Interesting thing about "for" cicle in C#. (Perhaps you dont know)

We have class Shape, that has only two properties (int CoordC, int CoordY).
And we have List<Shape>.

Next step
Two test functions like:

public void TestFunc1()
{
   int count = shapes.Count;
  string result = "";
      for (int i = 0; i < count; i++)
      {
        result += "Shape " + i + shapes[i].CoordX.ToString() + "\r\n";
      }
}

public void TestFunc2()
{

      string result = "";
      for (int i = 0; i < shapes.Count; i++)
      {
        result += "Shape " + i + shapes[i].CoordX.ToString() + "\r\n";
      }

}


Lets play the game? Why TestFunc2 will be faster? Count, of List items, doesnt matter.