Screen:

Type IPS LCD capacitive touchscreen, 16M colors
size 5.99 inches, 92.6 cm 2 (~ 77.4% screen-to-body ratio)
1080 x 2160 pixel resolution, 18: 9 ratio (~ 403 ppi density)

Main Camera:
12 MP, f / 2.2, 1.25 µm, dual pixel PDAF
Features Dual LED Dual Tone Flash, HDR, Panorama
Video 2160p @ 30fps, 1080p @ 30 / 60fps

Selfie Camera:
5 MP
1080p video at 30 fps

Processor:
OS Android 7.1.2 (Nougat), 8.1 (Oreo), planned update to Android 9.0 (Pie); MIUI 10
Qualcomm MSM8953 Snapdragon 625 (14nm) Chipset
UPC Octa-core 2.0 GHz Cortex-A53
Adreno 506 GPU

Memory:
MicroSD card slot, up to 128GB (uses SIM 2 slot)
Internal 64 GB, 4 GB of RAM

Battery:
Non-removable Li-Po 4000 mAh battery
Charging fast battery charge 5V / 2A 10W