| Tampak Depan | Vivo Y91 | Tampak Belakang |
 |
Dirilis 2018, November 163.5g, ketebalan 8.3mm Android 8.1, Funtouch 4.5 Penyimpanan 16GB / 32GB, microSDXC 4030 mAh baterai |
 |
| Review |
| Koneksi | Teknologi | GSM / HSPA / LTE |
| Jaringan 2G | GSM 850/900/1800/1900 - SIM 1 & SIM 2 | |
| Jaringan 3G | HSDPA 850/900/2100 | |
| Jaringan 4G | 1, 3, 5, 40, 41 | |
| Kecepatan Internet | HSPA 42.2 / 5.76 Mbps, LTE Cat5 150/75 Mbps | |
| Dirilis | Diumumkan | 2018, November |
| Status | Tersedia. Dirilis 2018, November | |
| Bodi | Dimensi | 155,1 x 75,1 x 8,3 mm (6,11 x 2,96 x 0,33 inci) |
| Berat | 163,5 g (5,78 oz) | |
| Bahan Pembuatan | Kaca depan, belakang plastik, bingkai plastik | |
| SIM | SIM Ganda (Nano-SIM, dual stand-by) | |
| Layar | Jenis Layar | LCD IPS |
| Ukuran Layar | 6,22 inci, 96,6 cm 2 (~ 82,9% rasio layar-ke-tubuh) | |
| Resolusi Layar | 720 x 1520 piksel, rasio 19: 9 (~ kepadatan 270 ppi) | |
| Software | OS | Android 8.1 (Oreo), Funtouch 4.5 |
| Chipset | Qualcomm SDM439 Snapdragon 439 (12 nm) | |
| CPU | Okta-inti (4x1,95 GHz Cortex-A53 & 4x1,45 GHz Cortex A53) | |
| GPU | Adreno 505 | |
| Memori | Internal | RAM 16GB 2GB, RAM 32GB 2GB, RAM 32GB 3GB |
| eMMC 5.1 | ||
| Slot Kartu | microSDXC (slot khusus) | |
| Kamera Belakang | Ukuran | 13 MP, f / 2.2, PDAF |
| 2 MP, f / 2.4, (kedalaman) | ||
| Fitur | Flash LED, panorama | |
| Video | 1080p @ 30fps | |
| Kamera Depan | Ukuran | 8 MP, f / 1.8 |
| Video | 1080p @ 30fps | |
| Fitur Lainnya | WLAN | Wi-Fi 802.11 b / g / n, Wi-Fi Direct, hotspot |
| Bluetooth | 4.2, A2DP, LE | |
| GPS | Ya, dengan A-GPS, GLONASS, BDS | |
| Radio | Radio FM | |
| USB | microUSB 2.0, USB On-The-Go | |
| Sensor | Sidik jari (dipasang di belakang), akselerometer, jarak, kompas | |
| Baterai | Ukuran Baterai | Li-Po 4030 mAh, tidak dapat dilepas |
| Harga | Toko Online | Rp. 1.599.000 |
| Toko Offline | Rp. 1.899.000 |