Q. Best 1080p/4K Bang for the Buck - Kodi only, HD Audio (bitstreaming) device ?
(All running LibreELEC Kodi Krypton, unless noted. Easiest to hardest to setup, Wireless remote purchase recommended)
Vero 4K (OSMC)
ODROID C2 / WeTek Hub & Play2
MINIX U1
Q. Fastest - Appliance like - pure - Kodi only boxes booting straight into LibreELEC Kodi or OSMC Kodi
(Highly recommended for those needing Kodi only - Vero 4K and C2 include TV / AVR - HDMI-CEC control)
Chromeboxes, the ASUS being the most popular.
ODROID C2 (using eMMC Flash storage, can be CPU/RAM overclocked)
Vero 4K running OSMC Kodi
DIY LibreELEC Kodi Krypton on a AMLogic S912, like the MINIX U9-H
Q. Fastest, most powerful Android TV - Kodi streaming box ?
NVIDIA Shield
Q. Fastest, most powerful regular Android tablet OS - Kodi streaming box ?
MINIX U9-H