The Redmi 2 Prime is similar to the original Redmi 2. The difference is that the Prime has double the RAM and internal storage.
Xiaomi Redmi 2 Prime specs:
4.7-inch HD Full Laminated IPS display, 312ppi
1.2Ghz Qualcomm Snapdragon 410 64-bit quad-core CPU
2GB RAM
16GB internal storage
up to 32GB via microSD
8MP BSI rear camera w/ LED flash
2MP front camera
Dual-SIM, Dual-Standby
4G LTE, 3G
WiFi
Bluetooth
GPS, A-GPS
USB OTG
2, 200mAh battery
Android 4.4 KitKat(MIUI 6)
Grey, White
The Xiaomi Redmi 2 Prime is available in India for Rs. 6, 999