| Hardware and OS | Vivo Y91c | |
| Operating System | Android v8.1 (Oreo) | |
| Processor | 2 GHz, Octa Core Processor | |
| Chipset | MediaTek Helio P22 | |
| Cores | 4x2.4 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53 | |
| RAM | 2 GB | |
| Internal Memory | 32 GB | |
| Memory Card Slot | Yes, upto 256 GB | |
| Graphics | IMG PowerVR GE8320 | |
| Dual Sim | Yes | |
| Sim Size | Nano Nano SIM | |
| Sim Type | Dual Sim, GSM GSM | |
| Display | Vivo Y91c | other phones |
| Screen Size | 6.22 inches, 720 x 1520 pixels | |
| Display Type | Color IPS LCD screen (16M) | |
| Pixel Density | ~270 PPI | |
| Screen-to-Body Ratio | ~ 82.9% | |
| Touch Screen | Yes, with Multitouch | |
| Display aspect ratio | 19:9 | |
| Connectivity | Vivo Y91c | other phones |
| 3G Network | Yes | |
| 4G Network | Yes | |
| Bluetooth | Yes, v5.0 | |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, BDS | |
| USB | Yes, microUSB v2.0 | |
| USB Features | USB on-the-go | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | |
| Camera | Vivo Y91c | other phones |
| Main camera | 13 MP f/2.2 (Main) with autofocus | |
| Video Recording | 1080p @ 30fps FHD | |
| Flash | Yes, LED | |
| Selfie camera | 5 MP f/1.8 (Main) with Screen Flash Flash | |
| Features | Panorama | |
| Multimedia | Vivo Y91c | other phones |
| Headphone jack | Yes | |
| Email | Yes | |
| FM Radio | Yes | |
| Music | WAV, MP3, AMR, MIDI, APE, FLAC, Vorbis | |
| Video | MP4, 3GP, AVI | |
| Browser | Yes, supports HTML5 | |
| Java | No | |
| Design | Vivo Y91c | other phones |
| Dimensions | 155.1 x 75.09 x 8.28 mm | |
| Weight | 163.5 g | |
| Battery | Vivo Y91c | other phones |
| Battery capacity | 4030 mAh, Li-ion Battery | |
| Type | Non-Removable Battery | |
