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Samsung Galaxy M21 vs OPPO A31 2020

Compare Samsung Galaxy M21

Rs. 12,499

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Compare OPPO A31 2020

Rs. 12,490

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Summary
84%
76%
Display

6.4" (16.26 cm)

1080x2340 px, 403 PPI

6.5" (16.51 cm)

720x1600 px, 270 PPI

Performance

Quad + Quad Core

2.3 GHz + 1.7 GHz, 4 GB RAM

Octa Core

2.3 GHz, 4 GB RAM

Storage

64 GB

512 GB (Expandable)

64 GB

256 GB (Expandable)

Camera

48 MP + 8 MP + 5 MP (Primary)

20 MP(Front)

12 MP + 2 MP + 2 MP (Primary)

8 MP(Front)

Battery

6000 mAh

4230 mAh

33 h talktime (3G)

Expert Rating

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 89,092 ratings

Read All User Reviews

★★★★★
★★★★★

4.3/5 based on 19,799 ratings

Read All User Reviews

Best Prices
Rs. 12,499 @Amazon Buy
Rs. 13,999 @Samsung... Buy
Rs. 14,699 @Paytm M... Buy
Rs. 10,990 @Flipkart Buy
Rs. 10,990 @happimo... Buy
Rs. 12,490 @Amazon Buy
General
Launch Date

March 18, 2020 (Official)

February 28, 2020 (Official)

Brand

Samsung

OPPO

Model

Galaxy M21

A31 2020

Operating System

Android v10 (Q)

Android v9.0 (Pie)

Custom UI

Samsung One UI

ColorOS

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

Network

4G: Available (supports Indian bands),
3G: Available, 2G: Available

4G: Available (supports Indian bands),
3G: Available, 2G: Available

Fingerprint Sensor

yes

yes

Quick Charging

yes Fast, 15W

Design
Size Compare
Size Compare
Dimensions

Height: 159 mm
Width: 75.1 mm
Thickness: 8.9 mm

Height: 163.9 mm
Width: 75.5 mm
Thickness: 8.3 mm

Weight

188 grams

180 grams

Build Material


Back: Plastic


Back: Plastic

Colours

Midnight Blue, Raven Black

Mystery Black, Fantasy White, Lake Green

Display
Very Good
Average
Screen Size

6.4 " (16.26 cm)

6.5 " (16.51 cm)

Screen Resolution

1080 x 2340 pixels

720 x 1600 pixels

Aspect Ratio

19.5:9

20:9

Bezel-less display

yes with waterdrop notch

yes with waterdrop notch

Pixel Density

403 ppi

270 ppi

Display Type

Super AMOLED

IPS LCD

Screen Protection

Corning Gorilla Glass v3

Corning Gorilla Glass v3

Touch Screen

yes Capacitive Touchscreen, Multi-touch

yes Capacitive Touchscreen, Multi-touch

Screen to Body Ratio (claimed by the brand)

91 %

89 %

Screen to Body Ratio (calculated)

84.02 %

82.43 %

Performance
Very Good
Good
Chipset

Samsung Exynos 9 Octa 9611

MediaTek Helio P35

Processor

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

Octa core, 2.3 GHz, Cortex A53

Architecture

64 bit

64 bit

Graphics

Mali-G72 MP3

PowerVR GE8320

RAM

4 GB

4 GB

Bootup Time (tested by 91mobiles)

23.0 s

28.0 s

Storage
Best in Class
Best in Class
Internal Memory

64 GB

64 GB

Expandable Memory

yes Up to 512 GB

yes Up to 256 GB

User Available Storage

Up to 49 GB

USB OTG Support

yes

yes

Camera
Very Good
Very Good
Main Camera
Camera Setup

Triple

Triple

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

12 MP f/1.8, Wide Angle Primary Camera(2.86" sensor size, 1.25µm pixel size)2 MP f/2.4, Depth Camera
2 MP f/2.4, Macro Camera(5.0" sensor size, 1.75µm pixel size)

Sensor

CMOS image sensor

Autofocus

yes Phase Detection autofocus

yes Phase Detection autofocus

Physical Aperture

F2.0

F1.8

Optical Image Stabilisation

no  No

Flash

yes LED Flash

yes LED Flash

Image Resolution

8000 x 6000 Pixels

4000 x 3000 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

Digital Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera
Camera Setup

Single

Single

Resolution

20 MP f/2.2 Primary Camera(26 mm focal length)

8 MP f/2.0 Primary Camera(4.0" sensor size, 1.12µm pixel size)

Sensor

CMOS

Autofocus

no  No

Physical Aperture

F2.2

F2.0

Flash

no  No

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Battery
Excellent
Very Good
Capacity

6000 mAh

4230 mAh

Type

Li-ion

Li-Polymer

User Replaceable

no  No

no  No

TalkTime

Up to 33 Hours(3G) / Up to 45 Hours(2G)

Quick Charging

yes Fast, 15W

USB Type-C

yes

no  No

Battery Charging Time (20% to 100%) (tested by 91mobiles)

02h 09m 47s

02h 24m 28s

Network & Connectivity
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

yes

yes

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) / 900(band 8) / 850(band 5)
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) / 900(band 8) / 850(band 5)
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

Wi-Fi

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

yes Wi-Fi 802.11, a/ac/b/g/n

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Bluetooth

yes v5.0

yes v5.0

GPS

yes with A-GPS, Glonass

yes with A-GPS, Glonass

NFC

no  No

no  No

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging, microUSB 2.0

Multimedia
Loudspeaker

yes

yes

Audio Jack

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Special Features
Fingerprint Sensor

yes

yes

Fingerprint Sensor Position

Rear

Rear

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Price list

Rs. 12,499
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Offer: 10% Instant Discount with SBI Credit Card

Rs. 12,490
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Offer: 10% Instant Discount with SBI Credit Card

Rs. 14,699
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Related Questions

Ask a Question
  • Does Samsung Galaxy M21 support OTG?

    K

    Answered By Kavya Rangan | 8 months ago

    Yes, the Samsung Galaxy M21 does support OTG but the user would have to buy a USB Type-C OTG cable.

    Check Full Device Specifications Samsung Galaxy M21

  • Does Samsung Galaxy M21 have a Knox security?

    A

    Answered By Anusha Mistry | 8 months 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 

  • Does Samsung Galaxy M21 support VoLTE in both the sim slot?

    N

    Answered By Nischal Chauhan | 8 months ago

    Yes, the Samsung Galaxy M21 does support VoLTE in both the SIMs and the device is also Dual Standby.

    Check Full Device Specifications Samsung Galaxy M21

  • Is Samsung Galaxy M21 waterproof?

    A

    Answered By Ayushi Veer | 8 months ago

    Samsung Galaxy M21 is a Budget Friendly Device.

    It does not come with Water proof, Splash Proof or any such related ratings.

    This is not quite surprising, because such ratings come with more High End devices.

    Also, do not forget to find all the detailed specifications and other latest updates related to Samsung Galaxy M21 here

  • Does Samsung Galaxy M21 have a headphone jack?

    D

    Answered By Deepit Madan | 8 months ago

    Yes, the Samsung Galaxy M21 does have a headphone jack of 3.5mm.

    The newer phones are getting rid of this jack and it is unfortunate actually.

    It's good the device comes with this jack.

    Check Full Device Specifications Samsung Galaxy M21

View all Popular Questions