Xiaomi Redmi 4 vs Xiaomi Mi 4S vs Xiaomi Mi 4i comparison

Show Only Differences Highlight Differences	Xiaomi Redmi 4	Xiaomi Mi 4S	Xiaomi Mi 4i
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	5.00-inch	5.00-inch	5.00-inch
Processor	Qualcomm Snapdragon 435	Qualcomm Snapdragon 808	Qualcomm Snapdragon 615
Front Camera	5-megapixel	5-megapixel	5-megapixel
Rear Camera	13-megapixel	13-megapixel	13-megapixel
RAM	3GB	3GB	2GB
Storage	32GB	64GB	16GB
Battery Capacity	4100mAh	3260mAh	3120mAh
OS	Android 6.0.1	Android 6	Android 5.0.2
Resolution	720x1280 pixels	1080x1920 pixels	1080x1920 pixels
general
Brand	Xiaomi	Xiaomi	Xiaomi
Model	Redmi 4	Mi 4S	Mi 4i
Release date	November 1, 2016	February 1, 2016	April 1, 2015
Launched in India	Yes	-	-
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	139.30 x 69.90 x 8.65	139.26 x 70.76 x 7.80	138.10 x 69.60 x 7.80
Weight (g)	150.00	133.00	130.00
Battery capacity (mAh)	4100	3260	3120
Removable battery	No	No	No
Colours	Gold, Black	White, Black, Gold, Pink	Black, White, Orange, Light Blue, and Pink
display
Screen size (inches)	5.00	5.00	5.00
Touchscreen	Yes	Yes	Yes
Resolution	720x1280 pixels	1080x1920 pixels	1080x1920 pixels
Protection type	Gorilla Glass	-	-
Aspect ratio	16:9	-	-
Pixels per inch (PPI)	296	441	441
hardware
Processor	1.4GHz octa-core	hexa-core	1.7GHz octa-core
Processor make	Qualcomm Snapdragon 435	Qualcomm Snapdragon 808	Qualcomm Snapdragon 615
RAM	3GB	3GB	2GB
Internal storage	32GB	64GB	16GB
Expandable storage	Yes	Yes	No
Expandable storage type	microSD	microSD	-
Expandable storage up to (GB)	128	-	-
camera
Rear camera	13-megapixel	13-megapixel	13-megapixel
Rear flash	LED	Dual LED	Dual LED
Front camera	5-megapixel	5-megapixel	5-megapixel
software
Operating system	Android 6.0.1	Android 6	Android 5.0.2
Skin	MIUI 8	MIUI 7	MIUI 6
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 b/g/n/ac	802.11 b/g/n/ac
GPS	Yes	Yes	Yes
Bluetooth	Yes, v 4.10	Yes, v 4.10	Yes, v 4.10
NFC	No	No	No
Infrared	Yes	Yes	No
USB OTG	Yes	Yes	Yes
Micro-USB	Yes	-	-
Headphones	3.5mm	3.5mm	3.5mm
FM	Yes	No	Yes
Number of SIMs	2	2	2
Wi-Fi Direct	No	Yes	Yes
Mobile High-Definition Link (MHL)	No	No	No
sim 1
SIM Type	Micro-SIM	-	Micro-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sim 2
SIM Type	Nano-SIM	-	Micro-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sensors
Fingerprint sensor	Yes	-	-
Compass/ Magnetometer	Yes	No	Yes
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes
Gyroscope	Yes	Yes	Yes
Barometer	No	No	No
Temperature sensor	No	No	No

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