What are the prices for each hotel?
If they were the same price I'd pick Hilton for the lounge, unless you're willing to pay club rate at the IC. I also preferred the rooms at the Hilton, but this was before covid
Very similar for a club room at the IC as to the base room at the Hilton.
I did notice that the Hilton has silly prices for November, so wonder what is going on.
So more on a) the lounge I guess and b) the rooms / facilities