Redmi Note 7 vs Xiaomi Mi A2 vs Samsung Galaxy S7 comparison

Show Only Differences Highlight Differences	Redmi Note 7	Xiaomi Mi A2	Samsung Galaxy S7
ratings
Overall NDTV Rating	Read Review	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.30-inch	5.99-inch	5.10-inch
Processor	Qualcomm Snapdragon 660	Qualcomm Snapdragon 660	1.6GHz octa-core
Front Camera	13-megapixel	20-megapixel	5-megapixel
Rear Camera	12-megapixel + 2-megapixel	12-megapixel + 20-megapixel	12-megapixel
RAM	4GB	4GB	4GB
Storage	64GB	64GB	32GB
Battery Capacity	4000mAh	3000mAh	3000mAh
OS	Android 9.0	Android 8.1 Oreo	Android 6.0
Resolution	1080x2340 pixels	1080x2160 pixels	1440x2560 pixels
general
Brand	Xiaomi	Xiaomi	Samsung
Model	Redmi Note 7	Mi A2	Galaxy S7
Release date	January 1, 2019	July 1, 2018	February 1, 2016
Launched in India	Yes	Yes	-
Form factor	Touchscreen	Touchscreen	Touchscreen
Body type	Glass	-	-
Dimensions (mm)	159.21 x 75.21 x 8.10	158.70 x 75.40 x 7.30	142.40 x 69.60 x 7.90
Weight (g)	185.00	168.00	152.00
Battery capacity (mAh)	4000	3000	3000
Removable battery	No	No	No
Fast charging	Quick Charge	-	-
Wireless charging	No	-	-
Colours	Onyx Black, Ruby Red, Sapphire Blue	Black, Gold, Lake Blue, Rose Gold	-
SAR value	0.96	-	-
display
Screen size (inches)	6.30	5.99	5.10
Touchscreen	Yes	Yes	Yes
Resolution	1080x2340 pixels	1080x2160 pixels	1440x2560 pixels
Protection type	Gorilla Glass	-	-
Aspect ratio	19.5:9	18:9	-
Pixels per inch (PPI)	409	403	577
hardware
Processor	2.2GHz	octa-core (4x2.2GHz + 4x1.8GHz)	1.6GHz octa-core
Processor make	Qualcomm Snapdragon 660	Qualcomm Snapdragon 660	-
RAM	4GB	4GB	4GB
Internal storage	64GB	64GB	32GB
Expandable storage	Yes	No	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	256	-	200
Dedicated microSD slot	No	-	-
camera
Rear camera	12-megapixel (f/2.2, 1.25-micron) + 2-megapixel	12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)	12-megapixel
Rear autofocus	Yes	Phase detection autofocus	-
Rear flash	LED	Dual LED	Yes
Front camera	13-megapixel (f/2.0, 1.12-micron)	20-megapixel (f/2.2, 1.0-micron)	5-megapixel
Front flash	-	LED	-
software
Operating system	Android 9.0	Android 8.1 Oreo	Android 6.0
Skin	MIUI 10	-	-
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 a/b/g/n/ac	802.11 a/b/g/n/ac
GPS	Yes	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 5.00	Yes, v 4.20
USB OTG	Yes	Yes	Yes
USB Type-C	Yes	-	-
Headphones	3.5mm	No	3.5mm
FM	Yes	-	No
Number of SIMs	2	2	2
Active 4G on both SIM cards	Yes	-	-
NFC	-	Yes	Yes
Wi-Fi Direct	-	Yes	No
Infrared	-	-	No
Mobile High-Definition Link (MHL)	-	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM	-
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM	-
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sensors
Face unlock	Yes	-	-
Fingerprint sensor	Yes	Yes	-
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes
Gyroscope	Yes	Yes	Yes
Compass/ Magnetometer	-	Yes	Yes
Barometer	-	-	Yes
Temperature sensor	-	-	No

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