Samsung Galaxy M21 2021 vs Xiaomi Redmi Note 7s 64gb

Key Specs

Battery
6000 mAh	4000 mAh
Display
6.4 inches (16.26 cm)	6.3 inches (16 cm)
Front Camera
20 MP	13 MP
Processor
Samsung Exynos 9 Octa 9611	Qualcomm Snapdragon 660 MSM8956
RAM
4 GB	4 GB
Rear Camera
48 MP + 8 MP + 5 MP	48 MP + 5 MP

Battery

Capacity
6000 mAh	4000 mAh
Quick Charging
Yes, Fast, 15W	Yes, Quick, v4.0
Removable
No	No
Standby time
-	Up to 251 Hours(2G)
TalkTime
Up to 49 Hours(4G)	Up to 23 Hours(2G)
Type
Li-ion	Li-Polymer
USB Type-C
Yes	Yes

Design

Build Material
Back: Plastic	Back: Gorilla Glass
Colours
Arctic Blue, Charcoal Black	Onyx Black, Sapphire Blue, Ruby Red
Height
159 mm	159.2 mm
Thickness
8.9 mm	8.1 mm
Waterproof
-	Yes, Splash proof
Weight
192 grams	186 grams
Width
75.1 mm	75.2 mm

Display

Aspect Ratio
19.5:9	19.5:9
Bezel-less display
Yes with notch	Yes with waterdrop notch
Brightness
420 nits	-
Display Type
Super AMOLED	IPS LCD
Pixel Density
403 ppi	409 ppi
Refresh Rate
60 Hz	-
Resolution
1080x2340 px (FHD+)	1080x2340 px (FHD+)
Screen Protection
Corning Gorilla Glass v3	Corning Gorilla Glass v5
Screen Size
6.4 inches (16.26 cm)	6.3 inches (16 cm)
Screen to Body Ratio (calculated)
84.02 %	81.21 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
No	-
Camera Setup
Single	Single
Flash
No	-
Resolution
20 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length)	13 MP f/2.0, Primary Camera(3.1" sensor size, 1.12µm pixel size)
Video Recording
1920x1080 @ 30 fps	1920x1080 @ 30 fps

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General

Brand
Samsung	Xiaomi
Custom UI
Samsung One UI	MIUI
Launch Date
July 26, 2021 (Official)	May 23, 2019 (Official)
Operating System
Android v11	Android v9.0 (Pie)

Main Camera

Autofocus
Yes	Yes, Phase Detection autofocus
Camera Features
10 x Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Triple	Dual
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
8000 x 6000 Pixels	8000 x 6000 Pixels
OIS
No	-
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	48 MP f/1.8, Primary Camera(2" sensor size, 0.8µm pixel size)5 MP f/2.2, Depth Camera(1.12µm pixel size)
Sensor
S5KGM2, ISOCELL Plus	S5KGM1, ISOCELL Plus
Settings
Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
3840x2160 @ 30 fps 1920x1080 @ 30 fps	1920x1080 @ 30 fps 1280x720 @ 30 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v5.0	Yes, v5.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
No	-
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
Head: 0.47 W/kg	-
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) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
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) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano (Hybrid)
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM, Dual VoLTE
USB Connectivity
Mass storage device, USB charging	Mass storage device, USB charging
VoLTE
Yes	Yes
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 Features
Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)	Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)
Chipset
Samsung Exynos 9 Octa 9611	Qualcomm Snapdragon 660 MSM8956
Fabrication
10 nm	14 nm
Graphics
Mali-G72 MP3	Adreno 512
RAM type
LPDDR4X	LPDDR4X

Sensors

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

Storage

Expandable Memory
Yes, Up to 512 GB	Yes, Up to 256 GB
Internal Memory
64 GB	64 GB
Storage Type
UFS 2.1	eMMC 5.1
USB OTG
Yes	Yes
User Available Storage
Up to 48.6 GB	Up to 51.6 GB