Leistungsfähigkeit in English:

The Director's appraisal of our efficiency was positive overall.

Office managers expect accuracy, efficiency, and dedication.

Charles Moore created Forth in an attempt to increase programmer productivity without sacrificing machine efficiency.

That makes for efficiency.

efficiency = performance results

Everyone strives for efficiency but few seem to attain it.

Efficiency is the dominant idea in business.

Our firm is a giant one, and there are some rules and regulations, which should be revised or rescinded to reduce red tape and increase efficiency.

Don't confuse "efficacy" with "efficiency".

The efficiency of Kemil's team is not the best.

she was at the sports center where the athlete checked her efficiency.

I don't mention the high energy efficiency of these LED light bulbs.

Or busied herself in her garden, cutting things down with frightening efficiency.

It seems that the efficiency of controls could be improved in certain areas.

Efficiency is defined as the ability to produce something with a minimum amount of effort. An example of efficiency is a reduction in the number of workers needed to make a car.