Version:

Android (A40)(1+16g)

Android (RK3288)(2+16g)

Android (RK3399)(2+16g)

Android (RK3568)(2+16g)

Android (RK3588)(4+16g)

Windows(N2840)(4+128G)

Windows(J1800)(4+128G)

Windows(J4125)(4+128G)

Windows(J1900)(4+128G)

Windows(i3-3217U)(4+128G)

Windows(i5-4200U)(4+128G)

Windows(i5-6200U)(4+128G)

Windows(i7-6500U)(4+128G)

Display (capacitive touch)

Display (non-touch)

Display (resistive touch)

Dimensions:

7 inches

8 inches

10.1 inches

10.4 inches (per cent)

10.4 inches (high score)

11.6 inches (per minute)

11.6 inches (high score)

12 inches

13.3 inches (per minute)

13.3 inches (high score)

15 inches

15.6 inches (per minute)

15.6 inches (high score)

17 inches

18.5 inches (per minute)

18.5 inches (high score)

19 inches

21.5 inches

23.6 inches