You probably know more about the subject of your report than you do about the subject of your essay. I you research your topic neither should be more difficult than the other.
Why do i find writing reports easier than writing essays?
The key difference is that reports concentrate on the analysis of findings and descriptive presentation of the results. Essays are about answering a question or discussing a problem. Take a short essay sample at writemyessaytoday and analyze it's structure. It follows the thoughts and the arguments and only reports have tables of contents and are divided into sections.