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Samsung Galaxy M21 vs Xiaomi Redmi Note 8 vs Infinix Note 8

Key Feature Comparison

6.8

Samsung Galaxy M21

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7.1

Redmi Note 8

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5.2

Infinix Note 8

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At a Glance

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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

Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)

MediaTek Helio G80, Mali-G52 MC2

6000 mAh

Li-ion, Fast, 15W

4000 mAh

Li-Polymer, Fast, 18W

5200 mAh

Li-ion, Fast, 18W

16.26 cm (6.4 inch)

403 ppi, FHD

16.00 cm (6.3 inch)

409 ppi, FHD

17.65 cm (6.95 inch)

258 ppi, HD

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

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

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Triple, 64MP + 2MP + 2MP

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

16.26 cm (6.4 inch)
16.00 cm (6.3 inch)
17.65 cm (6.95 inch)

Screen Type

Super AMOLED
IPS LCD
IPS LCD

Screen Resolution

1080 x 2340 pixels
1080 x 2340 pixels
720 x 1640 pixels

Pixel Density

403 ppi
409 ppi
258 ppi

Aspect Ratio

19.5:9
19.5:9
-

Screen Protection

Gorilla Glass 3
Gorilla Glass 5
Corning Gorilla Glass

Screen to Body Ratio

91%
90%
83.27%

Screen Design

Waterdrop notch
Waterdrop notch
Punch hole

Screen Quality

FHD
FHD
HD

Peak Brightness

420 nits
-
480 nits

Phone Variants

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

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
-

Storage Type

UFS 2.1
eMMC 5.1
-

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 2 TB

OTG Support

Yes
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v10 (Q)
Android v9.0 (Pie)
Android v10 (Q)

GPU

Mali-G72 MP3
Adreno 610
Mali-G52 MC2

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 665
MediaTek Helio G80

CPU

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)
Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)

Custom User Interface

Samsung One UI
MIUI
-

Clock Speed

2.3 GHz
2 GHz
2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
11 nm
12 nm

Battery Capacity

6000 mAh
4000 mAh
5200 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-Polymer
Li-ion

Charger Type

Fast, 15W
Fast, 18W
Fast, 18W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

18-Mar-20
5-Aug-19
15-Oct-20

Market Status

Available
Available
Launched Globally

Brand

Samsung
Xiaomi
Infinix

Model Number

SM-M215FZKDINS
MZB8189IN
-

Price Status

Confirmed
Confirmed
Expected

Price

Rs. 13,499
Rs. 12,499
Rs. 14,690

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS

Audio Features

Dolby Atmos
-
Dual Speakers, DTS Audio

NFC

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

Bluetooth Type

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

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

FM Radio

-
Yes
Yes

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1080p at 30fps

Front Camera Features

HDR
HDR, panorama
Dual-LED flash

Front Camera Setup

Single, 20MP
Single, 13MP
Single, 16MP

Front Camera 1 Resolution

20 MP
13 MP
16 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.0 Primary Camera
Primary Camera

Front Camera 1 Lens

26 mm focal length
1.12 micrometre pixel size
-

Front Sensor

CMOS
-
-

Front Aperture

f/2.2
f/2.0
-

Front Flash

No
-
-

Weight

188 grams
188 grams
-

Colors

Midnight Blue, Raven Black
Nepture Blue, Moonlight White, Cosmic Purple, Space Black
Deepsea Luster, Silver Diamond, Iceland Fantasy

Build

Back: Plastic
Back: Gorilla Glass
-

Dimensions

159 x 75.1 x 8.9 mm
158.3 x 75.3 x 8.3 mm
175.3 x 78.7 x 8.9 mm

SAR Value

Head: 0.468 W/kg
Head: 1.13 W/kg, Body: 0.634 W/kg
-

OIS

No
No
-

Rear Flash

Yes, LED Flash
Yes, Dual LED Flash
Yes, Quad LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
-

Rear Camera Features

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

Rear Camera Setup

Triple, 48MP + 8MP + 5MP
Quad, 48MP + 8MP + 2MP + 2MP
Triple, 64MP + 2MP + 2MP

Rear Camera 1 Resolution

48 MP
48 MP
64 MP

Rear Camera 1 Type

f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.79 Primary Camera
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
-

Rear Camera 2 Resolution

8 MP
8 MP
2 MP

Rear Camera 2 Type

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

Rear Camera 2 Lens

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

Rear Camera 3 Resolution

5 MP
2 MP
2 MP

Rear Camera 3 Type

f/2.2, Depth Camera
f/2.4, Macro Camera
Macro Camera

Rear Sensor

CMOS image sensor
ISOCELL Plus
-

Rear Aperture

f/2.0
f/1.79
-

Rear Camera 3 Lens

-
5.0" sensor size, 1.75 micrometre pixel size
-

Rear Camera 4 Resolution

-
2 MP
-

Rear Camera 4 Type

-
f/2.4, Depth Camera
-

Rear Camera 4 Lens

-
5.0" sensor size, 1.75 micrometre pixel size
-

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
Rear
Side

Face Unlock

Yes
Yes
Yes
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