Select City

Samsung Galaxy M21 vs Samsung galaxy M30s vs Mi A3

- Updated: 7th May 2020, 08:14 IST

Key Feature Comparison

Samsung Galaxy M21

Samsung Galaxy M30s

Show differences only

At a Glance

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 665, Adreno 610

6000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

4030 mAh

Li-ion, Quick, v3.0, 18W

6.4 inches

403 ppi, FHD

6.4 inches

403 ppi, FHD

6.08 inches

283 ppi

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps

Triple, 48MP + 8MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.4 inches

6.4 inches

6.08 inches

Screen Type

Super AMOLED

Super AMOLED

Super AMOLED

Screen Resolution

1080 x 2340 pixels

1080 x 2340 pixels

720 x 1560 pixels

Pixel Density

403 ppi

403 ppi

283 ppi

Aspect Ratio

19.5:9

19.5:9

19.5:9

Screen Protection

Gorilla Glass 3

No

Gorilla Glass 5

Screen to Body Ratio

91%

91%

82.15%

Screen Design

Waterdrop notch

Regular notch

Waterdrop notch

Screen Quality

FHD

FHD

-

Peak Brightness

420 nits

420 nits

-

Phone Variants

4GB 64GB, 6GB 128GB

4GB 64GB, 6GB 128GB, 4GB 128GB

4GB 64GB, 6GB 128GB

Expandable Storage

Yes

Yes

Yes

RAM Type

LPDDR4X

LPDDR4X

LPDDR4X

Storage Type

UFS 2.1

UFS 2.1

UFS 2.1

Expandable Storage Capacity

Yes, 512 GB

Yes, 512 GB

Yes, 256 GB

OTG Support

Yes

Yes

Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v10 (Q)

Android v9.0 (Pie)

Android v9.0 (Pie)

GPU

Mali-G72 MP3

Mali-G72 MP3

Adreno 610

Chipset

Samsung Exynos 9 Octa 9611

Samsung Exynos 9 Octa 9611

Qualcomm Snapdragon 665

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)

Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Custom User Interface

Samsung One UI

Samsung One UI

Android One

Clock Speed

2.3 GHz

2.3 GHz

2 GHz

Architecture

64 bit

64 bit

64 bit

Process Technology

10 nm

10 nm

11 nm

Battery Capacity

6000 mAh

6000 mAh

4030 mAh

Battery Removable

No

No

No

Battery Type

Li-ion

Li-ion

Li-ion

Charger Type

Fast, 15W

Fast, 15W

Quick, v3.0, 18W

USB Type-C

Yes

Yes

Yes

Fast Charging

Yes

Yes

Yes

Announced On

18-Mar-20

5-Sep-19

5-Jul-19

Market Status

Available

Out of Stock

Available

Brand

Samsung

Samsung

Xiaomi

Model Number

SM-M215FZKDINS

SM-M307FZWDINS

MZB7975IN

Price Status

Confirmed

Confirmed

Confirmed

Price

Rs. 13,499

Rs. 15,900

Rs. 13,499

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

Dolby Atmos

Active noise cancellation with dedicated mic

NFC

No

No

No

Network Support

4G

4G

4G

Bluetooth

Yes

Yes

Yes

3.5mm Audio Jack

Yes

Yes

Yes

SIM Size

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

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

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

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

Bluetooth Type

v5.0

v5.0

v5.0

Audio Jack

3.5 mm

3.5 mm

3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

eSIM

No

No

No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes

Yes

Yes

SIM 1 Bands

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:...

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:...

4G Bands: TD-LTE 2600(band 38) / 2300(band 40), 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) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 ...

SIM 2 Bands

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:...

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:...

4G Bands: TD-LTE 2600(band 38) / 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...

