Oppo A3s vs Karbonn A21 comparison

Show Only Differences Highlight Differences	Oppo A3s	Karbonn A21
key specs
Display	6.20-inch	4.50-inch
Processor	Qualcomm Snapdragon 450	Qualcomm Snapdragon S4 Play
Front Camera	8-megapixel	1.3-megapixel
Rear Camera	13-megapixel + 2-megapixel	5-megapixel
RAM	2GB	512MB
Storage	16GB	4GB
Battery Capacity	4230mAh	1800mAh
OS	Android 8.1 Oreo	Android 4
Resolution	720x1520 pixels	480x800 pixels
general
Brand	Oppo	Karbonn
Model	A3s	A21
Form factor	Touchscreen	Bar
Dimensions (mm)	156.20 x 75.60 x 8.20	-
Weight (g)	168.00	-
Battery capacity (mAh)	4230	1800
Colours	Red, Dark Purple	Pearl White
Release date	-	December 1, 2012
Removable battery	-	No
display
Screen size (inches)	6.20	4.50
Touchscreen	Yes	Yes
Resolution	720x1520 pixels	480x800 pixels
Aspect ratio	19:9	-
hardware
Processor	1.8GHz octa-core	1.2GHz one-core
Processor make	Qualcomm Snapdragon 450	Qualcomm Snapdragon S4 Play (MSM8225)
RAM	2GB	512MB
Internal storage	16GB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	256	32
camera
Rear camera	13-megapixel (f/2.2) + 2-megapixel (f/2.4)	5-megapixel
Rear autofocus	Yes	-
Rear flash	LED	LED
Front camera	8-megapixel (f/2.2)	1.3-megapixel
software
Operating system	Android 8.1 Oreo	Android 4
Skin	ColorOS 5.1	-
connectivity
Wi-Fi	Yes	No
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes
Micro-USB	Yes	-
Headphones	3.5mm	-
Wi-Fi Direct	Yes	No
NFC	-	No
Infrared	-	No
USB OTG	-	No
FM	-	No
Number of SIMs	-	2
Mobile High-Definition Link (MHL)	-	No
sensors
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	No
Accelerometer	Yes	No
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No
sim 2
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No

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