head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
Dracula stalks a modern city in a combo-driven action sequel mixing whip combat with stealth detours.

Execution · Practiced Mastery
Ninja Theory's stylish-action reboot with angel-demon stance switching through a shifting Limbo.
Castlevania: Lords of Shadow 2 leans Execution (Practiced Mastery); DmC: Devil May Cry leans Execution (Practiced Mastery).
DmC: Devil May Cry leans a little harder on execution, though the gap is small.
Castlevania: Lords of Shadow 2
Whip combos and dodge timing carry combat encounters
DmC: Devil May Cry
Angel/demon stance weaving is demanding but softer than mainline
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania: Lords of Shadow 2
Bosses cycle scripted phases; stealth foes patrol fixed routes
DmC: Devil May Cry
Color-coded enemies dictate fixed answers
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania: Lords of Shadow 2
Modern-city detours are authored, not random
DmC: Devil May Cry
Limbo levels are authored spectacle, not random
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Castlevania: Lords of Shadow 2
Void/Chaos resource juggling and mastery grind are mappable
DmC: Devil May Cry
Color-coding turns encounters into solvable matching puzzles
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.