Vivo Y91 vs Huawei Y7 Prime vs Xiaomi Redmi Note 4 comparison

Compare Vivo Y91
Compare Huawei Y7 Prime
Compare Xiaomi Redmi Note 4
key specs
Display6.22-inch5.50-inch5.50-inch
ProcessorMediaTek Helio P22 Qualcomm Snapdragon 435Qualcomm Snapdragon 625
Front Camera8-megapixel 8-megapixel5-megapixel
Rear Camera13-megapixel + 2-megapixel 12-megapixel13-megapixel
RAM2GB3GB4GB
Storage32MB32GB64GB
Battery Capacity4030mAh4000mAh4100mAh
OSAndroid 8.1Android 7.0Android 6.0
Resolution720x1520 pixels720x1290 pixels1080x1920 pixels
general
BrandVivoHuaweiXiaomi
ModelY91Y7 PrimeRedmi Note 4
Release dateJanuary 1, 2019June 1, 2017August 1, 2016
Launched in IndiaYes-Yes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28-151.00 x 76.00 x 8.30
Weight (g)163.50-175.00
Battery capacity (mAh)403040004100
ColoursStarry Black, Ocean BlueGold, White, GreyGold, Grey, Matte Black
Removable battery-NoNo
display
Screen size (inches)6.225.505.50
TouchscreenYesYesYes
Resolution720x1520 pixels720x1290 pixels1080x1920 pixels
Aspect ratio--16:9
Pixels per inch (PPI)--401
hardware
Processorocta-core1.4GHz octa-core2GHz octa-core
Processor makeMediaTek Helio P22 (MT6762R)Qualcomm Snapdragon 435Qualcomm Snapdragon 625
RAM2GB3GB4GB
Internal storage32MB32GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128
Dedicated microSD slotYes--
camera
Rear camera13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)12-megapixel13-megapixel (f/2.0, 1.12-micron)
Rear flashLEDLEDDual LED
Front camera8-megapixel (f/f/1.8)8-megapixel5-megapixel (f/2.0)
Front flashNo--
Rear autofocus--Phase detection autofocus
software
Operating systemAndroid 8.1Android 7.0Android 6.0
SkinFuntouch OS 4.5-MIUI 8
connectivity
Wi-FiYesYesYes
BluetoothYes, v 5.00Yes, v 4.10Yes, v 4.10
NFCNoNoNo
Micro-USBYes-Yes
Headphones3.5mm3.5mm3.5mm
Number of SIMs222
Active 4G on both SIM cardsYes--
Wi-Fi standards supported-802.11 b/g/n802.11 a/b/g/n
GPS-YesYes
Infrared-NoYes
USB OTG-YesYes
FM-YesYes
Wi-Fi Direct-NoNo
Mobile High-Definition Link (MHL)-NoNo
sim 1
SIM TypeNano-SIM-Micro-SIM
GSM/CDMAGSMGSM + CDMAGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIM-Nano-SIM
GSM/CDMAGSMGSM + CDMAGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Face unlockYes--
Fingerprint sensorYes-Yes
Compass/ MagnetometerYesNoYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesNoYes
Barometer-NoNo
Temperature sensor-NoNo
ratings
Overall NDTV Rating--Read Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--

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