Product
Vivo Y91i
Vivo Y91i
Motorola Moto E5 Play
Motorola Moto E5 Play
Battery
Charging - 10W wired
Type 4030 mAh, non-removable Li-Ion 2800 mAh, removable
Body
Dimensions 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) 151 x 74 x 9 mm (5.94 x 2.91 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 163.5 g (5.78 oz) 150 g (5.29 oz)
  - Splash resistant
Comms
Bluetooth 4.2, A2DP, LE 4.2, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Display
Resolution 720 x 1520 pixels, 19:9 ratio (~271 ppi density) 720 x 1280 pixels, 16:9 ratio (~282 ppi density)
Size 6.2 inches, 95.9 cm2 (~82.4% screen-to-body ratio) 5.2 inches, 74.5 cm2 (~66.7% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2018, November. Released 2018, November 2018, April. Released 2018, July
Status Discontinued Discontinued
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth) -
Features LED flash, panorama LED flash, panorama, HDR
Single - 8 MP, f/2.0, 1.12 µm, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 16GB 2GB RAM 16GB 2GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Starry Black, Ocean Blue, Red Black, Dark lake, Flash gray
SAR - 1.42 W/kg (head)     1.45 W/kg (body)    
SAR EU - 0.57 W/kg (head)     1.59 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 25, 26, 29, 30, 38, 41, 66, 71
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - CDMA2000 1xEV-DO
Platform
Chipset Qualcomm SDM439 Snapdragon 439 (12 nm) Qualcomm MSM8917 Snapdragon 425 (28 nm)Qualcomm MSM8920 Snapdragon 427 (28 nm)
CPU Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) Quad-core 1.4 GHz Cortex-A53
GPU Adreno 505 Adreno 308
OS Android 8.1 (Oreo), Funtouch 4.5 Android 8.0 (Oreo)
Selfie camera
Features - LED flash
Single 8 MP, f/2.0 5 MP
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes