On this page we compare specs Vivo Y21 Quad core, 1.3 GHz, Cortex A7 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 Y21 | Xiaomi Redmi Note 9 Pro |
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Operating system | Android v5.1 (Lollipop) | Android 10.0; MIUI 11 |
Processor | Quad core, 1.3 GHz, Cortex A7 | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
Chipset | MediaTek MT6580 | Qualcomm SM7125 Snapdragon 720G (8 nm) |
GPU | | Adreno 618 |
Architecture | 32 bit | |
Internal memory | 16 GB | 64GB 4GB RAM, 128GB 6GB RAM |
RAM | 1 GB | |
External memory | | microSDXC (dedicated slot) |
Expandable Memory | yes Up to 128 GB | |
Graphics | Mali-400 MP | |
SIM Slot(s) | Dual SIM, GSM GSM | |
Display | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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Type | | IPS LCD |
Size | | 6.67" inc |
Resolution | | 1080 x 2400 px |
Protection | | Corning Gorilla Glass 5 |
Screen Size | 4.5 inches (11.43 cm) | |
Touchscreen | | capacitive touchscreen |
Screen Resolution | 480 x 854 pixels | |
Screen-to-Body Ratio | | 84.5% |
Display Type | IPS LCD | |
Display area | | 107.4 cm2 |
Display aspect ratio | | 20:9 (height:width) |
Screen Protection | No | |
Pixel Density | 218 ppi | 395 PPI |
Touch Screen | yes Capacitive Touchscreen, Multi-touch | |
Colors | | 16M |
Other | | 450 nits typ. brightness (advertised) |
Main Camera | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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Resolution | 5 MP f/2.2 Primary Camera
| |
Image Resolution | 2592 x 1944 Pixels | |
Flash | yes LED Flash | |
Camera Features | Digital Zoom | |
Autofocus | yes | |
Optical Image Stabilisation | No | |
Physical Aperture | F2.2 | |
Video Recording | 1280x720 @ 30 fps | |
Connectivity | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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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) |
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 | 4G: Not Available, 3G: Available, 2G: Available | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | yes v4.0 | 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 |
SIM 1 | 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | |
SIM 2 | 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
| |
SIM Size | SIM1: Micro, SIM2: Micro | |
NFC | No | |
Wi-Fi Features | Mobile Hotspot | |
USB Connectivity | Mass storage device, USB charging, microUSB 2.0 | |
Front Camera | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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Resolution | 2 MP f/2.2 Primary Camera
| |
Flash | No | |
Autofocus | No | |
Physical Aperture | F2.2 | |
Camera | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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Main camera | | 48 MP, Quad |
Features | | LED flash, HDR, panorama |
Video | | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
Selfie camera | | 16 MP, Single |
Multimedia | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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3.5 mm Jack | | Yes |
Radio | | FM radio, recording |
Audio Jack | 3.5 mm | |
FM Radio | yes | |
Loudspeaker | yes | |
Design | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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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 |
Height | 130.7 mm | |
Weight | 145 grams | 209 g |
Width | 66.4 mm | |
Thickness | 9.2 mm | |
Colours | Gold, White | |
Battery | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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Battery capacity | | 5020 mAh, Non-removable Li-Po |
Type | Li-ion | |
Capacity | 1900 mAh | |
User Replaceable | yes | |
Quick Charging | No | |
USB Type-C | No | |
USB OTG Support | yes | |
Other | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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Release date | | 2020, March 12 |
Sensors | | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
Features | Vivo Y21 | Xiaomi Redmi Note 9 Pro |
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Fingerprint Sensor | No | |
Other Sensors | Proximity sensor, Accelerometer, Compass | |