780 x 3920
780 x 3920 = 3057600
Example of 780 x 3920 pixels banner dimensions.
730 x 3970 740 x 3960 750 x 3950 760 x 3940 770 x 3930
780 x 3870 780 x 3880 780 x 3890 780 x 3900 780 x 3910
780 x 3970 780 x 3960 780 x 3950 780 x 3940 780 x 3930