The bigger the screen size is, the better the user experience.
Samsung Galaxy J Max: 7"
Nokia 808 Pureview: 41MP
Razer Phone: 8GB
720 x 1280px
Sony Xperia XZ Premium: 2160 x 3840px
8. front camera megapixels
Vivo V7: 24MP
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.
ZTE Grand Era V985
83% have it
Starmobile Uno B208: 68g
11. 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.