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Samsung Galaxy M51 vs Samsung Galaxy M31s vs Xiaomi Redmi Note 5 Pro

Key Feature Comparison

7.3

Samsung Galaxy M51

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6.9

Samsung Galaxy M31s

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6.7

Redmi Note 5 Pro

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At a Glance

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Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Qualcomm Snapdragon 730G, Adreno 618

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 (1.8 GHz, Quad core, Kryo 260 + 1.6 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 636, Adreno 509

7000 mAh

Li-ion, Fast, 25W

6000 mAh

Li-ion, Fast, 25W

4000 mAh

Li-Polymer, Quick, v2.0

6.7 inches

393 ppi, FHD

6.5 inches

405 ppi, FHD

5.99 inches

403 ppi, FHD

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

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

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

3840x2160 @ 30 fps

Dual, 12MP + 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

6.7 inches
6.5 inches
5.99 inches

Screen Type

Super AMOLED
Super AMOLED
IPS LCD

Screen Resolution

1080 x 2400 pixels
1080 x 2400 pixels
1080 x 2160 pixels

Pixel Density

393 ppi
405 ppi
403 ppi

Aspect Ratio

20:09
20:09
18:09

Screen Protection

Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3

Screen to Body Ratio

91%
91%
77.43%

Screen Design

Punch hole
Punch hole
Bezel-less

Screen Quality

FHD
FHD
FHD

Peak Brightness

420 nits
420 nits
-

Screen Refresh Rate

-
60 Hz
-

Phone Variants

8GB 128GB, 6GB 128GB
8GB 128GB, 6GB 128GB
6GB 64GB, 4GB 64GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
UFS 2.1
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 128 GB

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 v7.1.2 (Nougat)

GPU

Adreno 618
Mali-G72 MP3
Adreno 509

Chipset

Qualcomm Snapdragon 730G
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 636

CPU

Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (1.8 GHz, Quad core, Kryo 260 + 1.6 GHz, Quad core, Kryo 260)

Custom User Interface

Samsung One UI
Samsung One UI
MIUI

Clock Speed

2.2 GHz
2.3 GHz
1.8 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

8 nm
10 nm
14 nm

Battery Capacity

7000 mAh
6000 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-Polymer

Charger Type

Fast, 25W
Fast, 25W
Quick, v2.0

USB Type-C

Yes
Yes
No

Fast Charging

Yes
Yes
Yes

Announced On

31-Aug-20
30-Jul-20
5-Feb-18

Market Status

Available
Available
Available

Brand

Samsung
Samsung
Xiaomi

Model Number

SM-M515FZBEINS
SM-M317FZBDINS
MZB6633IN

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 19,999
Rs. 18,499
Rs. 11,980

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

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 (Hybrid)

Wi-Fi

Yes, Wi-Fi 802.11, a/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 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 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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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) / 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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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
3840x2160 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
HDR
LED flash

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, Wide Angle Primary Camera
f/2.2 Primary Camera
f/2.2 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
2.8" sensor size, 1 micrometre pixel size

Front Sensor

Exmor RS
Exmor RS
Exmor RS

Front Aperture

f/2.2
f/2.2
f/2.2

Front Flash

No
No
Yes, LED Flash

Weight

213 grams
203 grams
181 grams

Colors

Celestial Black, Electric Blue
Mirage Black, Mirage Blue
Black, Gold, Red, Rose Gold, Lake Blue

Build

Back: Plastic
Back: Plastic
Case: Metal, Back: Metal

Dimensions

163.9 x 76.3 x 9.5 mm
159.3 x 74.4 x 9.3 mm
158.6 x 75.4 x 8 mm

SAR Value

Head: 1.381 W/kg
Head: 1.38 W/kg
Head: 1.1888 W/kg, Body: 0.334 W/kg

OIS

No
No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, Dual-color LED Flash

Rear Video Recording

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

Rear Camera Features

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

Rear Camera Setup

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

Rear Camera 1 Resolution

64 MP
64 MP
12 MP

Rear Camera 1 Type

f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/2.2 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
2.9" sensor size, 1.25 micrometre pixel size

Rear Camera 2 Resolution

12 MP
12 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/2.0, Depth Camera

Rear Camera 3 Resolution

5 MP
5 MP
-

Rear Camera 3 Type

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

Rear Camera 4 Resolution

5 MP
5 MP
-

Rear Camera 4 Type

f/2.4, Depth Camera
f/2.4, Depth Camera
-

Rear Sensor

Exmor-RS CMOS Sensor, ISOCELL Plus
Exmor-RS CMOS Sensor
Exmor-RS CMOS Sensor

Rear Aperture

f/1.8
f/1.8
f/2.2

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Side
Side
Rear

Face Unlock

Yes
Yes
Yes

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