Vivo S1 Pro vs Vivo X21 comparison

Compare Vivo S1 Pro
Compare Vivo X21
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.38-inch6.28-inch
ProcessorQualcomm Snapdragon 665Qualcomm Snapdragon 660
Front Camera32-megapixel 12-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM8GB6GB
Storage128GB128GB
Battery Capacity4500mAh3200mAh
OSAndroid 9 PieAndroid 8.1
Resolution1080x2340 pixels1080x2280 pixels
general
BrandVivoVivo
ModelS1 ProX21
Release date19th November 2019March 2018
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)159.25 x 75.19 x 8.68154.50 x 74.80 x 7.40
Weight (g)186.70156.20
Battery capacity (mAh)45003200
Removable batteryNoNo
Fast chargingProprietaryProprietary
Wireless chargingNo-
ColoursMystic Black, Jazzy Blue & Dreamy WhiteBlack, Gold
display
Screen size (inches)6.386.28
TouchscreenYesYes
Resolution1080x2340 pixels1080x2280 pixels
Aspect ratio19.5:919:9
hardware
Processorocta-core2.2GHz octa-core
Processor makeQualcomm Snapdragon 665Qualcomm Snapdragon 660
RAM8GB6GB
Internal storage128GB128GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera48-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Rear autofocusYesPhase detection autofocus
Rear flashYesLED
Front camera32-megapixel (f/2.0)12-megapixel (f/2.0)
software
Operating systemAndroid 9 PieAndroid 8.1
SkinFuntouch OS 9.2FunTouch 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB OTGYesYes
USB Type-CYes-
FMYesNo
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
NFC-No
Infrared-No
Micro-USB-Yes
Headphones-3.5mm
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYesYes
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
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