What is the difference between JIAYU S3+ and JIAYU S3 smartphone?

Recently, JIAYU company released a professional version of JIAYU S3 - JIAYU S3+ smartphone. As a replacement of JIAYU S3, what is the improvement of JIAYU S3+ smartphone?

JIAYU S3+ Smartphone Highlights:
1). 5.5-inch FHD Gorilla Glass display;
2). 64bit MTK6753 octa-core processor;
3). Dual 4G LTE chipset;
4). 3GB RAM+16GB ROM;
5). 13MP Sony IMX214 back camera;
6). NFC, OTG, Android 5.1 OS;
7). 3000mAh battery;

The difference of these phones that I know:
JIAYU S3+ smartphone is powered by MTK6753 processor while JIAYU S3 is with MTK6752 processor. Can you find the other difference of them?