Tradeoff
Tradeoff , noun
1.
the exchange of one thing (object, right, opportunity) for another of approximately equal value, so as to seal a bargain, or effect a compromise.
2.
the giving up of one desired objective in order to attain another, when both cannot be achieved at the same time; as, the factory workers viewed the trade-off of air quality for jobs as a necessary evil.
Also: Trade-off