At first, we have to say that Rockchip RK3399 is the BEST CPU in 2017 ABSOLUTELY.
But, RK3328 is a new CPU born in April 2017, which is more cost-effective than RK3399.
The structure of SoC Rockchip RK3399 is not only quad-core Cortex A53, but two Cortex A72, GPU Mali-T860MP4 and power video processing with support for the format H .265 with 4K resolution and frequency to 60 Hz.
Check the chart find know more about RK3399 and RK3328.
Click to check the HOT RK3328 tv boxes.