In panini sandwich maker, you can make burgers patties, and kababs were as four triangle sandwich maker is only for making sandwiches.
Panini Press Sandwich Maker – Panini Press is a kind of sandwich maker where you get two press on the top and bottom, which is generally used for grilling. You can make n number of recipes in this like pizza, burger or wraps. This is one of the ideal choices for cooking crispy and amazing sandwiches.
Four Triangle Sandwich Maker – A traditional sandwich maker which is mostly used in Indian households. It is cheaper as compared to Panini Press. You can make 4 sandwiches in one go.
Keep in mind the features you want for your home and decide your purchase according to your needs.