Xiaomi Mi A2 vs Oppo A83 vs Oppo R9 comparison

Show Only Differences Highlight Differences	Xiaomi Mi A2	Oppo A83	Oppo R9s
ratings
Overall NDTV Rating	Read Review	Read Review	-
Design Rating			-
Display Rating			-
Software Rating			-
Performance Rating			-
Battery Life Rating			-
Camera Rating			-
Value for Money Rating			-
key specs
Display	5.99-inch	5.70-inch	5.50-inch
Processor	Qualcomm Snapdragon 660	MediaTek MT6737T	Qualcomm Snapdragon 625
Front Camera	20-megapixel	8-megapixel	16-megapixel
Rear Camera	12-megapixel + 20-megapixel	13-megapixel	16-megapixel
RAM	4GB	3GB	4GB
Storage	64GB	32GB	64GB
Battery Capacity	3000mAh	3180mAh	3010mAh
OS	Android 8.1 Oreo	Android 7.1	Android 6.0
Resolution	1080x2160 pixels	720x1440 pixels	1080x1920 pixels
general
Brand	Xiaomi	Oppo	Oppo
Model	Mi A2	A83	R9s
Release date	July 1, 2018	December 1, 2017	October 1, 2016
Launched in India	Yes	-	-
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	158.70 x 75.40 x 7.30	150.50 x 73.10 x 7.70	153.00 x 74.30 x 6.58
Weight (g)	168.00	143.00	145.00
Battery capacity (mAh)	3000	3180	3010
Removable battery	No	-	No
Colours	Black, Gold, Lake Blue, Rose Gold	Champagne, Black	Gold, Rose Gold
display
Screen size (inches)	5.99	5.70	5.50
Touchscreen	Yes	Yes	Yes
Resolution	1080x2160 pixels	720x1440 pixels	1080x1920 pixels
Aspect ratio	18:9	18:9	-
Pixels per inch (PPI)	403	-	401
hardware
Processor	octa-core (4x2.2GHz + 4x1.8GHz)	2.5GHz octa-core	2GHz octa-core
Processor make	Qualcomm Snapdragon 660	MediaTek MT6737T	Qualcomm Snapdragon 625
RAM	4GB	3GB	4GB
Internal storage	64GB	32GB	64GB
Expandable storage	No	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	-	256	128
camera
Rear camera	12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)	13-megapixel	16-megapixel
Rear autofocus	Phase detection autofocus	-	-
Rear flash	Dual LED	LED	LED
Front camera	20-megapixel (f/2.2, 1.0-micron)	8-megapixel	16-megapixel
Front flash	LED	-	-
software
Operating system	Android 8.1 Oreo	Android 7.1	Android 6.0
Skin	-	ColorOS 3.2	ColorOS 3.0
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 a/b/g/n	-
GPS	Yes	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.20	Yes, v 4.00
NFC	Yes	No	Yes
USB OTG	Yes	Yes	No
Headphones	No	3.5mm	-
Number of SIMs	2	2	2
Wi-Fi Direct	Yes	-	No
Infrared	-	No	No
Micro-USB	-	Yes	-
FM	-	Yes	No
Mobile High-Definition Link (MHL)	-	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM	-
GSM/CDMA	GSM	GSM	-
3G	Yes	Yes	No
4G/ LTE	Yes	Yes	No
sim 2
SIM Type	Nano-SIM	Nano-SIM	-
GSM/CDMA	GSM	GSM	-
3G	Yes	Yes	No
4G/ LTE	Yes	Yes	No
sensors
Fingerprint sensor	Yes	-	-
Compass/ Magnetometer	Yes	-	No
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes
Gyroscope	Yes	-	Yes
Face unlock	-	Yes	-
Barometer	-	-	No
Temperature sensor	-	-	No