The truth is, there is no treatment better than other, since in both cases the survival rate after the thaw procedure is above 90% and the quality of both eggs and embryos is usually the same.
The decision between one option or the other depends on your personal decision and the advice of your doctor. If you are single at the moment of vitrification, you might wish to opt for egg vitrification only.
Suggested for you: What Is Egg Vitrification? – Advantages Over Freezing.