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Mobiles› Compare Mobile Phones› Samsung Galaxy A21 vs Samsung Galaxy A51

Samsung Galaxy A21 vs Samsung Galaxy A51

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Samsung Galaxy A21 X
Compare Samsung Galaxy A21

Rs. 18,900
(Not Released)

 

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Samsung Galaxy A51 X
Compare Samsung Galaxy A51

Rs. 20,999

buy Now >

Summary
76%
82%
Display

6.5" (16.51 cm)

720x1600 px, 270 PPI

6.5" (16.51 cm)

1080x2400 px, 405 PPI

Camera

16 MP + 8 MP + 2 MP + 2 MP (Primary)

13 MP(Front)

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

32 MP(Front)

Battery

4000 mAh

4000 mAh

32 h talktime (4G)

Performance

Octa Core

2.3 GHz, 3 GB RAM

Quad + Quad Core

2.3 GHz + 1.7 GHz, 6 GB RAM

Storage

32 GB

512 GB (Expandable)

128 GB

512 GB (Expandable)

Expert Rating

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.3/5 based on 12,288 ratings

Read All User Reviews

Best Prices
Samsung Galaxy A21 is currently not available in any online store.
Notify me when it's available
Rs. 20,999 @Flipkart Buy
Rs. 20,999 @Tata CL... Buy
Rs. 20,999 @Samsung... Buy
SEE ALL PRICES
General
Launch Date

January 29, 2020 (Official)

Operating System

Android v10 (Q)

Android v10 (Q)

Custom UI

Samsung One UI

Performance
Good
Very Good
Chipset

MediaTek Helio P35

Samsung Exynos 9 Octa 9611

CPU

Octa core, 2.3 GHz, Cortex A53

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

Architecture

64 bit

64 bit

Fabrication

12 nm

10 nm

Graphics

PowerVR GE8320

Mali-G72 MP3

RAM

3 GB

6 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Good
Very Good
Display Type

Super AMOLED

Super AMOLED

Screen Size

6.5 " (16.51 cm)

6.5 " (16.51 cm)

Resolution

720 x 1600 pixels

1080 x 2400 pixels

Aspect Ratio

20:9

20:9

Pixel Density

270 ppi

405 ppi

Screen to Body Ratio (calculated)

79.26 %

87.44 %

Screen Protection

Corning Gorilla Glass v3,

Bezel-less display

with punch-hole display

with punch-hole display

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Size Compare
Dimensions

Height: 167.8 mm
Width: 76.7 mm
Thickness: 8.1 mm

Height: 158.5 mm
Width: 73.6 mm
Thickness: 7.9 mm

Weight

193 grams

172 grams

Build Material

Back: Plastic

Back: Plastic

Colours

Black

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

Camera
Good
Very Good
Main Camera
Camera Setup

Quad

Quad

Resolution

16 MP Primary Camera
8 MP, Wide Angle, Ultra-Wide Angle Camera
2 MP, Macro Camera
2 MP, 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

ISO-CELL

Autofocus

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

4616 x 3464 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

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

Front Camera
Camera Setup

Single

Single

Resolution

13 MP Primary Camera

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

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps

Battery
Very Good
Very Good
Capacity

4000 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

32 GB

128 GB

Expandable Memory

, Up to 512 GB

, Up to 512 GB

User Available Storage

Up to 106 GB

Storage Type

eMMC 5.1

UFS 2.0

USB OTG

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 2300(band 40)
FD-LTE 1800(band 3)
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) / 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 2300(band 40)
FD-LTE 1800(band 3)
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) / 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: 0.598 W/kg

Wi-Fi

, Wi-Fi 802.11, b/g/n

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

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v5.0

, v5.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

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

On-screen

Fingerprint Sensor Type

Optical

Other Sensors

Light sensor, Proximity sensor, Accelerometer

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Price list

Not Available
Rs. 20,999
Buy Now

Not Available
Rs. 20,999
Buy Now
Offer: 5% Cashback on Flipkart Axis Bank Card.  View All Offers
Offersx

1. 5% Cashback on Flipkart Axis Bank Card.

2. 10% Off on BOB Mastercard debit card.

3. Flat 5000 Off.

4. Get Google Nest Hub (Chalk).

5. Get Google Nest mini at 1,999.

6. No Cost EMI on Bajaj Finserv.

7. No Cost EMI on Credit and Debit Card.

8. Extra 10% Off on selected Woodland Shoes.

9. No Cost EMI on Flipkart Axis Bank Credit Card.

Not Available
Rs. 20,999
Buy Now

Not Available
Rs. 21,490
Buy Now

Related Comparisons

Related Questions

Ask a Question

  • 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

  • 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 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

  • How to enable Google Assistant in Samsung Galaxy A51 ?

    P

    Answered By Pavithra Subramanium | 1 years ago

    You can enable Google Assistant by long-pressing the Home Button or saying "Ok Google".

    Google will be there to help you.

    To Enable "OK Google" voice Recognition you need to follow below steps:
    1. Go to the "Google" App.
    2. Select "Setting" from the bottom right.
    3. Go to "Voice" and then "Voice Match"
    4. Choose when you want Google to listen to "Ok Google" and set it up by repeating it 3 times.
    Make sure, Google Play Services and Google App is up to date.

    You can see the video on how to enable:

    You can see detailed specs of the phone here: Samsung Galaxy A51
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