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Mobiles› Compare Mobile Phones› Samsung Galaxy M21 vs Samsung Galaxy A51

Samsung Galaxy M21 vs Samsung Galaxy A51

Compare by :
Summary
83%
82%
Display

6.4" (16.26 cm)

1080x2340 px, 403 PPI

6.5" (16.51 cm)

1080x2400 px, 405 PPI

Camera

48 MP + 8 MP + 5 MP (Primary)

20 MP(Front)

48 MP + 12 MP + 5 MP + 5 MP (Primary)

32 MP(Front)

Battery

6000 mAh

4000 mAh

32 h talktime (4G)

Performance

Quad + Quad Core

2.3 GHz + 1.7 GHz, 4 GB RAM

Quad + Quad Core

2.3 GHz + 1.7 GHz, 6 GB RAM

Storage

64 GB

512 GB (Expandable)

128 GB

512 GB (Expandable)

Expert Rating

★★★★★
★★★★★

Read Expert Review

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 164,074 ratings

Read All User Reviews

★★★★★
★★★★★

4.3/5 based on 12,085 ratings

Read All User Reviews

Best Prices
Rs. 12,149 @Samsung... Buy
Rs. 13,748 @Tata CL... Buy
Rs. 15,445 @Flipkart Buy
Rs. 20,999 @Flipkart Buy
Rs. 20,999 @Samsung... Buy
Rs. 21,499 @Amazon Buy
SEE ALL PRICES
General
Launch Date

March 18, 2020 (Official)

January 29, 2020 (Official)

Operating System

Android v10 (Q)

Android v10 (Q)

Custom UI

Samsung One UI

Samsung One UI

Performance
Very Good
Very Good
Chipset

Samsung Exynos 9 Octa 9611

Samsung Exynos 9 Octa 9611

CPU

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

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

Architecture

64 bit

64 bit

Fabrication

10 nm

10 nm

Graphics

Mali-G72 MP3

Mali-G72 MP3

RAM

4 GB

6 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Very Good
Very Good
Display Type

Super AMOLED

Super AMOLED

Screen Size

6.4 " (16.26 cm)

6.5 " (16.51 cm)

Resolution

1080 x 2340 pixels

1080 x 2400 pixels

Aspect Ratio

19.5:9

20:9

Pixel Density

403 ppi

405 ppi

Screen to Body Ratio (calculated)

84.02 %

87.44 %

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

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: 158.5 mm
Width: 73.6 mm
Thickness: 7.9 mm

Weight

188 grams

172 grams

Build Material

Back: Plastic

Back: Plastic

Colours

Midnight Blue, Raven Black

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue

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/2.0 (upto 8x Digital Zoom) Primary Camera(26 mm focal length, 2.25" sensor size, 0.8µm pixel size)12 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera
5 MP f/2.4, Macro Camera
5 MP f/2.2, Depth Camera

Sensor

CMOS image sensor

ISO-CELL

Autofocus

, Phase Detection autofocus

OIS

No

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)

Camera Features

4 x Digital Zoom
Auto Flash
Face detection
Touch to focus

8 x 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)

32 MP f/2.2 Primary Camera(2.8" sensor size, 0.8µm pixel size)

Sensor

CMOS

Autofocus

No

No

Flash

No

No

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Battery
Excellent
Very Good
Capacity

6000 mAh

4000 mAh

Type

Li-ion

Li-ion

Removable

No

No

TalkTime

Up to 32 Hours(4G)

Quick Charging

, Fast, 15W

, Fast, 15W

USB Type-C

Storage
Best in Class
Best in Class
Internal Memory

64 GB

128 GB

Expandable Memory

, Up to 512 GB

, Up to 512 GB

User Available Storage

Up to 49 GB

Up to 106 GB

USB OTG

Storage Type

UFS 2.1

UFS 2.0

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 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 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) / 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 13) / 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: 0.468 W/kg

Head: 0.598 W/kg

Wi-Fi

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

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

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

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

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Rear

On-screen

Fingerprint Sensor Type

Optical

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Price list

Rs. 13,748
Buy Now
Rs. 21,999
Buy Now

Rs. 15,445
Buy Now
Offer: 5% Cashback on Flipkart Axis Bank Card.  View All Offers
Offersx

1. 5% Cashback on Flipkart Axis Bank Card.

2. 20%off on 1st txn with Amex Network Cards T&C.

3. 10% Off on BOB Mastercard debit card.

