Redmi 4(3GB RAM) @ USD 105 || Xiaomi Mi Note 2(6GB RAM) @ USD 375 || Releasing on 25th August

Xiaomi Redmi 4 Specifications:

5″ 1920 X 1080 IPS LCD Display
Qualcomm Snapdragon 625 Octa core Processor (Cortex A53)
3GB RAM, 32GB Storage
4100mAh Battery with Quick Charge
Metal CnC Body
699 Yuan ($105USD)

Xiaomi Mi Note 2 Specifications:

5.7″ 1920 X 1080 IPS LCD Display
Qualcomm Snapdragon 821 Octa core Processor (Cortex A53)
4/6GB RAM, 64/128GB Storage
Front facing fingerprint Sensor
3600mAh Battery with Quick Charge
Metal CnC Body
2499 Yuan ($375USD) to 2699 Yuan ($405)

Source:

http://www.xiaomitoday.com/xiaomi-redmi-4-specs...
http://www.gsmarena.com/xiaomi_redmi_4_and_mi_n...