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 Xiaomi Redmi Note 9 Pro Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), 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 | Xiaomi Redmi Note 9 Pro |
|---|
| Operating system | Android v11 | Android 10.0; MIUI 11 |
| Processor | Octa core (1.8 GHz, Quad core, Kryo 240 1.8 GHz, Quad core, Kryo 240) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Custom UI | Funtouch OS | |
| Chipset | Qualcomm Snapdragon 460 | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Adreno 610 | Adreno 618 |
| Internal memory | 64 GB | 64GB 4GB RAM, 128GB 6GB RAM |
| Architecture | 64 bit | |
| External memory | Yes, Up to 1 TB | microSDXC (dedicated slot) |
| RAM | 4 GB | |
| Display | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 6.53 inches (16.59 cm) | 6.67" inc |
| Resolution | | 1080 x 2400 px |
| Protection | | Corning Gorilla Glass 5 |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 84.5% |
| PPI /points per inch/ | 269 ppi | |
| Display area | | 107.4 cm2 |
| Display aspect ratio | | 20:9 (height:width) |
| Pixel Density | | 395 PPI |
| Colors | | 16M |
| Other | | 450 nits typ. brightness (advertised) |
| Connectivity | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 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 / 1900 / 2100 |
| 4G Network | | LTE band 1(2100), 3(1800), 5(850), 8(900), 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 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | SIM1: Nano, SIM2: Nano | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Yes, v5.0 | 5.0, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | | 2.0, Type-C 1.0 reversible connector |
| Camera | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| 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, | 48 MP, Quad |
| Features | | LED flash, HDR, panorama |
| Video | | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Selfie camera | 16 MP, Primary Camera, | 16 MP, Single |
| Multimedia | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| 3.5 mm Jack | | Yes |
| Radio | | FM radio, recording |
| Other features | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| Fingerprint Sensor | Yes | |
| Fingerprint Sensor Position | Side | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Gyroscope | |
| Design | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| Colors | | Aurora Blue, Glacier White, Interstellar Black |
| Body build | | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | | 165.8 x 76.7 x 8.8 mm |
| Weight | | 209 g |
| Battery | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| Capacity | 4500 mAh | |
| Type | Li-Polymer | |
| Removable | No | |
| Quick Charging | Yes, Fast | |
| USB Type-C | Yes | |
| Battery capacity | | 5020 mAh, Non-removable Li-Po |
| Other | Vivo Y21i | Xiaomi Redmi Note 9 Pro |
|---|
| Release date | | 2020, March 12 |
| Sensors | | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
