Last year we started adding 3D models to the Pictures pages of the most popular phones. The models allow you to view the phone from all angles and zoom in for a better look. But they didn’t offer any size reference. They do now – there’s a button that will add a virtual credit card next to the phone to give you a size reference (note: the virtual credit card depends on the size of your screen). With this you can get a sense of how large the Samsung Galaxy Z Fold2 is once opened or how tiny the Apple iPhone 12 mini is. We even have the new Galaxy S21 family so you can get a feel of how big...
Source: https://www.gsmarena.com/gsmarena_labs_our_3d_models_now_let_you_do_size_comparisons_against_a_credit_card-news-47386.php