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Samsung Galaxy M21 vs Xiaomi Redmi Note 9

Summary
82%
80%
Display

6.4" (16.26 cm)

1080x2340 px, 403 PPI

6.53" (16.59 cm)

1080x2340 px, 395 PPI

Camera

48 MP + 8 MP + 5 MP (Primary)

20 MP(Front)

48 MP + 8 MP + 2 MP + 2 MP (Primary)

13 MP(Front)

Battery

6000 mAh

5020 mAh

Performance

Quad + Quad Core

2.3 GHz + 1.7 GHz, 4 GB RAM

Dual + Hexa Core

2 GHz + 2 GHz, 4 GB RAM

Storage

64 GB

512 GB (Expandable)

64 GB

512 GB (Expandable)

Expert Rating

★★★★★
★★★★★

Read Expert Review

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 199,498 ratings

Read All User Reviews

★★★★★
★★★★★

4.3/5 based on 225,162 ratings

Read All User Reviews

Best Prices
Rs. 13,990 @Tata CL... Buy
Rs. 14,499 @Amazon Buy
Not available in any other store
Rs. 12,968 @Flipkart Buy
Rs. 14,999 @Tata CL... Buy
Rs. 14,999 @Amazon Buy
General
Launch Date

March 18, 2020 (Official)

July 24, 2020 (Official)

Operating System

Android v10 (Q)

Android v10 (Q)

Custom UI

Samsung One UI

MIUI

Performance
Good
Good
Chipset

Samsung Exynos 9 Octa 9611

MediaTek Helio G85

CPU

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

Octa core (2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)

Architecture

64 bit

64 bit

Fabrication

10 nm

12 nm

Graphics

Mali-G72 MP3

Mali-G52

RAM

4 GB

4 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Very Good
Good
Display Type

Super AMOLED

IPS LCD

Screen Size

6.4 " (16.26 cm)

6.53 " (16.59 cm)

Resolution

1080 x 2340 pixels

1080 x 2340 pixels

Aspect Ratio

19.5:9

19.5:9

Pixel Density

403 ppi

395 ppi

Screen to Body Ratio (calculated)

84.02 %

84.37 %

Screen Protection

Corning Gorilla Glass v3,

Corning Gorilla Glass v5,

Bezel-less display

with waterdrop notch

with punch-hole display

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Brightness

420 nits

450 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: 161.4 mm
Width: 76.7 mm
Thickness: 8.7 mm

Weight

188 grams

200 grams

Build Material

Back: Plastic

Colours

Midnight Blue, Raven Black

Pebble Grey, Arctic White, Aqua Green

Waterproof

, Splash proof

Camera
Very Good
Very Good
Main Camera
Camera Setup

Triple

Quad

Resolution

48 MP f/2.0 (upto 4x Digital Zoom) Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Wide Angle, 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 Primary Camera(2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Depth Camera(5.0" sensor size)

Sensor

CMOS image sensor

ISOCELL Plus

Autofocus

, Phase Detection 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

Continuos Shooting
High Dynamic Range mode (HDR)

Continuos 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
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 30 fps

3840x2160 @ 30 fps

Front Camera
Camera Setup

Single

Single

Resolution

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

13 MP f/2.25 Primary Camera(3" sensor size, 1.12µm pixel size)

Sensor

CMOS

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Battery
Excellent
Very Good
Capacity

6000 mAh

5020 mAh

Type

Li-ion

Li-ion

Removable

No

No

Quick Charging

, Fast, 15W

, Fast, 22.5W

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

Storage Type

UFS 2.1

eMMC 5.1

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

Network Support

4G (supports Indian bands), 3G, 2G

4G (supports Indian bands), 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) / 1900(band 2) / 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: 0.853 W/kg, Body: 0.433 W/kg

Wi-Fi

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

, Wi-Fi 802.11, a/b/g/n

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Calling

Bluetooth

, v5.0

, v5.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

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

Rear

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Price list

Rs. 14,499
Buy Now
Rs. 14,999
Buy Now

Rs. 13,990
Buy Now
Rs. 14,999
Buy Now

Not Available
Rs. 12,968
Buy Now
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