90k Vs 90k Metallic

I can’t seem to find a thread on this. I was wondering if anyone has played with both or know that actual difference.

I was a 90k user and thought the 90k II was a disaster and not worth switching. So I stuck with my OG 90k until I went to TKFE. But considering going back to try the 90k Metalic.

Can’t really seem to find a direct comparison anywhere and I don’t have the ability to test rackets at will.