that much/so much

English as a Second Language English Vocabulary, Grammar and Idioms
1

[color=red]1-If you do that, your computer will work that much better.
[color=indigo]2-If you do that, your computer will work so much better.

What is the difference between the meanings of the above sentences?

Gratefully,
Navi.

2

“so much better” is stronger than “that much better”.