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Vivo X21s vs Realme 2 Pro vs Samsung Galaxy J8 vs Redmi Note 5 Pro comparison

 Compare Vivo X21s
Vivo X21s
Compare Realme 2 Pro
Realme 2 Pro
Compare Samsung Galaxy J8
Samsung Galaxy J8
Compare Redmi Note 5 Pro
Redmi Note 5 Pro
key specs
Display6.41-inch6.30-inch6.00-inch5.99-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 660Qualcomm Snapdragon 450Qualcomm Snapdragon 636
Front Camera24.8-megapixel16-megapixel 16-megapixel 20-megapixel
Rear Camera12-megapixel + 5-megapixel16-megapixel + 2-megapixel 16-megapixel + 5-megapixel 12-megapixel + 5-megapixel
RAM6GB8GB4GB4GB
Storage128GB128GB64GB64GB
Battery Capacity3400mAh3500mAh3500mAh4000mAh
OSAndroid 8.1 OreoAndroid 8.1Android 8.0Android 7.1.1
Resolution1080x2340 pixels1080x2340 pixels720x1440 pixels1080x2160 pixels
general
BrandVivoRealmeSamsungXiaomi
ModelX21s2 ProGalaxy J8Redmi Note 5 Pro
Release dateNovember 1, 2018September 1, 2018May 1, 2018February 1, 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.91 x 75.08 x 7.90156.70 x 74.00 x 8.50159.20 x 75.70 x 8.20158.60 x 75.40 x 8.05
Weight (g)156.00174.00177.00181.00
Battery capacity (mAh)3400350035004000
ColoursStarry Night BlackIce Lake, Blue Ocean, Black SeaBlue, Black, GoldBlack, Gold, Lake Blue, Rose Gold
Launched in India-YesYesYes
Body type-PolycarbonatePlasticMetal
Removable battery-No-No
Wireless charging-No--
SAR value-0.83-1.19
display
Screen size (inches)6.416.306.005.99
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2340 pixels720x1440 pixels1080x2160 pixels
Aspect ratio19.5:919.5:918.5:918:9
Protection type-Gorilla Glass-Gorilla Glass
Pixels per inch (PPI)-409274-
hardware
Processorocta-core1.8GHz octa-core1.6GHz octa-core1.8GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 660Qualcomm Snapdragon 450Qualcomm Snapdragon 636
RAM6GB8GB4GB4GB
Internal storage128GB128GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256128
Dedicated microSD slot-Yes--
camera
Rear camera12-megapixel + 5-megapixel16-megapixel (f/1.7) + 2-megapixel (f/2.4)16-megapixel (f/1.7) + 5-megapixel (f/1.9)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel (f/2.0, 1.12-micron)
Rear autofocusYesYesYesPhase detection autofocus
Front camera24.8-megapixel16-megapixel (f/2.0)16-megapixel (f/1.9)20-megapixel (f/2.2, 1.0-micron)
Rear flash-YesLEDLED
Front flash--LEDLED
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.0Android 7.1.1
Skin-ColorOS 5.2Samsung ExperienceMIUI 9
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYesYes, v 5.00YesYes, v 5.00
Micro-USBYesYesYesYes
Headphones3.5mm3.5mm3.5mm3.5mm
Number of SIMs2222
Wi-Fi standards supported-802.11 b/g/n/ac-802.11 b/g/n/ac
NFC-No-No
Infrared-No-No
USB OTG-Yes-Yes
FM-NoYesYes
Active 4G on both SIM cards-Yes--
Wi-Fi Direct---Yes
Mobile High-Definition Link (MHL)---No
sim 1
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
SIM Type-Nano-SIMNano-SIMNano-SIM
sim 2
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
SIM Type-Nano-SIMNano-SIMNano-SIM
sensors
Face unlockYesYes-Yes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYes-Yes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYes-Yes
3D face recognition---No
Barometer---No
Temperature sensor---No
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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