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Samsung Galaxy A22 vs Xiaomi Redmi Note 9 vs Samsung Galaxy M21

Key Feature Comparison

7.2

Samsung Galaxy A22

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7.2

Xiaomi Redmi Note 9

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6.8

Samsung Galaxy M21

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At a Glance

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Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)

MediaTek Helio G80, Mali-G52 MC2

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

MediaTek Helio G85, Mali-G52

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

5000 mAh

Li-ion, Fast, 15W

5020 mAh

Li-ion, Fast, 22.5W

6000 mAh

Li-ion, Fast, 15W

16.26 cm (6.4 inch)

274 ppi, HD

16.59 cm (6.53 inch)

395 ppi, FHD

16.26 cm (6.4 inch)

403 ppi, FHD

Quad, 48MP + 8MP + 2MP + 2MP

1920x1080 @ 30 fps

Quad, 48MP + 8MP + 2MP + 2MP

3840x2160 @ 30 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

16.26 cm (6.4 inch)
16.59 cm (6.53 inch)
16.26 cm (6.4 inch)

Screen Type

Super AMOLED
IPS LCD
Super AMOLED

Screen Resolution

720 x 1600 pixels
1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

274 ppi
395 ppi
403 ppi

Aspect Ratio

20:09
19.5:9
19.5:9

Screen to Body Ratio

84.35%
84.37%
91%

Screen Design

Regular notch
Punch hole
Waterdrop notch

Screen Refresh Rate

90 Hz
60 Hz
-

Screen Quality

HD
FHD
FHD

Screen Protection

-
Gorilla Glass 5
Gorilla Glass 3

Peak Brightness

-
450 nits
420 nits

Phone Variants

6GB 128GB
4GB 64GB, 6GB 128GB, 4GB 128GB
4GB 64GB, 6GB 128GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
eMMC 5.1
UFS 2.1

Expandable Storage Capacity

Yes, 1 TB
Yes, 512 GB
Yes, 512 GB

OTG Support

Yes
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v11
Android v10 (Q)
Android v10 (Q)

GPU

Mali-G52 MC2
Mali-G52
Mali-G72 MP3

Chipset

MediaTek Helio G80
MediaTek Helio G85
Samsung Exynos 9 Octa 9611

CPU

Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Octa core (2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI
MIUI
Samsung One UI

Clock Speed

2 GHz
2 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
12 nm
10 nm

Battery Capacity

5000 mAh
5020 mAh
6000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 15W
Fast, 22.5W
Fast, 15W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

28-Jun-21
30-Apr-20
18-Mar-20

Market Status

Available
Available
Available

Brand

Samsung
Xiaomi
Samsung

Model Number

SM-A225FLGRINS
M2003J15SI/MZB082EIN
SM-M215FZKDINS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 18,499
Rs. 10,999
Rs. 13,499

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Dolby Atmos
-
Dolby Atmos

NFC

No
Yes
No

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

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

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

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) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...
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...
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:...

SIM 2 Bands

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) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...
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...
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:...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Setup

Single, 13MP
Single, 13MP
Single, 20MP

Front Camera 1 Resolution

13 MP
13 MP
20 MP

Front Camera 1 Type

f/2.2, Wide Angle Primary Camera
f/2.25 Primary Camera
f/2.2 Primary Camera

Front Aperture

f/2.2
f/2.25
f/2.2

Front Flash

No
-
No

Front Camera Features

-
HDR, panorama
HDR

Front Camera 1 Lens

-
3" sensor size, 1.12 micrometre pixel size
26 mm focal length

Weight

186 grams
200 grams
188 grams

Colors

Black, Mint
Pebble Grey, Arctic White, Aqua Green
Midnight Blue, Raven Black

Build

Back: Plastic
Glass front (Gorilla Glass 5), plastic frame
Back: Plastic

Dimensions

159.3 x 73.6 x 8.4 mm
161.4 x 76.7 x 8.7 mm
159 x 75.1 x 8.9 mm

SAR Value

-
Head: 0.853 W/kg, Body: 0.433 W/kg
Head: 0.468 W/kg

OIS

Yes
-
No

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps
3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Rear Camera Features

10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 48MP + 8MP + 2MP + 2MP
Quad, 48MP + 8MP + 2MP + 2MP
Triple, 48MP + 8MP + 5MP

Rear Camera 1 Resolution

48 MP
48 MP
48 MP

Rear Camera 1 Type

f/1.8 (upto 10x Digital Zoom), Wide Angle (80 degree field-of-view) Primary Camera
f/1.79 Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera

Rear Camera 2 Resolution

8 MP
8 MP
8 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 2 Lens

4.0" sensor size, 1.12 micrometre pixel size
4.0" sensor size
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

Rear Camera 3 Resolution

2 MP
2 MP
5 MP

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.2, Depth Camera

Rear Camera 4 Resolution

2 MP
2 MP
-

Rear Camera 4 Type

f/2.4, Depth Camera
f/2.4, Depth Camera
-

Rear Aperture

f/1.8
f/1.79
f/2.0

Rear Camera 1 Lens

-
2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size

Rear Camera 3 Lens

-
1.75 micrometre pixel size
-

Rear Camera 4 Lens

-
5.0" sensor size
-

Rear Sensor

-
ISOCELL Plus
CMOS image sensor

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Side
Rear
Rear

Face Unlock

-
Yes
Yes
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