The bigger the screen size is, the better the user experience.
Samsung Galaxy J Max: 7"
Nokia 808 Pureview: 41MP
Asus Zenfone AR: 8GB
480 x 800px
Sony Xperia XZ Premium: 2560 x 3840px
8. front camera megapixels
Vivo V5 Plus: 20MP
9. has an external memory slot
The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
Samsung Galaxy Ace Style
81% have it
10. every pixel has three subpixels
The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.