Xiaomi Redmi S2 vs Oppo A71 (2018) comparison

Show Only Differences Highlight Differences	Xiaomi Redmi S2	Oppo A71 (2018)
key specs
Display	5.99-inch	5.20-inch
Processor	Qualcomm Snapdragon 625	Qualcomm Snapdragon 450
Front Camera	16-megapixel	5-megapixel
Rear Camera	12-megapixel	13-megapixel
RAM	3GB	3GB
Storage	32GB	16GB
Battery Capacity	3080mAh	3000mAh
OS	Android 8.1 Oreo	Android 7.1
Resolution	720x1440 pixels	720x1280 pixels
general
Brand	Xiaomi	Oppo
Model	Redmi S2	A71 (2018)
Release date	May 1, 2018	January 1, 2018
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	160.73 x 77.26 x 8.10	148.10 x 73.80 x 7.60
Weight (g)	170.00	137.00
Battery capacity (mAh)	3080	3000
Removable battery	No	-
Colours	Black, Rose Gold, Gold, White, Blue, Red, Pink, Gray, Silver	Black, Gold
display
Screen size (inches)	5.99	5.20
Touchscreen	Yes	Yes
Resolution	720x1440 pixels	720x1280 pixels
Aspect ratio	-	16:9
hardware
Processor	2GHz octa-core	1.8GHz octa-core
Processor make	Qualcomm Snapdragon 625	Qualcomm Snapdragon 450
RAM	3GB	3GB
Internal storage	32GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	256	256
camera
Rear camera	12-megapixel	13-megapixel (f/2.2, 1.12-micron)
Rear flash	LED	LED
Front camera	16-megapixel	5-megapixel
Front flash	Yes	-
Rear autofocus	-	Phase detection autofocus
software
Operating system	Android 8.1 Oreo	Android 7.1
Skin	MIUI 9	ColorOS 3.2
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 b/g/n
GPS	Yes	-
Bluetooth	Yes, v 4.20	Yes, v 4.20
Infrared	Yes	-
Number of SIMs	2	2
USB OTG	-	Yes
Micro-USB	-	Yes
Headphones	-	3.5mm
FM	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-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	Yes
4G/ LTE	Yes	Yes
sensors
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-

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