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Samsung Galaxy A21 vs Samsung Galaxy A51

Compare Samsung Galaxy A21

Rs. 18,900
(Not Released in India)

 

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Compare Samsung Galaxy A51

Rs. 25,999
(Out of Stock)

 

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Summary
73%
79%
Performance

MediaTek Helio P35

3 GB RAM

Samsung Exynos 9 Octa 9611

6 GB RAM

Display

6.5" (16.51 cm)

720x1600 px (HD+)

6.5" (16.51 cm)

1080x2400 px (FHD+)

Rear Camera

16 MP + 8 MP + 2 MP + 2 MP

Quad Camera

48 MP + 12 MP + 5 MP + 5 MP

Quad Camera

Front Camera

13 MP

Single Camera

32 MP

Single Camera

Battery

4000 mAh

4000 mAh

32 h talktime (4G)

Storage

32 GB

512 GB (Expandable)

128 GB

512 GB (Expandable)

Expert Rating

4.0/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.3/5 based on 13,285 ratings

Read All User Reviews

Benchmarks

N/A

Compare Prices
Samsung Galaxy A21 is permanently discontinued.
Not Available in any store
Notify me when it's available
General
Launch Date

January 29, 2020 (Official)

Operating System

Android v10 (Q)

Android v10 (Q)

Custom UI

Samsung One UI

Performance
Good
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

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

720x1600 px (HD+)

1080x2400 px (FHD+)

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

Refresh Rate

60 Hz

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
Main Camera
Camera Setup

Quad

Quad

Resolution

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

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

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

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous 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
Very Good
Very Good
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
Good
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

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

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

5G Not Supported in India, 4G Supported in India, 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 4 (802.11 b/g/n)

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