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Xiaomi Redmi Note 9 vs Samsung Galaxy A21S vs Samsung Galaxy M30

- Updated: 8th Sep 2020, 23:55 IST

Key Feature Comparison

Xiaomi Redmi Note 9

Samsung Galaxy A21s

Samsung Galaxy M30

Show differences only

At a Glance

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

MediaTek Helio G85, Mali-G52

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

Samsung Exynos 8 Octa 850, Mali-G52 MP1

Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)

Samsung Exynos 7 Octa 7904, Mali-G71 MP2

5020 mAh

Li-ion, Fast, 22.5W

5000 mAh

Li-ion, Fast, 15W

5000 mAh

Li-Polymer, Fast, 15W

6.53 inches

395 ppi, FHD

6.5 inches

270 ppi

6.4 inches

394 ppi, FHD

Quad, 48MP + 8MP + 2MP + 2MP

3840x2160 @ 30 fps

Quad, 48MP + 8MP + 2MP + 2MP

1920x1080 @ 30 fps

Triple, 13MP + 5MP + 5MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.53 inches

6.5 inches

6.4 inches

Screen Type

IPS LCD

TFT

Super AMOLED

Screen Resolution

1080 x 2340 pixels

720 x 1600 pixels

1080 x 2280 pixels

Pixel Density

395 ppi

270 ppi

394 ppi

Aspect Ratio

19.5:9

20:09

19.5:9

Screen Protection

Gorilla Glass 5

-

-

Screen to Body Ratio

84.37%

82.75%

90%

Screen Design

Punch hole

Punch hole

Regular notch

Screen Refresh Rate

60 Hz

-

-

Screen Quality

FHD

-

FHD

Peak Brightness

450 nits

-

-

Phone Variants

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

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

4GB 64GB, 3GB 32GB, 6GB 128GB

Expandable Storage

Yes

Yes

Yes

RAM Type

LPDDR4X

LPDDR4X

LPDDR4X

Storage Type

eMMC 5.1

eMMC 5.1

eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB

Yes, 512 GB

Yes, 512 GB

OTG Support

Yes

Yes

Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v10 (Q)

Android v10 (Q)

Android v8.1 (Oreo)

GPU

Mali-G52

Mali-G52 MP1

Mali-G71 MP2

Chipset

MediaTek Helio G85

Samsung Exynos 8 Octa 850

Samsung Exynos 7 Octa 7904

CPU

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

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

Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)

Custom User Interface

MIUI

Samsung One UI

-

Clock Speed

2 GHz

2 GHz

1.8 GHz

Architecture

64 bit

64 bit

64 bit

Process Technology

12 nm

8 nm

14 nm

Battery Capacity

5020 mAh

5000 mAh

5000 mAh

Battery Removable

No

No

No

Battery Type

Li-ion

Li-ion

Li-Polymer

Charger Type

Fast, 22.5W

Fast, 15W

Fast, 15W

USB Type-C

Yes

Yes

Yes

Fast Charging

Yes

Yes

Yes

Announced On

30-Apr-20

15-May-20

5-Feb-19

Market Status

Available

Available

Available

Brand

Xiaomi

Samsung

Samsung

Model Number

M2003J15SI/MZB082EIN

SM-A217FZB1INS/SM-A217FZBGINS/SM-A217FZB5INS

SM-M305FZBDINS

Price Status

Confirmed

Confirmed

Confirmed

Price

Rs. 10,999

Rs. 13,999

Rs. 14,999

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Yes A-GPS, Glonass

NFC

Yes

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

Wi-Fi

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

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

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

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, Dual VoLTE

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 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...

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...

4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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...

SIM 2 Bands

4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 850(band 5), 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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...

4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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...

Water Resistance

Yes, Splash proof

-

-

Weight

200 grams

192 grams

174 grams

Colors

Pebble Grey, Arctic White, Aqua Green

Black, Blue, White

Gradation Black, Gradation Blue

Build

Glass front (Gorilla Glass 5), plastic frame

Back: Plastic

Back: Plastic

Dimensions

161.4 x 76.7 x 8.7 mm

163.7 x 75.3 x 8.9 mm

159 x 75.1 x 8.5 mm

SAR Value

Head: 0.853 W/kg, Body: 0.433 W/kg

Head: 0.831 W/kg

Head: 0.409 W/kg

Front Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera Features

HDR, panorama

-

HDR

Front Camera Setup

Single, 13MP

Single, 13MP

Single, 16MP

Front Camera 1 Resolution

13 MP

13 MP

16 MP

Front Camera 1 Type

f/2.25 Primary Camera

f/2.2 Primary Camera

f/2.0 Primary Camera

Front Camera 1 Lens

3" sensor size, 1.12 micrometre pixel size

3.1" sensor size, 1.12 micrometre pixel size

-

Front Aperture

f/2.25

f/2.2

f/2.0

Front Flash

-

No

No

Rear Flash

Yes, LED Flash

Yes, LED Flash

Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Rear Camera Features

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

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

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

Rear Camera Setup

Quad, 48MP + 8MP + 2MP + 2MP

Quad, 48MP + 8MP + 2MP + 2MP

Triple, 13MP + 5MP + 5MP

Rear Camera 1 Resolution

48 MP

48 MP

13 MP

Rear Camera 1 Type

f/1.79 Primary Camera

f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera

f/1.9 Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size

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

-

Rear Camera 2 Resolution

8 MP

8 MP

5 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, Depth Camera

Rear Camera 2 Lens

4.0" sensor size

4.0" sensor size, 1.12 micrometre pixel size

-

Rear Camera 3 Resolution

2 MP

2 MP

5 MP

Rear Camera 3 Type

f/2.4, Macro Camera

f/2.4, Macro Camera

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

Rear Camera 3 Lens

1.75 micrometre pixel size

-

12 mm focal length

Rear Camera 4 Resolution

2 MP

2 MP

-

Rear Camera 4 Type

f/2.4, Depth Camera

f/2.4, Depth Camera

-

Rear Camera 4 Lens

5.0" sensor size

-

-

Rear Sensor

ISOCELL Plus

-

CMOS image sensor

Rear Aperture

f/1.79

f/2.0

f/1.9

OIS

-

No

No

Fingerprint Scanner

Yes

Yes

Yes

Fingerprint Scanner Position

Rear

Rear

Rear

Face Unlock

Yes

Yes

Yes

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