Vivo X21s vs HTC Desire 820 comparison

Compare Vivo X21s
Compare HTC Desire 820s
key specs
Display6.41-inch5.50-inch
ProcessorQualcomm Snapdragon 660MediaTek MT6752
Front Camera24.8-megapixel8-megapixel
Rear Camera12-megapixel + 5-megapixel13-megapixel
RAM6GB2GB
Storage128GB16GB
Battery Capacity3400mAh2600mAh
OSAndroid 8.1 OreoAndroid 4.4.4
Resolution1080x2340 pixels720x1280 pixels
general
BrandVivoHTC
ModelX21sDesire 820s
Release dateNovember 1, 2018March 1, 2015
Form factorTouchscreenTouchscreen
Dimensions (mm)157.91 x 75.08 x 7.90157.70 x 78.74 x 7.74
Weight (g)156.00155.00
Battery capacity (mAh)34002600
ColoursStarry Night BlackWhite, Grey
Removable battery-No
display
Screen size (inches)6.415.50
TouchscreenYesYes
Resolution1080x2340 pixels720x1280 pixels
Aspect ratio19.5:9-
Pixels per inch (PPI)-267
hardware
Processorocta-core1.7GHz octa-core
Processor makeQualcomm Snapdragon 660MediaTek MT6752
RAM6GB2GB
Internal storage128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)25632
camera
Rear camera12-megapixel + 5-megapixel13-megapixel
Rear autofocusYes-
Front camera24.8-megapixel8-megapixel
Rear flash-LED
software
Operating systemAndroid 8.1 OreoAndroid 4.4.4
Skin-Sense 6.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 4.00
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-No
USB OTG-No
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
SIM Type-Nano-SIM
sim 2
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
SIM Type-Nano-SIM
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-No
Temperature sensor-No
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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