| Hardware and OS | Vivo Y91i India | |
| Operating system | Funtouch 4.5 OS (Android 8.1 Oreo) | |
| Processor | Octa-Core 2.0GHz Cortex-A53 | |
| GPU | PowerVR GE8320 | |
| RAM | 2GB | |
| Internal Storage | 16GB/32GB | |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | Vivo Y91i India | other phones |
| Type | IPS, LCD capacitive touchscreen | |
| Size | 6.22 inches | |
| Resolution | 1520 x 720 Pixels, 24 bit color depth | |
| Colors | 16M | |
| Pixel Density | 270 ppi | |
| Touchscreen | Yes | |
| Protection | 2.5D curved glass screen | |
| Features | IPS. LCD HD display, ~ 270 PPI, Capacitive, Multi-touch, 19:9 aspect ratio, 2.5D curved glass screen | |
| Connectivity | Vivo Y91i India | other phones |
| 4G Network | Yes | |
| Wi-Fi | b, g, n, Wi-Fi Hotspot, Wi-Fi Display | |
| GPS | GPS, A-GPS, GLONASS, BeiDou | |
| NFC | No | |
| USB | 2.0, Micro USB | |
| Speed | LTE: 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500) Mhz | |
| SIM | Nano SIM | |
| Dual SIM | Nano-SIM, Nano-SIM / microSD | |
| Wireless Charging | No | |
| Camera | Vivo Y91i India | other phones |
| Main camera | 13 Megapixels f/2.2 | |
| Features | LED | |
| Image | 4163 x 3122 | |
| Selfie camera | 8 Megapixels with f/1.8 Aperture, Face Recognition | |
| Multimedia | Vivo Y91i India | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | Vivo Y91i India | other phones |
| Dimensions | 155.1 mm x 75.1 mm x 8.3 mm | |
| Waterproof | No | |
| Weight | 163.5 g | |
| Battery | Vivo Y91i India | other phones |
| Capacity | 4030 mAh, Li-Ion | |
| Other | Vivo Y91i India | other phones |
| Sensors | Proximity, Light, Accelerometer, Compass, Gyroscope, Fingerprint, Infrared face recognition sensor | |
