Samsung Galaxy M21 2021 vs Samsung Galaxy M30 32gb

Key Specs

Battery
Battery	6000 mAh	5000 mAh
Display
Display	6.4 inches (16.26 cm)	6.4 inches (16.26 cm)
Front Camera
Front Camera	20 MP	16 MP
Processor
Processor	Samsung Exynos 9 Octa 9611	Samsung Exynos 7 Octa 7904
RAM
RAM	4 GB	3 GB
Rear Camera
Rear Camera	48 MP + 8 MP + 5 MP	13 MP + 5 MP + 5 MP

Battery

Capacity
Capacity	6000 mAh	5000 mAh
Quick Charging
Quick Charging	Yes, Fast, 15W	Yes, Fast, 15W
Removable
Removable	No	No
TalkTime
TalkTime	Up to 49 Hours(4G)	Up to 31 Hours(3G)
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	Yes	Yes

Design

Build Material
Build Material	Back: Plastic	-
Colours
Colours	Arctic Blue, Charcoal Black	Gradation Black, Gradation Blue
Height
Height	159 mm	159 mm
Thickness
Thickness	8.9 mm	8.5 mm
Weight
Weight	192 grams	174 grams
Width
Width	75.1 mm	75.1 mm

Display

Aspect Ratio
Aspect Ratio	19.5:9	19.5:9
Bezel-less display
Bezel-less display	Yes with notch	Yes with notch
Brightness
Brightness	420 nits	-
Display Type
Display Type	Super AMOLED	Super AMOLED
Pixel Density
Pixel Density	403 ppi	394 ppi
Refresh Rate
Refresh Rate	60 Hz	-
Resolution
Resolution	1080x2340 px (FHD+)	1080x2280 px (FHD+)
Screen Protection
Screen Protection	Corning Gorilla Glass v3	-
Screen Size
Screen Size	6.4 inches (16.26 cm)	6.4 inches (16.26 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	84.02 %	85.19 %
Screen to Body Ratio (claimed by the brand)
Screen to Body Ratio (claimed by the brand)	-	90 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	No	No
Camera Setup
Camera Setup	Single	Single
Flash
Flash	No	No
Resolution
Resolution	20 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length)	16 MP f/2.0, Primary Camera
Sensor
Sensor	-	CMOS
Video Recording
Video Recording	1920x1080 @ 30 fps	-

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General

Brand
Brand	Samsung	Samsung
Custom UI
Custom UI	Samsung One UI	-
Launch Date
Launch Date	July 26, 2021 (Official)	March 14, 2019 (Official)
Operating System
Operating System	Android v11	Android v8.1 (Oreo)

Main Camera

Autofocus
Autofocus	Yes	Yes, Phase Detection autofocus
Camera Features
Camera Features	10 x Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Triple	Triple
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	8000 x 6000 Pixels	4128 x 3096 Pixels
OIS
OIS	No	No
Resolution
Resolution	48 MP f/2.0, Wide Angle, Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)5 MP f/2.2, Depth Camera	13 MP f/1.9, Primary Camera 5 MP f/2.2, Depth Camera 5 MP f/2.2, Ultra-Wide Angle Camera(12 mm focal length)
Sensor
Sensor	S5KGM2, ISOCELL Plus	CMOS image sensor
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	3840x2160 @ 30 fps 1920x1080 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Features
Audio Features	-	Dolby Atmos
Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	-	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.0	Yes, v5.0
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	Head: 0.47 W/kg	Head: 0.409 W/kg
SIM 1
SIM 1	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM, Dual VoLTE
USB Connectivity
USB Connectivity	Mass storage device, USB charging	Mass storage device, USB charging
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Calling
Wi-Fi Calling	-	Yes
Wi-Fi Features
Wi-Fi Features	Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
Architecture	64 bit	64 bit
CPU
CPU	Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)	Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)
Chipset
Chipset	Samsung Exynos 9 Octa 9611	Samsung Exynos 7 Octa 7904
Fabrication
Fabrication	10 nm	14 nm
Graphics
Graphics	Mali-G72 MP3	Mali-G71 MP2
RAM type
RAM Type	LPDDR4X	LPDDR4X

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	Rear	Rear
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Expandable Memory	Yes, Up to 512 GB	Yes, Up to 512 GB
Internal Memory
Internal Memory	64 GB	32 GB
Storage Type
Storage Type	UFS 2.1	eMMC 5.1
USB OTG
USB OTG	Yes	Yes
User Available Storage
User Available Storage	Up to 48.6 GB	-