1024X576 Pixels So your digital file is 1024 ppi x 768 ppi

1080x1920 hd 16 9 1440x2560 hd 3 2 320x480 hd 3 2 640x960 hd 3 2 768x1152 hd 5 3 480x800 hd 5 3 768x1280 tab 1 1 1024x1024 tab 1 1 1280x1280 tab 1 1 2048x2048 tab 1 1 2560x2560