6.4 vs. 6.7 Power Stroke: How do the diesel engines compare?

Power Stroke Diesel engines provided thrust for Ford Super Duty rigs for decades, but there are some key differences between each of the Power Stroke engines.
SlashGear

6.7 Power Stroke Vs. High Output: What's The Difference Between Ford's Diesel Engines?

At SlashGear, we've compared 6.7-liter diesel engines from Cummins and Ford in the past. The high-output six-cylinder Cummins, found in heavy-duty Ram trucks, posted power ratings comparable to the ...
Cars

First Look: Ford's All-New 6.7-Liter V-8 Power Stroke Diesel Engine

Ford is rewriting the rules of the company and industry with the introduction of its all-new advanced 6.7-liter Power Stroke V-8 diesel engine for the pickups. “The 6.7-liter diesel puts the motor ...