Itel S21 vs Oppo A33 comparison

Show Only Differences Highlight Differences	Itel S21	Oppo A33
key specs
Display	5.00-inch	5.00-inch
Processor	1.1GHz quad-core	Qualcomm Snapdragon 410
Front Camera	5-megapixel	5-megapixel
Rear Camera	8-megapixel	8-megapixel
RAM	1GB	2GB
Storage	16GB	16GB
Battery Capacity	2700mAh	2400mAh
OS	Android 7.0	Android 5.1
Resolution	480x854 pixels	540x960 pixels
general
Brand	Itel	Oppo
Model	S21	A33
Release date	November 1, 2017	November 1, 2015
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	2700	2400
Removable battery	Yes	No
Colours	Moonlight Silver, Champagne Gold, Elegant Black	Black, White
Dimensions (mm)	-	142.70 x 71.70 x 7.55
Weight (g)	-	146.00
display
Screen size (inches)	5.00	5.00
Touchscreen	Yes	Yes
Resolution	480x854 pixels	540x960 pixels
Pixels per inch (PPI)	-	220
hardware
Processor	1.1GHz quad-core	1.2GHz quad-core
RAM	1GB	2GB
Internal storage	16GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	128
Processor make	-	Qualcomm Snapdragon 410 (MSM8916)
camera
Rear camera	8-megapixel	8-megapixel
Rear flash	Yes	LED
Front camera	5-megapixel	5-megapixel
software
Operating system	Android 7.0	Android 5.1
Skin	-	Color OS 2.1
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes
NFC	No	No
Infrared	No	No
USB OTG	Yes	Yes
Headphones	3.5mm	3.5mm
FM	Yes	Yes
Number of SIMs	2	2
Wi-Fi Direct	No	No
Mobile High-Definition Link (MHL)	No	No
sim 1
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	Yes
sensors
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	No	Yes
Ambient light sensor	Yes	Yes
Gyroscope	No	Yes
Barometer	No	No
Temperature sensor	No	No

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