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Samsung Galaxy M21 (6GB RAM, 128GB) vs Samsung Galaxy S4

Samsung Galaxy M21 (6GB RAM, 128GB) vs Samsung Galaxy S4 comparison

Show Only Differences Highlight Differences	Samsung Galaxy M21 (6GB RAM, 128GB)	Samsung Galaxy S4 (2GB RAM, 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	octa-core
Front Camera	20-megapixel	2-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel	13-megapixel
RAM	6GB	2GB
Storage	128GB	16GB
Battery Capacity	6000mAh	2600mAh
OS	Android 10	Android 4.2
Resolution	2340x1080 pixels	1080x1920 pixels
general
Brand	Samsung	Samsung
Model	Galaxy M21	Galaxy S4
Release date	March 18, 2020	April 1, 2013
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Thickness	8.9	-
Weight (g)	188.00	130.00
Battery capacity (mAh)	6000	2600
Removable battery	No	Yes
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Iceberg Blue, Midnight Blue, Raven Black	Black Mist, White Frost
Alternate names	-	GT-I9500
Dimensions (mm)	-	136.60 x 69.80 x 7.90
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	16:9
Pixels per inch (PPI)	-	441
hardware
Processor	1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)	octa-core (4x1.6GHz + 4x1.2GHz)
Processor make	Samsung Exynos 9611	-
RAM	6GB	2GB
Internal storage	128GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	64
camera
Rear camera	48-megapixel + 8-megapixel + 5-megapixel	13-megapixel (f/2.2, 1.14-micron)
Rear autofocus	Yes	Yes
Rear flash	Yes	LED
Front camera	20-megapixel	2-megapixel (f/2.4)
Front flash	No	-
software
Operating system	Android 10	Android 4.2
Skin	One UI 2.0	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 4.00
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
Number of SIMs	2	1
NFC	-	Yes
Infrared	-	Yes
USB OTG	-	No
Micro-USB	-	Yes
FM	-	No
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	Yes
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	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	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	-	Yes
Temperature sensor	-	No

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