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Samsung Galaxy A7 (2017) vs Samsung Galaxy A3 (2017) vs Xiaomi Redmi Note 3

Samsung Galaxy A7 (2017) vs Samsung Galaxy A3 (2017) vs Xiaomi Redmi Note 3 comparison

Show Only Differences Highlight Differences	Samsung Galaxy A7 (2017)	Samsung Galaxy A3 (2017)	Xiaomi Redmi Note 3
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	5.70-inch	4.70-inch	5.50-inch
Processor	Samsung Exynos 7880	1.6GHz octa-core	Qualcomm Snapdragon 650
Front Camera	16-megapixel	8-megapixel	5-megapixel
Rear Camera	16-megapixel	13-megapixel	16-megapixel
RAM	3GB	2GB	2GB
Storage	32GB	16GB	16GB
Battery Capacity	3600mAh	2350mAh	4050mAh
OS	Android 6.0	Android 6.0	Android 5.1
Resolution	1080x1920 pixels	720x1280 pixels	1080x1920 pixels
general
Brand	Samsung	Samsung	Xiaomi
Model	Galaxy A7 (2017)	Galaxy A3 (2017)	Redmi Note 3
Release date	January 1, 2017	January 1, 2017	November 1, 2015
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	156.80 x 77.60 x 7.90	135.40 x 66.20 x 7.90	150.00 x 76.00 x 8.65
Weight (g)	186.00	-	164.00
Battery capacity (mAh)	3600	2350	4050
Removable battery	No	No	No
Colours	Black Sky, Gold Sand	Black Sky, Blue Mist, Gold Sand, Peach Cloud	Gold, Silver, Dark Grey
SAR value	0.29	-	0.56
Launched in India	-	-	Yes
display
Screen size (inches)	5.70	4.70	5.50
Touchscreen	Yes	Yes	Yes
Resolution	1080x1920 pixels	720x1280 pixels	1080x1920 pixels
Aspect ratio	-	-	16:9
Pixels per inch (PPI)	-	-	403
hardware
Processor	1.9GHz octa-core	1.6GHz octa-core	hexa-core (4x1.4GHz + 4x1.8GHz)
Processor make	Samsung Exynos 7880	-	Qualcomm Snapdragon 650
RAM	3GB	2GB	2GB
Internal storage	32GB	16GB	16GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	256	256	128
camera
Rear camera	16-megapixel	13-megapixel	16-megapixel (f/2.0)
Rear flash	Yes	-	Dual LED
Front camera	16-megapixel	8-megapixel	5-megapixel (f/2.0)
Rear autofocus	-	-	Phase detection autofocus
Front flash	-	-	No
software
Operating system	Android 6.0	Android 6.0	Android 5.1
Skin	-	-	MIUI 7
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 4.20	Yes, v 4.20	Yes, v 4.10
NFC	Yes	Yes	No
Infrared	No	No	Yes
USB OTG	Yes	No	Yes
Headphones	3.5mm	Yes	3.5mm
FM	Yes	Yes	Yes
Number of SIMs	2	2	2
Wi-Fi Direct	No	No	Yes
Mobile High-Definition Link (MHL)	No	No	No
Micro-USB	-	-	Yes
sim 1
SIM Type	Nano-SIM	-	Nano-SIM
GSM/CDMA	GSM	-	GSM
3G	Yes	No	Yes
4G/ LTE	Yes	No	Yes
sim 2
SIM Type	Nano-SIM	-	Micro-SIM
GSM/CDMA	GSM	-	GSM
3G	Yes	No	Yes
4G/ LTE	Yes	No	Yes
sensors
Compass/ Magnetometer	Yes	No	Yes
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	No	No	Yes
Gyroscope	Yes	No	Yes
Barometer	Yes	Yes	No
Temperature sensor	No	No	No
Fingerprint sensor	-	-	Yes

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