| Hardware and OS | Vivo X9i | |
| Operating system | FunTouch OS 3.0 (Android 6.0 Marshmallow) | |
| Processor | Octa-Core 2.02 GHz ARM Cortex-A53 | |
| GPU | Qualcomm Adreno 506 | |
| RAM | 4GB | |
| Internal Storage | 64GB | |
| Memory Card Slot | Not Available | |
| User Interface | Yes with Modified Android | |
| Display | Vivo X9i | other phones |
| Type | JDI IPS capacitive touchscreen | |
| Size | 5.5 inches | |
| Resolution | 1080x1920 Pixels, 24 bit color depth | |
| Colors | 16M Colors | |
| Pixel Density | ~ 401 PPI | |
| Touchscreen | Yes Multi Touch Support | |
| Protection | Yes | |
| Features | JDI FHD display, ~ 401 PPI , Capacitive , 2.5D Curved Glass Screen, Corning Gorilla Glass 5, Scratch resistant | |
| Connectivity | Vivo X9i | other phones |
| 4G Network | LTE : 850 / 1800 / 1900 / 2100 MHz, LTE : 1700 / 2100 MHz, LTE-TDD : 2500 MHz (Band 41), LTE-TDD : 2600 MHz (Band 38) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, 802.11 n 5GHz, Wi-Fi Direct, Wi-Fi HotSpot, Dual Band | |
| GPS | Yes, with GPS, A-GPS, BDS, GLONASS | |
| NFC | No | |
| USB | Micro USB v2.0, With OTG, Charging and Mass Storage Function | |
| Speed | LTE Cat 6 300 Mbps Download, 50 Mbps Upload, HSUPA 5.76 Mbps Upload, HSDPA 21 Mbps Download, EV-DO Rev.A (3.1 Mbps Upload, 1.8 Mbps Download) | |
| SIM | Nano SIM | |
| Dual SIM | Nano, Nano | |
| Camera | Vivo X9i | other phones |
| Main camera | 16 Megapixel With AF and LED Flash | |
| Features | Yes with Single-LED Flash | |
| Image | 4608 x 3456 Pixels | |
| Selfie camera | Dual Camera (20MP, 8MP) Front Camera | |
| Multimedia | Vivo X9i | other phones |
| Loudspeaker | Yes with Bottom Speaker | |
| Radio | Yes | |
| Video Playback | Up to 9 Hours | |
| Video Out | Yes With Wireless Media Link | |
| Ring Tones | MP3, WAV ringtones | |
| 3.5 mm Jack | No | |
| Design | Vivo X9i | other phones |
| Dimensions | 152.58 x 74 x 7.26 mm | |
| Weight | 154 Grams (With Battery) | |
| Battery | Vivo X9i | other phones |
| Capacity | 3,080 mAh | |
| Placement | Non-Removable | |
| Other | Vivo X9i | other phones |
| Sensors | Proximity Sensor, Accelerometer, Ambient Light, Compass, Fingerprint, Gyro | |
