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Samsung Galaxy M21 (6GB RAM, 128GB) vs Xiaomi Mi 4i

Samsung Galaxy M21 (6GB RAM, 128GB) vs Xiaomi Mi 4i comparison

Show Only Differences Highlight Differences	Samsung Galaxy M21 (6GB RAM, 128GB)	Xiaomi Mi 4i (16GB)
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	6.40-inch	5.00-inch
Processor	Samsung Exynos 9611	Qualcomm Snapdragon 615
Front Camera	20-megapixel	5-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel	13-megapixel
RAM	6GB	2GB
Storage	128GB	16GB
Battery Capacity	6000mAh	3120mAh
OS	Android 10	Android 5.0.2
Resolution	2340x1080 pixels	1080x1920 pixels
general
Brand	Samsung	Xiaomi
Model	Galaxy M21	Mi 4i
Release date	March 18, 2020	April 1, 2015
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Thickness	8.9	-
Weight (g)	188.00	130.00
Battery capacity (mAh)	6000	3120
Removable battery	No	No
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Iceberg Blue, Midnight Blue, Raven Black	Black, White, Orange, Light Blue, and Pink
Dimensions (mm)	-	138.10 x 69.60 x 7.80
display
Screen size (inches)	6.40	5.00
Touchscreen	Yes	Yes
Resolution	2340x1080 pixels	1080x1920 pixels
Protection type	Gorilla Glass	-
Aspect ratio	19.5:9	-
Pixels per inch (PPI)	-	441
hardware
Processor	1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)	1.7GHz octa-core
Processor make	Samsung Exynos 9611	Qualcomm Snapdragon 615
RAM	6GB	2GB
Internal storage	128GB	16GB
Expandable storage	Yes	No
Expandable storage type	microSD	-
Expandable storage up to (GB)	512	-
camera
Rear camera	48-megapixel + 8-megapixel + 5-megapixel	13-megapixel
Rear autofocus	Yes	-
Rear flash	Yes	Dual LED
Front camera	20-megapixel	5-megapixel
Front flash	No	-
software
Operating system	Android 10	Android 5.0.2
Skin	One UI 2.0	MIUI 6
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g	802.11 b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 4.10
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
NFC	-	No
Infrared	-	No
USB OTG	-	Yes
FM	-	Yes
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	-	Yes
Barometer	-	No
Temperature sensor	-	No

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