What’s better XCOM or XCOM 2?

What’s better XCOM or XCOM 2? XCOM 2 has more streamlined R&D which yields convenient and cool results, while XCOM: EU/EW is grittier and arguably more interesting, but it can be costly to actually start benefitting from the upgrades you’ve spent a lot of time and resources researching.

XCOM 2 has more streamlined R&D which yields convenient and cool results, while XCOM: EU/EW is grittier and arguably more interesting, but it can be costly to actually start benefitting from the upgrades you’ve spent a lot of time and resources researching.