On this page we compare specs Vivo Y31 2021 Qualcomm Snapdragon 662 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 Y31 2021 | Xiaomi Redmi Note 9 Pro |
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Operating system | Android v11 | Android 10.0; MIUI 11 |
Processor | Octa core (2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
Custom UI | Funtouch OS | |
Chipset | Qualcomm Snapdragon 662 | Qualcomm SM7125 Snapdragon 720G (8 nm) |
GPU | Adreno 610 | Adreno 618 |
Internal memory | | 64GB 4GB RAM, 128GB 6GB RAM |
External memory | | microSDXC (dedicated slot) |
Internal Storage | 128 GB | |
Expandable memory | Yes, Upto 1TB | |
RAM | 6 GB | |
Display | Vivo Y31 2021 | 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 |
Touchscreen | | capacitive touchscreen |
Screen-to-Body Ratio | | 84.5% |
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 Y31 2021 | 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) |
SIM size | SIM1: Nano, SIM2: Nano | |
Dual SIM | Dual SIM, GSM GSM | |
Wi-Fi | Yes, Wi-Fi 802.11, b/g/n/n 5GHz | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
Network | | GSM / HSPA / LTE |
Network support | 4G , 3G, 2G | |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
USB connectivity | Mass storage device, USB charging | |
Bluetooth | Yes, v5.0 | 5.0, A2DP, LE |
USB TYPE-C | Yes | |
Edge | | Yes |
GPRS | | Yes |
GPS | Yes, with A-GPS, Glonass | 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 Y31 2021 | Xiaomi Redmi Note 9 Pro |
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Aperture | F2.0 | |
Autofocus | Yes | |
Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
Image | 8000 x 6000 Pixels | |
Flash | Yes, LED Flash | |
Front camera | 16 MP | |
Front camera resolution | 16 MP f/2.0, Wide Angle Primary Camera | |
Video recording | 1920x1080 @ 30 fps | |
Main camera | 48 MP 2 MP 2 MP | 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 Y31 2021 | Xiaomi Redmi Note 9 Pro |
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Audio jack | 3.5 MM | |
FM radio | Yes | |
Loudspeaker | Yes | |
3.5 mm Jack | | Yes |
Radio | | FM radio, recording |
Design | Vivo Y31 2021 | Xiaomi Redmi Note 9 Pro |
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Height | 163.8 mm | |
Width | 75.3 mm | |
Thickness | 8.3 mm | |
Colors | Ocean Blue, Racing Black | 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 | 188 grams | 209 g |
Features | Vivo Y31 2021 | Xiaomi Redmi Note 9 Pro |
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Fingerprint sensor position | Side | |
Fingerprint sensor | Yes | |
Other sensors | Light sensor, Proximity sensor, Accelerometer, Compass | |
Battery | Vivo Y31 2021 | Xiaomi Redmi Note 9 Pro |
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Capacity | 5000 mAh | |
Type | Li-Polymer | |
User replaceable | No | |
Quick charging | Yes, Fast, 18W: 70 % in 64 minutes | |
Battery capacity | | 5020 mAh, Non-removable Li-Po |
Other | Vivo Y31 2021 | Xiaomi Redmi Note 9 Pro |
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Release date | | 2020, March 12 |
Sensors | | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |