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Samsung Galaxy M21 vs Xiaomi Redmi Note 10

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Summary
79%
80%
Performance

Samsung Exynos 9 Octa 9611

4 GB RAM

Snapdragon 678

4 GB RAM

Display

6.4" (16.26 cm)

1080x2340 px (FHD+)

6.43" (16.33 cm)

1080x2400 px (FHD+)

Rear Camera

48 MP + 8 MP + 5 MP

Triple Camera

48 MP + 8 MP + 2 MP + 2 MP

Quad Camera

Front Camera

20 MP

Single Camera

13 MP

Single Camera

Battery

6000 mAh

5000 mAh

Storage

64 GB

512 GB (Expandable)

64 GB

512 GB (Expandable)

Expert Rating

3.5/5

Read Expert Review

4.0/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 248,431 ratings

Read All User Reviews

★★★★★
★★★★★

4.2/5 based on 229,418 ratings

Read All User Reviews

Benchmarks
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Not Available in any store
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General
Launch Date

March 18, 2020 (Official)

March 16, 2021 (Official)

Operating System

Android v10 (Q)

Android v11

Custom UI

Samsung One UI

MIUI

Performance
Good
Good
Chipset

Samsung Exynos 9 Octa 9611

Qualcomm Snapdragon 678

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Octa core (2.2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)

Architecture

64 bit

64 bit

Graphics

Mali-G72 MP3

Adreno 612

RAM

4 GB

4 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Very Good
Very Good
Display Type

Super AMOLED

Super AMOLED

Screen Size

6.4 " (16.26 cm)

6.43 " (16.33 cm)

Resolution

1080x2340 px (FHD+)

1080x2400 px (FHD+)

Aspect Ratio

19.5:9

20:9

Pixel Density

403 ppi

409 ppi

Screen to Body Ratio (calculated)

84.02 %

83.53 %

Screen Protection

Corning Gorilla Glass v3

Corning Gorilla Glass v3

Bezel-less display

with waterdrop notch

with punch-hole display

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Brightness

420 nits

1100 nits

Refresh Rate

60 Hz

Screen to Body Ratio (claimed by the brand)

91 %

Design
Size Compare
Size Compare
Dimensions

Height: 159 mm
Width: 75.1 mm
Thickness: 8.9 mm

Height: 160.4 mm
Width: 74.5 mm
Thickness: 8.3 mm

Weight

188 grams

178.8 grams

Build Material

Back: Plastic

Back: Plastic

Colours

Midnight Blue, Raven Black

Frost White, Aqua Green, Shadow Black

Waterproof

, Splash proof, IP53

Ruggedness

Dust proof

Camera
Main Camera
Camera Setup

Triple

Quad

Resolution

48 MP f/2.0, Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(12 mm focal length, 4.0" sensor size, 1.12µm pixel size)5 MP f/2.2, Depth Camera

48 MP f/1.79, 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)2 MP f/2.4, Macro Camera(5.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Depth Camera(5.0" sensor size, 1.75µm pixel size)

Sensor

CMOS image sensor

IMX582, Exmor-RS CMOS Sensor

Autofocus

, Phase Detection autofocus

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

8000 x 6000 Pixels

8000 x 6000 Pixels

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)
Burst mode

Camera Features

4 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Custom Watermark
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 30 fps

3840x2160 @ 30 fps
1920x1080 @ 60 fps

Video Recording Features

Movie Frame

Front Camera
Very Good
Good
Camera Setup

Single

Single

Resolution

20 MP f/2.2, Primary Camera(26 mm focal length)

13 MP f/2.45, Wide Angle, Primary Camera(3" sensor size, 1.12µm pixel size)

Sensor

CMOS

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps
1280x720 @ 30 fps

Battery
Very Good
Very Good
Capacity

6000 mAh

5000 mAh

Type

Li-ion

Li-Polymer

Removable

No

No

Quick Charging

, Fast, 15W

, Fast, 33W: 100 % in 74 minutes

USB Type-C

Storage
Best in Class
Best in Class
Internal Memory

64 GB

64 GB

Expandable Memory

, Up to 512 GB

, Up to 512 GB

User Available Storage

Up to 49 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM, Dual VoLTE

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

Network Support

5G Not Supported in India, 4G Supported in India, 3G, 2G

5G Not Supported in India, 4G Supported in India, 3G, 2G

VoLTE

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
Read More..

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
Read More..

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
Read More..

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
Read More..

SAR Value

Head: 0.468 W/kg

Head: 0.863 W/kg, Body: 0.585 W/kg

Wi-Fi

, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz

, Wi-Fi 5 (802.11 a/b/g/n/ac)

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Bluetooth

, v5.0

, v5.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

No

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging

Multimedia
Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Rear

Side

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope