Xiaomi Redmi S2 vs Mi A1 vs Xiaomi Mi Max 2 comparison

Show Only Differences Highlight Differences	Xiaomi Redmi S2	Mi A1	Xiaomi Mi Max 2
key specs
Display	5.99-inch	5.50-inch	6.44-inch
Processor	Qualcomm Snapdragon 625	Qualcomm Snapdragon 625	Qualcomm Snapdragon 625
Front Camera	16-megapixel	5-megapixel	5-megapixel
Rear Camera	12-megapixel	12-megapixel	12-megapixel
RAM	3GB	4GB	4GB
Storage	32GB	64GB	64GB
Battery Capacity	3080mAh	3080mAh	5300mAh
OS	Android 8.1 Oreo	Android 7.1.2	Android 7.0
Resolution	720x1440 pixels	1080x1920 pixels	1080x1920 pixels
general
Brand	Xiaomi	Xiaomi	Xiaomi
Model	Redmi S2	Mi A1	Mi Max 2
Release date	May 1, 2018	September 1, 2017	May 1, 2017
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	160.73 x 77.26 x 8.10	155.40 x 75.80 x 7.30	174.10 x 88.70 x 7.60
Weight (g)	170.00	165.00	211.00
Battery capacity (mAh)	3080	3080	5300
Removable battery	No	No	No
Colours	Black, Rose Gold, Gold, White, Blue, Red, Pink, Gray, Silver	Rose Gold, Gold, Black	Gold, Black
Launched in India	-	Yes	-
display
Screen size (inches)	5.99	5.50	6.44
Touchscreen	Yes	Yes	Yes
Resolution	720x1440 pixels	1080x1920 pixels	1080x1920 pixels
Aspect ratio	-	16:9	-
Pixels per inch (PPI)	-	-	342
hardware
Processor	2GHz octa-core	2GHz octa-core	2GHz octa-core
Processor make	Qualcomm Snapdragon 625	Qualcomm Snapdragon 625	Qualcomm Snapdragon 625
RAM	3GB	4GB	4GB
Internal storage	32GB	64GB	64GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	256	128	128
camera
Rear camera	12-megapixel	12-megapixel	12-megapixel
Rear flash	LED	Dual LED	Dual LED
Front camera	16-megapixel	5-megapixel	5-megapixel
Front flash	Yes	-	-
software
Operating system	Android 8.1 Oreo	Android 7.1.2	Android 7.0
Skin	MIUI 9	-	MIUI 8
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 a/b/g/n/ac	802.11 b/g/n
GPS	Yes	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 4.20	Yes
Infrared	Yes	Yes	Yes
Number of SIMs	2	2	2
NFC	-	No	No
USB OTG	-	Yes	No
USB Type-C	-	Yes	-
Headphones	-	3.5mm	3.5mm
FM	-	No	Yes
Wi-Fi Direct	-	No	No
Mobile High-Definition Link (MHL)	-	No	No
sim 1
SIM Type	Nano-SIM	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sensors
Compass/ Magnetometer	Yes	Yes	No
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes
Gyroscope	Yes	Yes	Yes
Fingerprint sensor	-	Yes	-
Barometer	-	No	No
Temperature sensor	-	No	No
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	-

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