I spent hours last night looking at pictures of the resolute desk. I didn't find that many where you could see the wood grain very well, from the top looking down at the right side edge of the desk. The ones I did find look very similar to the Biden desk. I believe if the angles, lighting and photo colorization were the same in those two photos you would see that they are either the same desk, or an extremely good replica. Without more photos to examine I say they are the same.