The bigger the screen size is, the better the user experience.
Wacom Cintiq 22HD: 21.5"
5. 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 Tab S2 8.0" (2016) LTE
71% have it
6. battery power
Apple iPad 4 128GB WiFi + Cellular: 11560mAh
Lenovo Yoga Tab 3 Pro: 4.6mm
Acer Iconia W510-1674: 0.51g
9. front camera megapixels
Google Pixel Slate (8th Gen Intel Core i5 / 8GB RAM / 128GB SSD): 8MP
Toshiba Encore 2 10: 15MP
11. Supports widgets
You can add widgets to the home screen. This allows you to have more flexibility and to see information at a glance, without going into the app.