On this page we compare specs Vivo Y57 Octa core (2.5 GHz, Dual core, Cortex A78 2 GHz, Hexa Core, Cortex A55) with vivo Y91 Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | Vivo Y57 | vivo Y91 |
|---|
| Operating system | Android v12 | Android 8.1 (Oreo); Funtouch 4.5 |
| Processor | Octa core (2.5 GHz, Dual core, Cortex A78 2 GHz, Hexa Core, Cortex A55) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
| Chipset | MediaTek Dimensity 920 | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| GPU | Mali-G68 MC4 | Adreno 505 |
| Architecture | 64 bit | |
| Internal memory | 128 GB | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
| External memory | No | microSD, up to 256 GB |
| RAM | 6 GB | |
| Display | Vivo Y57 | vivo Y91 |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 6.58 inches (16.71 cm) | 6.22" inc |
| Resolution | | 720 x 1520 px |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 82.9% |
| PPI /points per inch/ | 400 ppi | |
| Display area | | 96.6 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | | 270 PPI |
| Colors | | 16M |
| Connectivity | Vivo Y57 | vivo Y91 |
|---|
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 5G, 4G, 3G, 2G | |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) |
| USB Connectivity | Mass storage device, USB charging | |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| VoLTE | Yes | |
| Network | | GSM / HSPA / LTE |
| SIM card | SIM1: Nano, SIM2: Nano | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Yes, v5.2 | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes with A-GPS, Glonass | Yes, with A-GPS, GLONASS, BDS |
| Speed | | HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
| USB | | microUSB 2.0, USB On-The-Go |
| Camera | Vivo Y57 | vivo Y91 |
|---|
| Camera Setup | Triple | |
| Autofocus | Yes | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Image Resolution | 8150 x 6150 Pixels | |
| Main camera | 50 MP, Primary Camera, 12 MP, 2 MP, | 13 MP, Dual |
| Video Recording | 1920x1080 @ 30 fps | |
| Specs | | 13 MP, f/2.2, PDAF
-2 MP, f/2.4, depth sensor |
| Features | | LED flash, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 8 MP, Primary Camera, | 8 MP, Single |
| Multimedia | Vivo Y57 | vivo Y91 |
|---|
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| 3.5 mm Jack | | Yes |
| Radio | | FM radio |
| Design | Vivo Y57 | vivo Y91 |
|---|
| Colors | | Starry Black, Ocean Blue, Red (Y91i only) |
| Dimensions | | 155.1 x 75.1 x 8.3 mm |
| Weight | | 163.5 g |
| Battery | Vivo Y57 | vivo Y91 |
|---|
| Capacity | 5000 mAh | |
| Type | Li-Polymer | |
| Removable | No | |
| Quick Charging | Yes, Fast | |
| USB Type-C | Yes | |
| Battery capacity | | 4030 mAh, Non-removable Li-Po |
| Other features | Vivo Y57 | vivo Y91 |
|---|
| Fingerprint Sensor | Yes | |
| Fingerprint Sensor Position | Side | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
| Other | Vivo Y57 | vivo Y91 |
|---|
| Release date | | 2018, November |
| Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |
