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Samsung Galaxy M21 vs Xiaomi Redmi Note 7S vs Xiaomi Redmi 6 Pro

Key Feature Comparison

6.8

Samsung Galaxy M21

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7

Xiaomi Redmi Note 7S

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6.4

Xiaomi Redmi 6 pro

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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 (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 660 MSM8956, Adreno 512

Octa core, 2 GHz, Cortex A53

Qualcomm Snapdragon 625 MSM8953, Adreno 506

6000 mAh

Li-ion, Fast, 15W

4000 mAh

Li-Polymer, Quick, v4.0

4000 mAh

Li-Polymer

6.4 inches

403 ppi, FHD

6.3 inches

409 ppi, FHD

5.84 inches

432 ppi, FHD

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Dual, 48MP + 5MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Dual, 12MP + 5MP

1920x1080 @ 30 fps, 1280x720 @ 120 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.4 inches
6.3 inches
5.84 inches

Screen Type

Super AMOLED
IPS LCD
IPS LCD

Screen Resolution

1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2280 pixels

Pixel Density

403 ppi
409 ppi
432 ppi

Aspect Ratio

19.5:9
19.5:9
-

Screen Protection

Gorilla Glass 3
Gorilla Glass 5
-

Screen to Body Ratio

91%
81.21%
79.24%

Screen Design

Waterdrop notch
Waterdrop notch
Regular notch

Screen Quality

FHD
FHD
FHD

Peak Brightness

420 nits
-
-

Phone Variants

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

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR3

Storage Type

UFS 2.1
eMMC 5.1
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 256 GB
Yes, 256 GB

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 v8.1 (Oreo)

GPU

Mali-G72 MP3
Adreno 512
Adreno 506

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 660 MSM8956
Qualcomm Snapdragon 625 MSM8953

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)
Octa core, 2 GHz, Cortex A53

Custom User Interface

Samsung One UI
MIUI
MIUI

Clock Speed

2.3 GHz
2.2 GHz
2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
14 nm
14 nm

Battery Capacity

6000 mAh
4000 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-Polymer
Li-Polymer

Charger Type

Fast, 15W
Quick, v4.0
-

USB Type-C

Yes
Yes
No

Fast Charging

Yes
Yes
-

Announced On

18-Mar-20
5-May-19
5-Jul-18

Market Status

Available
Available
Available

Brand

Samsung
Xiaomi
Xiaomi

Model Number

SM-M215FZKDINS
MZB7744IN
-

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 13,499
Rs. 10,990
Rs. 11,259

GPS

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

Audio Features

Dolby Atmos
Active noise cancellation with dedicated mic
Active noise cancellation with dedicated mic

NFC

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 (Hybrid)
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, a/b/g/n

Bluetooth Type

v5.0
v5.0
v4.2

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
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 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 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...

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) / 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 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...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

Single, 20MP
Single, 13MP
Single, 5MP

Front Camera 1 Resolution

20 MP
13 MP
5 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
3.1" sensor size, 1.12 micrometre pixel size
-

Front Sensor

CMOS
-
-

Front Aperture

f/2.2
f/2.0
f/2.0

Front Flash

No
-
-

Weight

188 grams
186 grams
178 grams

Colors

Midnight Blue, Raven Black
Onyx Black, Sapphire Blue, Ruby Red, Astro White
Black, Blue, Gold, Red

Build

Back: Plastic
Back: Gorilla Glass
Back: Aluminium

Dimensions

159 x 75.1 x 8.9 mm
159.2 x 75.2 x 8.1 mm
149.3 x 71.6 x 8.7 mm

SAR Value

Head: 0.468 W/kg
-
Head: 0.964 W/kg, Body: 0.780 W/kg

OIS

No
-
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 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
Dual, 48MP + 5MP
Dual, 12MP + 5MP

Rear Camera 1 Resolution

48 MP
48 MP
12 MP

Rear Camera 1 Type

f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.8 Primary Camera
f/2.2 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
1.25 micrometre pixel size

Rear Camera 2 Resolution

8 MP
5 MP
5 MP

Rear Camera 2 Type

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

Rear Camera 2 Lens

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

Rear Camera 3 Resolution

5 MP
-
-

Rear Camera 3 Type

f/2.2, Depth Camera
-
-

Rear Sensor

CMOS image sensor
ISOCELL Plus
Exmor-RS CMOS Sensor

Rear Aperture

f/2.0
f/1.8
f/2.2

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
Rear
Rear

Face Unlock

Yes
Yes
Yes

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