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Vivo Y55 4G vs Vivo X21 comparison

 Compare Vivo Y55 4G
Vivo Y55 4G
Compare Vivo X21
Vivo X21
key specs
Display6.44-inch6.28-inch
Front Camera16-megapixel 12-megapixel
Rear Camera50-megapixel + 2-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM8GB6GB
Storage128GB128GB
Battery Capacity5,000mAh3200mAh
OSAndroid 12Android 8.1
Resolution1,080x2,400 pixels1080x2280 pixels
Processor-Qualcomm Snapdragon 660
general
BrandVivoVivo
ModelY55 4GX21
Release dateMay 4, 2022March 1, 2018
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)160.80 x 73.79 x 8.42154.50 x 74.80 x 7.40
Weight (g)182.00156.20
Battery capacity (mAh)5,0003200
Removable batteryNoNo
Fast chargingQuick ChargeProprietary
ColoursBlack Star, Snow WhiteBlack, Gold
display
Resolution StandardFHD+-
Screen size (inches)6.446.28
TouchscreenYesYes
Resolution1,080x2,400 pixels1080x2280 pixels
Pixels per inch (PPI)408-
Aspect ratio-19:9
hardware
Processor makeQualcomm Snapdragon 680Qualcomm Snapdragon 660
RAM8GB6GB
Internal storage128GB128GB
Processor-2.2GHz octa-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
No. of Rear Cameras3-
Rear flashYesLED
Front camera16-megapixel (f/f/2.0)12-megapixel (f/2.0)
Rear autofocus-Phase detection autofocus
software
Operating systemAndroid 12Android 8.1
SkinFuntouch OS 12FunTouch 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
NFC-No
Infrared-No
USB OTG-Yes
Micro-USB-Yes
FM-No
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Accelerometer-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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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