I've never availed of the locker room on the One Eighty but I am happy to give it up for the privacy and comfort of the 777 suite. The door actually screens you from the great unwashed. That most emphatically doesn't work on the One Eighty where the door is a toddler barrier about a meter high. The cabin is also cramped, narrow, and apparently entirely unventilated whilst waiting on the ground for departure.
F is not even remotely similar on the two airplanes.