Except it easily outperforms the 2.7, and generally returns better real world average fuel economy than the 3.5.
While it doesn’t tow as well as the 3.5 stock for stock, it has by FAR the most performance potential for those that may want to modify it after warranty as well.
Basically, if you’re trading after warranty or just want to drive the truck as Ford delivered it then 3.5 EB makes a lot of sense. If you’re a “gear head” that keeps the vehicles long term and intends to modify the 5.0 makes the most sense.
I find the 2.7 EB uninteresting in the F-Series.