Aram1, all carry the same produce, and each one is different in the variety they carry. You may want to visit all of them and include Safari Hypermarket as well.
Say for example - Croissants and pastries, all have them, however, the ones (For me) are best at C4. Likewise for the vegies, all have common produce, but you will find each one has a variety from different places.
All the best, a personal visit would do you good.