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Samsung Galaxy A21s vs Samsung Galaxy M12

Summary
Performance

Samsung Exynos 8 Octa 850

4 GB RAM

Samsung Exynos 8 Octa 850

4 GB RAM

MediaTek Dimensity 6100 Plus

4 GB RAM

Display

6.5" (16.51 cm)

720x1600 px (HD+)

6.5" (16.51 cm)

720x1600 px (HD+)

6.5" (16.51 cm)

1080x2340 px (FHD+)

Rear Camera

48 MP + 8 MP + 2 MP + 2 MP

Quad Camera

48 MP + 5 MP + 2 MP + 2 MP

Quad Camera

50 MP + 5 MP + 2 MP

Triple Camera

Front Camera

13 MP

Single Camera

8 MP

Single Camera

13 MP

Single Camera

Battery

5000 mAh

54 h talktime (4G)

6000 mAh

58 h talktime (4G)

6000 mAh

Storage

64 GB

512 GB (Expandable)

64 GB

1 TB (Expandable)

128 GB

1 TB (Expandable)

Expert Rating

3.5/5

Read Expert Review

3.5/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 26,116 ratings

Read All User Reviews

★★★★★
★★★★★

4.1/5 based on 190,148 ratings

Read All User Reviews

Benchmarks

N/A

Compare Prices
Rs. 11,999 @Amazon Buy
Not available in any other store
Rs. 8,999 @Amazon Buy
Not available in any other store
Rs. 11,999 @Flipkart Buy
Not available in any other store
General
Launch Date

June 17, 2020 (Official)

March 17, 2021 (Official)

March 4, 2024 (Official)

Operating System

Android v10 (Q)

Android v11

Android v14

Custom UI

Samsung One UI

Samsung One UI

Samsung One UI

Performance
Good
Good
Good
Chipset

Samsung Exynos 8 Octa 850

Samsung Exynos 8 Octa 850

MediaTek Dimensity 6100 Plus

CPU

Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)

Octa core, 2 GHz, Cortex A55

Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

Architecture

64 bit

64 bit

64 bit

Graphics

Mali-G52 MP1

Mali-G52 MP1

Mali-G57 MC2

RAM

4 GB

4 GB

4 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Average
Average
Very Good
Display Type

PLS TFT LCD

PLS TFT LCD

Super AMOLED

Screen Size

6.5 " (16.51 cm)

6.5 " (16.51 cm)

6.5 " (16.51 cm)

Resolution

720x1600 px (HD+)

720x1600 px (HD+)

1080x2340 px (FHD+)

Aspect Ratio

20:9

20:9

20:9

Pixel Density

270 ppi

270 ppi

396 ppi

Screen to Body Ratio (calculated)

82.75 %

81.95 %

84.17 %

Bezel-less display

with punch-hole display

with notch

with notch

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Refresh Rate

60 Hz

90 Hz

90 Hz

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 163.7 mm
Width: 75.3 mm
Thickness: 8.9 mm

Height: 164 mm
Width: 75.9 mm
Thickness: 9.7 mm

Height: 160.1 mm
Width: 76.8 mm
Thickness: 9.3 mm

Weight

192 grams

221 grams

217 grams

Build Material

Back: Plastic

Back: Plastic

Colours

Black, Blue, White

Black, Blue, White

Ash Black, Groovy Violet, Jazzy Green

Camera
Main Camera
Camera Setup

Quad

Quad

Triple

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)2 MP f/2.4, Macro Camera
2 MP f/2.4, Depth Camera

48 MP f/2.0, Wide Angle (80° field-of-view), Primary Camera(2" sensor size, 0.8µm pixel size)5 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera
2 MP f/2.4, Depth Camera

50 MP f/1.8, Wide Angle, Primary Camera
5 MP f/2.2, Ultra-Wide Angle Camera
2 MP f/2.4, Macro Camera

Autofocus

, Phase Detection autofocus

OIS

No

No

No

Flash

, LED Flash

, LED Flash

, LED Flash

Image Resolution

8000 x 6000 Pixels

8000 x 6000 Pixels

8150 x 6150 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)
Macro Mode

Camera Features

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus

10 x Digital Zoom
Auto Flash
Face detection
Touch to focus

10 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Very Good
Good
Very Good
Camera Setup

Single

Single

Single

Resolution

13 MP f/2.2, Primary Camera(3.1" sensor size, 1.12µm pixel size)

8 MP f/2.2, Wide Angle, Primary Camera

13 MP f/2.0, Wide Angle, Primary Camera

Autofocus

No

No

No

Flash

No

No

No

Camera Features

Fixed Focus

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Battery
Very Good
Very Good
Very Good
Capacity

5000 mAh

6000 mAh

6000 mAh

Type

Li-ion

Li-ion

Li-ion

Removable

No

No

No

TalkTime

Up to 54 Hours(4G)

Up to 58 Hours(4G)

Quick Charging

, Fast, 15W

, Fast, 15W

, Fast, 25W

USB Type-C

Storage
Best in Class
Best in Class
Best in Class
Internal Memory

64 GB

64 GB

128 GB

Expandable Memory

, Up to 512 GB

, Up to 1 TB

, Up to 1 TB

User Available Storage

Up to 48.1 GB

Up to 48 GB

Up to 108 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano (Hybrid)

Network Support

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

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

5G 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) / 700(band 28) / 1900(band 2) / 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 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) / 1900(band 2) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
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) / 700(band 28) / 1900(band 2) / 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 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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
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: 0.831 W/kg

Head: 1.19 W/kg

Wi-Fi

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

, Wi-Fi 4 (802.11 b/g/n)

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

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v5.0

, v5.0

, v5.3

GPS

with A-GPS, Glonass

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

No

No

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging

Mass storage device, USB charging

Multimedia
FM Radio

, Recording option

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Rear

Side

Side

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Price list

Rs. 11,999
Buy Now
Rs. 8,999
Buy Now
Not Available

Not Available
Not Available
Rs. 11,999
Buy Now