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Samsung Galaxy A31 vs Samsung Galaxy A21s

Summary
83%
76%
Display

6.4" (16.26 cm)

1080x2400 px, 411 PPI

6.5" (16.51 cm)

720x1600 px, 270 PPI

Camera

48 MP + 8 MP + 5 MP + 5 MP (Primary)

20 MP(Front)

48 MP + 8 MP + 2 MP + 2 MP (Primary)

13 MP(Front)

Battery

5000 mAh

33 h talktime (4G)

5000 mAh

54 h talktime (4G)

Performance

Dual + Hexa Core

2 GHz + 1.7 GHz, 6 GB RAM

Quad + Quad Core

2 GHz + 2 GHz, 4 GB RAM

Storage

128 GB

512 GB (Expandable)

64 GB

512 GB (Expandable)

Expert Rating

★★★★★
★★★★★

Read Expert Review

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.3/5 based on 16,209 ratings

Read All User Reviews

★★★★★
★★★★★

4.2/5 based on 25,020 ratings

Read All User Reviews

Best Prices
Rs. 16,999 @Croma Buy
Rs. 16,999 @Flipkart Buy
Not available in any other store
Rs. 14,798 @Tata CL... Buy
Rs. 14,999 @Croma Buy
Rs. 14,999 @Flipkart Buy
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General
Launch Date

June 4, 2020 (Official)

June 17, 2020 (Official)

Operating System

Android v10 (Q)

Android v10 (Q)

Custom UI

Samsung One UI

Samsung One UI

Performance
Very Good
Good
Chipset

MediaTek Helio P65

Samsung Exynos 8 Octa 850

CPU

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

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

Architecture

64 bit

64 bit

Fabrication

12 nm

8 nm

Graphics

Mali-G52

Mali-G52 MP1

RAM

6 GB

4 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Very Good
Average
Display Type

Super AMOLED

PLS TFT LCD

Screen Size

6.4 " (16.26 cm)

6.5 " (16.51 cm)

Resolution

1080 x 2400 pixels

720 x 1600 pixels

Aspect Ratio

20:9

20:9

Pixel Density

411 ppi

270 ppi

Screen to Body Ratio (calculated)

84.92 %

82.75 %

Bezel-less display

with notch

with punch-hole display

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Refresh Rate

60 Hz

60 Hz

Design
Size Compare
Size Compare
Dimensions

Height: 159.3 mm
Width: 73.1 mm
Thickness: 8.6 mm

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

Weight

185 grams

192 grams

Build Material

Back: Plastic

Colours

Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White

Black, Blue, White

Camera
Very Good
Very Good
Main Camera
Camera Setup

Quad

Quad

Resolution

48 MP f/2.0 (upto 8x 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
5 MP f/2.4, Macro Camera
5 MP f/2.4, Depth Camera

48 MP f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Wide Angle, 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

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

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Camera Setup

Single

Single

Resolution

20 MP f/2.2 Primary Camera

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

Autofocus

No

No

Flash

No

No

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Battery
Very Good
Very Good
Capacity

5000 mAh

5000 mAh

Type

Li-ion

Li-ion

Removable

No

No

TalkTime

Up to 33 Hours(4G)

Up to 54 Hours(4G)

Quick Charging

, Fast, 15W

, Fast, 15W

USB Type-C

Storage
Best in Class
Best in Class
Internal Memory

128 GB

64 GB

Expandable Memory

, Up to 512 GB

, Up to 512 GB

User Available Storage

Up to 104 GB

Up to 48.1 GB

USB OTG

Storage Type

eMMC 5.1

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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 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) / 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..

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) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 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) / 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..

SAR Value

Head: 1.13 W/kg

Head: 0.831 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

Wi-Fi Calling

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
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

On-screen

Rear

Fingerprint Sensor Type

Optical

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

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