Poco M4 5G vs Vivo Y91 comparison

Compare Poco M4 5G
Compare Vivo Y91
key specs
Display6.58-inch6.22-inch
ProcessorMediaTek Dimensity 700MediaTek Helio P22
Front Camera8-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM4GB, 6GB2GB
Storage64GB, 128GB32MB
Battery Capacity5000mAh4030mAh
OSAndroid 12Android 8.1
Resolution1080x2408 pixels720x1520 pixels
general
BrandPocoVivo
ModelM4 5GY91
Release dateApril 29, 2022January 1, 2019
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.99 x 76.09 x 8.90155.11 x 75.09 x 8.28
Weight (g)200.00163.50
Battery capacity (mAh)50004030
Fast chargingProprietary-
Wireless chargingNo-
ColoursBlack, Blue, YellowStarry Black, Ocean Blue
display
Refresh Rate90 Hz-
Resolution StandardFHD-
Screen size (inches)6.586.22
TouchscreenYesYes
Resolution1080x2408 pixels720x1520 pixels
Pixels per inch (PPI)401-
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 700MediaTek Helio P22 (MT6762R)
RAM4GB, 6GB2GB
Internal storage64GB, 128GB32MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
No. of Rear Cameras2-
Front camera8-megapixel (f/2.4)8-megapixel (f/f/1.8)
No. of Front Cameras1-
Rear flash-LED
Front flash-No
software
Operating systemAndroid 12Android 8.1
SkinMIUI 13Funtouch OS 4.5
connectivity
Wi-FiYesYes
BluetoothYes, v 5.10Yes, v 5.00
USB Type-CYes-
NFC-No
Micro-USB-Yes
Headphones-3.5mm
Number of SIMs-2
Active 4G on both SIM cards-Yes
sensors
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Face unlock-Yes
Compass/ Magnetometer-Yes
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
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