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Samsung Galaxy M31s vs Samsung Galaxy M31 vs Redmi Note 8 Pro

Key Feature Comparison

6.9

Samsung Galaxy M31s

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6.9

Samsung Galaxy M31

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7.2

Redmi Note 8 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 (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Octa core (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

MediaTek Helio G90T, Mali-G76 MP4

6000 mAh

Li-ion, Fast, 25W

6000 mAh

Li-ion, Fast, 15W

4500 mAh

Li-Polymer, Fast, 18W

6.5 inches

405 ppi, FHD

6.4 inches

403 ppi, FHD

6.53 inches

395 ppi, FHD

Quad, 64MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps

Quad, 64MP + 8MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

Quad, 64MP + 8MP + 2MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.4 inches
6.53 inches

Screen Type

Super AMOLED
Super AMOLED
IPS LCD

Screen Resolution

1080 x 2400 pixels
1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

405 ppi
403 ppi
395 ppi

Aspect Ratio

20:09
19.5:9
19.5:9

Screen Protection

Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 5

Screen to Body Ratio

91%
83.92%
91.40%

Screen Design

Punch hole
Regular notch
Waterdrop notch

Screen Refresh Rate

60 Hz
-
-

Screen Quality

FHD
FHD
FHD

Peak Brightness

420 nits
-
500 nits

Phone Variants

8GB 128GB, 6GB 128GB
6GB 64GB, 8GB 128GB, 6GB 128GB
6GB 64GB, 8GB 128GB, 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, 512 GB

OTG Support

-
Yes
Yes

Sensors

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

Operating System

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

GPU

Mali-G72 MP3
Mali-G72 MP3
Mali-G76 MP4

Chipset

Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611
MediaTek Helio G90T

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 (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

Custom User Interface

Samsung One UI
Samsung One UI
MIUI

Clock Speed

2.3 GHz
2.3 GHz
2.05 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
10 nm
12 nm

Battery Capacity

6000 mAh
6000 mAh
4500 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-Polymer

Charger Type

Fast, 25W
Fast, 15W
Fast, 18W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

30-Jul-20
25-Feb-20
5-Aug-19

Market Status

Available
Available
Available

Brand

Samsung
Samsung
Xiaomi

Model Number

SM-M317FZBDINS
SM-M315FZKDINS
MZB8307IN

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 18,499
Rs. 15,999
Rs. 14,872

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
Yes

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, 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 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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
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 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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
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...

FM Radio

-
Yes
Yes

Front Video Recording

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

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

Single, 32MP
Single, 32MP
Single, 20MP

Front Camera 1 Resolution

32 MP
32 MP
20 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, 2.8" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
0.9 micrometre pixel size

Front Sensor

Exmor RS
Exmor RS
-

Front Aperture

f/2.2
f/2.0
f/2.0

Front Flash

No
No
-

Weight

203 grams
191 grams
200 grams

Colors

Mirage Black, Mirage Blue
Black, Blue
Gamma Green, Halo White, Shadow Black, Electric Blue

Build

Back: Plastic
Back: Plastic
Back: Gorilla Glass

Dimensions

159.3 x 74.4 x 9.3 mm
159.2 x 75.1 x 8.9 mm
161.7 x 76.4 x 8.8 mm

SAR Value

Head: 1.38 W/kg
Head: 0.383 W/kg
Head: 1.130 W/kg, Body: 0.634 W/kg

OIS

No
No
No

Rear Flash

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

Rear Video Recording

3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps

Rear Camera Features

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

Rear Camera Setup

Quad, 64MP + 12MP + 5MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 64MP + 8MP + 2MP + 2MP

Rear Camera 1 Resolution

64 MP
64 MP
64 MP

Rear Camera 1 Type

f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.89 (upto 10x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
1.7" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

12 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 3 Resolution

5 MP
5 MP
2 MP

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Macro Camera

Rear Camera 4 Resolution

5 MP
5 MP
2 MP

Rear Camera 4 Type

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

Rear Sensor

Exmor-RS CMOS Sensor
ISOCELL Plus
ISOCELL Plus

Rear Aperture

f/1.8
f/1.8
f/1.89

Rear Camera 2 Lens

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

Rear Camera 3 Lens

-
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
1.75 micrometre pixel size

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Side
Rear
Rear

Face Unlock

Yes
Yes
Yes

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