Vivo X21 vs BlackBerry Classic comparison

Compare Vivo X21
Compare BlackBerry Classic
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.28-inch3.50-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon S4 Plus
Front Camera12-megapixel 2-megapixel
Rear Camera12-megapixel + 5-megapixel 8-megapixel
RAM6GB2GB
Storage128GB16GB
Battery Capacity3200mAh2515mAh
OSAndroid 8.1BlackBerry OS 10
Resolution1080x2280 pixels720x720 pixels
general
BrandVivoBlackBerry
ModelX21Classic
Release dateMarch 1, 2018December 1, 2014
Launched in IndiaYes-
Form factorTouchscreenQWERTY
Dimensions (mm)154.50 x 74.80 x 7.40131.00 x 72.40 x 10.20
Weight (g)156.20178.00
Battery capacity (mAh)32002515
Removable batteryNoYes
Fast chargingProprietary-
ColoursBlack, Gold-
Alternate names-Q20
display
Screen size (inches)6.283.50
TouchscreenYesYes
Resolution1080x2280 pixels720x720 pixels
Aspect ratio19:9-
Pixels per inch (PPI)-294
hardware
Processor2.2GHz octa-core1.5GHz dual-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon S4 Plus (MSM8960)
RAM6GB2GB
Internal storage128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
camera
Rear camera12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)8-megapixel
Rear autofocusPhase detection autofocus-
Rear flashLEDLED
Front camera12-megapixel (f/2.0)2-megapixel
software
Operating systemAndroid 8.1BlackBerry OS 10
SkinFunTouch 4.0-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
NFCNoYes
InfraredNoNo
USB OTGYesNo
Micro-USBYes-
Headphones3.5mm3.5mm
FMNoYes
Number of SIMs21
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-No
Temperature sensor-No
© Copyright Red Pixels Ventures Limited 2025. All rights reserved.
Trending Products »
Latest Tech News »