Product
Vivo Y91 (Mediatek)
Vivo Y91 (Mediatek)
Vivo Y3 (4GB+64GB)
Vivo Y3 (4GB+64GB)
Battery
Charging - 18W wired
Type 4030 mAh, non-removable 5000 mAh, non-removable
Body
Dimensions 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) 159.4 x 76.7 x 8.9 mm (6.28 x 3.02 x 0.35 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 163.5 g (5.78 oz) 190 g (6.70 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 720 x 1520 pixels, 19:9 ratio (~270 ppi density) 720 x 1544 pixels, 19.3:9 ratio (~268 ppi density)
Size 6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio) 6.35 inches, 99.6 cm2 (~81.5% 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 2019, January. Released 2019, January 2019, October. Released 2019, October
Status Discontinued Discontinued
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth) -
Features LED flash, panorama LED flash, HDR, panorama
Triple - 13 MP, f/2.2, (wide), PDAF 8 MP, f/2.2, 13mm (ultrawide) 2 MP, f/2.4, (depth)
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 64GB 3GB RAM 64GB 4GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Starry Black, Ocean Blue Ink blue, Jade Red
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 38, 40, 41 1, 3, 5, 8, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - CDMA2000 1xEV-DO
Platform
Chipset Mediatek MT6762 Helio P22 (12 nm) Mediatek MT6765 Helio P35 (12 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU PowerVR GE8320 PowerVR GE8320
OS Android 8.1 (Oreo), Funtouch 4.5 Android 9.0 (Pie), Funtouch 9.0
Selfie camera
Single 8 MP, f/1.8 8 MP, f/1.8
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes