Product
Vivo Y71i
Vivo Y71i
Xiaomi Redmi Y1 Lite
Xiaomi Redmi Y1 Lite
Battery
Music play - Up to 92 h
Stand-by - Up to 264 h (3G)
Talk time - Up to 35 h (3G)
Type Li-Ion 3360 mAh, non-removable Li-Ion 3080 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), aluminum back, aluminum frame Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Dimensions 155.9 x 75.7 x 7.8 mm (6.14 x 2.98 x 0.31 in) 153 x 76.2 x 7.6 mm (6.02 x 3.00 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 150 g (5.29 oz) 150 g (5.29 oz)
Comms
Bluetooth 4.2, A2DP, LE 4.2, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS GPS, GLONASS, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Resolution 720 x 1440 pixels, 18:9 ratio (~268 ppi density) 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Size 6.0 inches, 92.9 cm2 (~78.7% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~71.5% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2018, October. Released 2018, October 2017, November. Released 2017, November
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash, HDR, panorama
Single 8 MP, f/2.2, AF 13 MP, f/2.2, PDAF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 16GB 2GB RAM 16GB 2GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Black, Gold Gold, Dark Grey, Silver, Rose Gold
Models 1801 MDI6
SAR - 1.53 W/kg (head)     1.32 W/kg (body)    
Network
2G bands GSM 900 / 1800 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 3, 4, 5, 7, 8, 20, 38, 40
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Qualcomm MSM8917 Snapdragon 425 (28 nm) Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Quad-core 1.4 GHz Cortex-A53 Quad-core Cortex-A53
GPU Adreno 308 Adreno 308
OS Android 8.1 (Oreo), Funtouch 4 Android 7.0 (Nougat), MIUI 11
Selfie camera
Single 5 MP, f/2.0 5 MP, f/2.0
Video
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes