<p>Compared to what I've heard are the hardest: CompE and EE</p>
<p>Harder than vanilla but not as hard as mint chocolate chip.</p>
<p>ChemE’s deal with fluids and wet stuff which is softer than the solid state that EEs deal with. However, some of the chemicals smell bad which may be harder to take than circuits, which only smell when you screw up.</p>