Product
Vivo Y71i
Vivo Y71i
Vivo Y90
Vivo Y90
Battery
Type Li-Ion 3360 mAh, non-removable 4030 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), aluminum back, aluminum frame Glass front, plastic back, plastic frame
Dimensions 155.9 x 75.7 x 7.8 mm (6.14 x 2.98 x 0.31 in) 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 150 g (5.29 oz) 163.5 g (5.78 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
NFC No No
Positioning GPS, GLONASS GPS, GLONASS, GALILEO
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
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 -
Resolution 720 x 1440 pixels, 18:9 ratio (~268 ppi density) 720 x 1520 pixels, 19:9 ratio (~270 ppi density)
Size 6.0 inches, 92.9 cm2 (~78.7% screen-to-body ratio) 6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, proximity, compass Accelerometer, proximity, compass
Launch
Announced 2018, October. Released 2018, October 2019, July. Released 2019, July
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash, panorama
Single 8 MP, f/2.2, AF 8 MP, f/2.0, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 16GB 2GB RAM 16GB 2GB RAM, 32GB 2GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Black, Gold Black, Gold
Models 1801 1908, 1823
SAR - 1.28 W/kg (head)     0.61 W/kg (body)    
Network
2G bands GSM 900 / 1800 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 3, 5, 8, 38, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Qualcomm MSM8917 Snapdragon 425 (28 nm) Mediatek MT6761 Helio A22 (12 nm)
CPU Quad-core 1.4 GHz Cortex-A53 Quad-core 2.0 GHz Cortex-A53
GPU Adreno 308 PowerVR GE8320
OS Android 8.1 (Oreo), Funtouch 4 Android 8.1 (Oreo), Funtouch 4.5
Selfie camera
Single 5 MP, f/2.0 5 MP, f/1.8
Video 720p
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes