I tried my second SSD, Kingston A400 120GB. I did clean install with same EFI. Disabled hibernate, tried sleep, but the same problem with wake, it takes around 3 minutes.
Screen is black for 40 sec, than gets backlight, and shows desktop after 2 min 40 sec. Also when my display goes to sleep (not sleep/wake cycle) it takes 40 seconds to wake, so I am thinking that disk is not the problem. It might be some problem on the motherboard because my laptop takes 18 second to Dell logo when i press power button (the screen is black, keyboard has backlight). @chr0sy do you perhaps have similar problem. Everything else on windows or linux boots very fast.
Also for me it is not big problem to wait for 3 min to wake the screen, but bigger issue is that any app written with electron does not work after wake, it opens only blank screen. Also when I open FaceTime it freezes for few seconds and opens with message "No Camera Available", but before sleep/wake it worked. Does anybody have similar problem? Maybe it could have some connection with wake problem, and could lead to solution.