RK3328 is new in 2017 and features USB 3.0 and Android 7.0 OS.
Check the chart find know more about S912 and RK3328.
We can see that RK3328 is more powerful and faster than S912 in data transferring.
S912’s Octa core ARM Cortex-A53 CPU is up to 2 GHz (DVFS) with two CPU clusters one optimized for high performance (big) and the other for low power (LITTLE). Its 3D Graphics Processing Unit –ARM Mali-T820MP3 GPU is up to an amazing 750MHz (DVFS) with 3 shader engines supporting OpenGL ES 1.1/2.03.1, DirectX 11 FL9_3, OpenCL 1.1/1.2 full profile and RenderScript.