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Samsung Galaxy A51 vs Samsung Galaxy M31 vs Samsung Galaxy A71

We will be comparing Samsung Galaxy A51 vs Samsung Galaxy M31 vs Samsung Galaxy A71 where all the three phones were released in 2020 itself.

Let us now compare Samsung Galaxy A51 vs Samsung Galaxy M31 vs Samsung Galaxy A71 for you to choose the best phone for yourself.

Also Read : Mobile Battery Repair

As we move further, we will discuss Samsung Galaxy A51 vs Samsung Galaxy M31 vs Samsung Galaxy A71 detailed specifications :

Display

Samsung Galaxy A51 has a 6.5 inches Super AMOLED display with 20:9 aspect ratio. On the other hand, