Vivo V9 Youth
 Smart Phone OS: Android 8.1 (Oreo);  Chipset: Qualcomm SDM450 Snapdragon 450;  CPU: Octa-core 1.8 GHz Cortex-A53;  GPU: Adreno 506;  Type: IPS LCD capacitive touchscreen, 16M colors;  Screen Size: 6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio);  ...
Xiaomi Redmi S2
 Smart Phone OS: Android 8.1 (Oreo);  Chipset: Qualcomm MSM8953 Snapdragon 625;  CPU: Octa-core 2.0 GHz Cortex-A53;  GPU: Adreno 506;  Type: IPS LCD capacitive touchscreen, 16M colors;  Screen Size: 5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio);...