On this page we compare specs Vivo Y21i Octa core (1.8 GHz, Quad core, Kryo 240 1.8 GHz, Quad core, Kryo 240) 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 Y21i | vivo Y91 |
|---|
| Operating system | Android v11 | Android 8.1 (Oreo); Funtouch 4.5 |
| Processor | Octa core (1.8 GHz, Quad core, Kryo 240 1.8 GHz, Quad core, Kryo 240) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
| Custom UI | Funtouch OS | |
| Chipset | Qualcomm Snapdragon 460 | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| GPU | Adreno 610 | Adreno 505 |
| Internal memory | 64 GB | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
| Architecture | 64 bit | |
| External memory | Yes, Up to 1 TB | microSD, up to 256 GB |
| RAM | 4 GB | |
| Display | Vivo Y21i | vivo Y91 |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 6.53 inches (16.59 cm) | 6.22" inc |
| Resolution | | 720 x 1520 px |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 82.9% |
| Display area | | 96.6 cm2 |
| PPI /points per inch/ | 269 ppi | |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | | 270 PPI |
| Colors | | 16M |
| Connectivity | Vivo Y21i | vivo Y91 |
|---|
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 4G, 3G, 2G | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| USB Connectivity | Mass storage device, USB charging | |
| Network | | GSM / HSPA / LTE |
| SIM card | SIM1: Nano, SIM2: Nano | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Yes, v5.0 | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes with A-GPS | 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 Y21i | vivo Y91 |
|---|
| Camera Setup | Triple | |
| Autofocus | Yes | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Image Resolution | 4616 x 3464 Pixels | |
| Main camera | 16 MP, Primary Camera, 2 MP, Macro Camera, 2 MP, Depth Camera, | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, PDAF
-2 MP, f/2.4, depth sensor |
| Features | | LED flash, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 16 MP, Primary Camera, | 8 MP, Single |
| Multimedia | Vivo Y21i | vivo Y91 |
|---|
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| 3.5 mm Jack | | Yes |
| Radio | | FM radio |
| Design | Vivo Y21i | vivo Y91 |
|---|
| Colors | | Starry Black, Ocean Blue, Red (Y91i only) |
| Dimensions | | 155.1 x 75.1 x 8.3 mm |
| Weight | | 163.5 g |
| Other features | Vivo Y21i | vivo Y91 |
|---|
| Fingerprint Sensor | Yes | |
| Fingerprint Sensor Position | Side | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Gyroscope | |
| Battery | Vivo Y21i | vivo Y91 |
|---|
| Capacity | 4500 mAh | |
| Type | Li-Polymer | |
| Removable | No | |
| Quick Charging | Yes, Fast | |
| USB Type-C | Yes | |
| Battery capacity | | 4030 mAh, Non-removable Li-Po |
| Other | Vivo Y21i | vivo Y91 |
|---|
| Release date | | 2018, November |
| Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |
