }
}