4. Get Google Nest mini.

5. Get a Google Nest Hub.

6. 10% Off on ICICI Mastercard Credit Card.

7. 100 Off on First Pay Later Transaction.
Rs. 20,999
Buy Now
Offer: 10% off on Citi Credit and Debit Cards.  View All Offers
Offersx

1. 10% off on Citi Credit and Debit Cards.

2. Extra Flat 500 Off on Citi Credit EMI Txns.

3. 5% Cashback on Flipkart Axis Bank Card.

4. Flat 5000 Off.

5. Get Google Nest mini.

6. Get a Google Nest Hub.

7. No Cost EMI on Bajaj Finserv.

8. No Cost EMI on Credit and Debit Cards.

9. 20%off on 1st txn with Amex Network Cards T&C.

10. 10% Off on BOB Mastercard debit card.

11. 10% Off on ICICI Mastercard Credit Card.

12. 100 Off on First Pay Later Transaction.

Rs. 12,149
Buy Now
Rs. 20,999
Buy Now

Not Available
Rs. 21,499
Buy Now

Related Comparisons

Related Questions

Ask a Question

  • What is the screen refresh rate of Samsung Galaxy A51?

    M

    Answered By Mahesh Saxena | 1 years ago

    The screen refresh rate of the Samsung Galaxy A51 is the usual 60 Hz which is also great keeping the display specifications in mind.

    Check Full Device Specifications Samsung Galaxy A51

  • How to record calls on Samsung Galaxy A51 ?

    N

    Answered By Nikhil Sengupta | 1 years ago

    To record calls on Your phone Follow the steps below:


    1. Download the ACR call recording app from the play store
    2. Then Follow the instructions from the app and allow all the access to the app as shown in the Image below
    3. Then Tap the three bar on the top left of the app.
    4. There you will find the Enable option on the top.
    5. Enable it and enjoy the app.


    You can check the complete specs of this phone:



    You can also check this video for more detailed information: Samsung Galaxy A51

  • How to cast my Samsung Galaxy A51 screen on TV ?

    M

    Answered By Maheshwar Rao | 1 years ago

    To cast your phone screen on your TV you need to have Chromecast.
    Follow the steps to successfully cast your screen-

    Before you begin casting

    1. Connect your phone to a Wi-Fi network.
    2. The mobile device, tablet or computer you are using to cast must be on the same Wi-Fi network as your Chromecast.
    3. You must be running the latest version of the Chromecast-enabled app. You can always double check that you are on the latest version by visiting the Google Play Store.



     

    Cast from Chromecast-enabled apps to your TV

    1. Make sure that the phone you are using to cast is on the same Wi-Fi network as your Chromecast or TV with Chromecast built-in.
    2. Open a Chromecast-enabled app.
    3. Tap the Cast button Inactive cast extension.

      Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.

    4. Tap the device you'd like to cast to.


    5. When you're connected, the Cast button will turn color, letting you know you're connected.
    6. Select the app like Youtube, Browser, Google Music etc and look for the Cast icon as shown in the image below.

    You can now cast videos, movies and TV shows directly to your TV.
    To stop casting, tap the Cast button and then Disconnect.
    You can also watch this step-by-step guide to do the same


    You can check more details here : Samsung Galaxy A51

  • Does Samsung Galaxy M21 have a Knox security?

    A

    Answered By Anusha Mistry | 1 years ago

    Yes, the Samsung Galaxy M21 does have the Knox security which means a set of features and pre-installed apps in the device.

    Check Full Device Specifications Samsung Galaxy M21 

  • How to increase the speed of Samsung Galaxy A51 ?

    P

    Answered By Prabal Manju | 1 years ago

    To Increase the speed of your slow Android phone here is the guide to speed it up in 5 Minutes

    1. Close all your unused apps.
      1. Closing all the apps which you are not using saves a lot of memory usages which can be utilized by other apps to make it run faster.
    2. Clean all the app cache
      1. Download Clean Master software from the Play store (here)
      2. Press Junk Files and let it do its work 
      3. After that press on Phone Boost option.
    3. Disable the Animations
      1. Go to "Settings"
      2. Then Go to "About phone"
      3. Tap on " Build Number" 7 times.
      4. Then Go back to settings and Tap on " Developer Option"
      5. Scroll Down to "Windows Animation Scale". as shown in the Image below
      6. Tap on "Animation Off".

    You can also check the most popular video on youtube to speed up your Android without installing any software:

    You can check the complete specs of this phone: Samsung Galaxy A51

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