FM Radio

-

Yes

Yes

Front Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera Features

HDR

HDR

Fixed Focus

Front Camera Setup

Single, 20MP

Single, 16MP

Single, 32MP

Front Camera 1 Resolution

20 MP

16 MP

32 MP

Front Camera 1 Type

f/2.2 Primary Camera

f/2.0 Primary Camera

f/2.0 Primary Camera

Front Camera 1 Lens

26 mm focal length

-

26 mm focal length, 2.8" sensor size, 1.6 micrometre pixel size

Front Sensor

CMOS

-

-

Front Aperture

f/2.2

f/2.0

f/2.0

Front Flash

No

No

-

Weight

188 grams

188 grams

173.8 grams

Colors

Midnight Blue, Raven Black

Opal Black, Sapphire Blue, Pearl White

More than White, Not just Blue, Kind of Grey

Build

Back: Plastic

Back: Plastic

Back: Mineral Glass

Dimensions

159 x 75.1 x 8.9 mm

159 x 75.1 x 8.9 mm

153.4 x 71.85 x 8.4 mm

SAR Value

Head: 0.468 W/kg

Head: 0.486 W/kg

Head: 0.527 W/kg, Body: 0.722 W/kg

OIS

No

No

No

Rear Flash

Yes, LED Flash

Yes, LED Flash

Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

3840x2160 @ 30 fps

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

Rear Camera Features

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

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

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

Rear Camera Setup

Triple, 48MP + 8MP + 5MP

Triple, 48MP + 8MP + 5MP

Triple, 48MP + 8MP + 2MP

Rear Camera 1 Resolution

48 MP

48 MP

48 MP

Rear Camera 1 Type

f/2.0 (upto 4x Digital Zoom) Primary Camera

f/2.0 (upto 4x Digital Zoom), Wide Angle (80 degree field-of-view) Primary Camera

f/1.79 (upto 2x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2" sensor size, 0.8 micrometre pixel size

2" sensor size, 0.8 micrometre pixel size

2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

8 MP

8 MP

8 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera

f/2.2, Wide Angle, Ultra-Wide Angle Camera

f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 2 Lens

12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

-

13 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

Rear Camera 3 Resolution

5 MP

5 MP

2 MP

Rear Camera 3 Type

f/2.2, Depth Camera

f/2.2, Depth Camera

f/2.4, Depth Camera

Rear Sensor

CMOS image sensor

ISOCELL Plus

Exmor-RS CMOS Sensor

Rear Aperture

f/2.0

f/2.0

f/1.79

Fingerprint Scanner

Yes

Yes

Yes

Fingerprint Scanner Position

Rear

Rear

On-Screen

Face Unlock

Yes

Yes

Yes

You May Also Read

Google Mobile Phone Price List
POCO Mobile Price List
Huawei Mobile Price List
LG Mobile Price List
Motorola Mobile Price List

Recent News

Google Pixel 9 Renders Leak, Will Skip Out On This Major Feature
28th Mar 2024
Realme 12x To Have Price Of Less Than Rs.12,000, Features Teased
28th Mar 2024
Poco C61 Goes On Sale Starting At An Attractive Price Of Rs.6,999
28th Mar 2024
BGMI 3.1 Update Released: Download Size, New Features & More!
28th Mar 2024
Motorola Edge 50 Fusion Renders Leak, Could Launch In India Soon
27th Mar 2024

Tips & Tricks

How To Find A Lost iPhone: Tips And Tricks
27th Mar 2024
How To Block SIM Card On Jio / Airtel / Vi And More!
26th Mar 2024
Connect To Wi-Fi Without Password: A Comprehensive Guide
22nd Mar 2024
Here’s How You Can Get Temporary iCloud Storage When You Move to New iPhone for Smooth Transition
20th Mar 2024
How To Prevent Spam Messages On WhatsApp?
20th Mar 2024

Popular Leaks

iQOO and POCO to Enter Offline Market in India; Here’s When
23rd Nov 2021
Here’s How You Can Claim OnePlus 3, 3T, 5, 5T, 6, 6T Free Battery Replacement Offer in India
27th Aug 2021
iPhone 16 Leak Reveals It Will Feature A Massive Design Overhaul
6th Feb 2024
Google Pixel 8 Series Pricing Leak Ahead Of Launch
25th Sep 2023
OnePlus Open Price In India Leaked Ahead Of Launch
15th Oct 2023