天敏 D8 64bit RK3368, bought in Shenzhen RMB299, 1GB smooth display (games not tested), no lag (except home Wifi interruptions), support 2.5" external hdd even though power supply is 1.5A. Lot of apps to run different types of movies. Very clear display and fast response. High CP. One weakness, simplified Chinese in main menu. Android 5.1 can be English.