Itel S21 vs BlackBerry Curve 8520 comparison

Show Only Differences Highlight Differences	Itel S21	BlackBerry Curve 8520
key specs
Display	5.00-inch	2.46-inch
Processor	1.1GHz quad-core	512 MHz one-core
Front Camera	5-megapixel	No
Rear Camera	8-megapixel	2-megapixel
RAM	1GB	-
Storage	16GB	256MB
Battery Capacity	2700mAh	1150mAh
OS	Android 7.0	BlackBerry OS 5
Resolution	480x854 pixels	240x320 pixels
general
Brand	Itel	BlackBerry
Model	S21	Curve 8520
Release date	November 1, 2017	August 1, 2009
Form factor	Touchscreen	Bar
Battery capacity (mAh)	2700	1150
Removable battery	Yes	Yes
Colours	Moonlight Silver, Champagne Gold, Elegant Black	Black
Dimensions (mm)	-	109.00 x 60.00 x 13.90
Weight (g)	-	105.00
display
Screen size (inches)	5.00	2.46
Touchscreen	Yes	No
Resolution	480x854 pixels	240x320 pixels
hardware
Processor	1.1GHz quad-core	512 MHz one-core
RAM	1GB	-
Internal storage	16GB	256MB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
camera
Rear camera	8-megapixel	2-megapixel
Rear flash	Yes	No
Front camera	5-megapixel	No
software
Operating system	Android 7.0	BlackBerry OS 5
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	No
Bluetooth	Yes	Yes, v 2.00
NFC	No	No
Infrared	No	No
USB OTG	Yes	No
Headphones	3.5mm	3.5mm
FM	Yes	No
Number of SIMs	2	1
Wi-Fi Direct	No	No
Mobile High-Definition Link (MHL)	No	No
sim 1
SIM Type	Nano-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	No
Accelerometer	No	No
Ambient light sensor	Yes	Yes
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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