vivo Y91
Platform
| GPU | Adreno 505 |
| CPU | Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) |
| Chipset | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| OS | Android 8.1 (Oreo), Funtouch 4.5 |
Memory
eMMC 5.1 | |
| Internal | 16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM |
| Card slot | microSDXC (dedicated slot) |
Main Camera
| Video | 1080p@30fps |
| Features | LED flash, panorama |
| Dual | 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth) |
Selfie camera
| Video | 1080p@30fps |
| Single | 8 MP, f/1.8 |
Display
| Resolution | 720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
| Size | 6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio) |
| Type | IPS LCD |
Body
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Build | Glass front, plastic back, plastic frame |
| Weight | 163.5 g (5.78 oz) |
| Dimensions | 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) |
Battery
| Type | Li-Po 4030 mAh, non-removable |
Sound
| 3.5mm jack | Yes |
| Loudspeaker | Yes |
Features
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass |
Misc
| Price | |
| SAR | 1.28 W/kg (head) 0.61 W/kg (body) |
| Models | 1816, 1817, 1820, 1811, PD1818BF_EX |
| Colors | Starry Black, Ocean Blue |
Comms
| USB | microUSB 2.0, USB On-The-Go |
| Radio | FM radio |
| NFC | No |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| Bluetooth | 4.2, A2DP, LE |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
Launch
| Status | Available. Released 2018, November |
| Announced | 2018, November |
Network
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
| 4G bands | 1, 3, 5, 40, 41 |
| 3G bands | HSDPA 850 / 900 / 2100 |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Technology |