head to head
Neither is simply harder - they are hard in different places. Delta Force: Black Hawk Down demands more reads; Tom Clancy's Splinter Cell: Conviction demands more optimization.

Execution · Pure Mechanics
High-volume shooting accuracy through chaotic scripted raids.

Execution · Practiced Mastery
An action-leaning stealth entry where aggressive optimal clears replace pure ghosting.
Delta Force: Black Hawk Down leans Execution (Pure Mechanics); Tom Clancy's Splinter Cell: Conviction leans Execution (Practiced Mastery).
Delta Force: Black Hawk Down leans a little harder on execution, though the gap is small.
Delta Force: Black Hawk Down
Fast aim against dense hostile crowds is the core test
Tom Clancy's Splinter Cell: Conviction
Mark-and-execute flow rewards quick, accurate play
Delta Force: Black Hawk Down leans clearly harder on reads.
Delta Force: Black Hawk Down
Large multiplayer servers add human positioning play
Tom Clancy's Splinter Cell: Conviction
Enemies search via scripted last-known-position logic
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Delta Force: Black Hawk Down
Spawning enemy placements vary slightly between attempts
Tom Clancy's Splinter Cell: Conviction
Mild uncertainty in enemy search behavior
Tom Clancy's Splinter Cell: Conviction leans clearly harder on optimization.
Delta Force: Black Hawk Down
Loadout choice and mission routes are learnable
Tom Clancy's Splinter Cell: Conviction
Encounter rooms have clear optimal clear orders
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.