Look at the spec of the product he listed there also know lah. 2gb+16gb where got Redmi Note 3 Prime one. Also the price also won't be that cheap.

Redmi Note 2: Mediatek X10 2.0Ghz, 2GB+16GB and 3GB+32GB variant.
Redmi Note 2 Prime: Mediatek X10 2.2Ghz, only 2GB+32GB variant.

Redmi Note 3: Mediatek X10 2.0Ghz, 2GB+16GB and 3GB+32GB variant.
Redmi Note 3 Prime: Qualcomm Snapdragon 650 1.8Ghz, only 3GB+32GB variant.