head to head
There Came an Echo asks more than The Elder Scrolls V: Skyrim, and the gap is reads.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.

Optimization · Pure Optimization
A voice-controlled tactics game testing command planning and unit positioning.
The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization); There Came an Echo leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans a little harder on execution, though the gap is small.
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
There Came an Echo
Voice commands need no physical dexterity
There Came an Echo leans clearly harder on reads.
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
There Came an Echo
Enemy AI scripted, allows limited prediction only
There Came an Echo leans a little harder on variance, though the gap is small.
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
There Came an Echo
Voice recognition and combat add some unpredictability
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Elder Scrolls V: Skyrim
Skill stacking, enchant loops, and exploits are deeply solvable.
There Came an Echo
Issuing positioning and timing commands wins encounters
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.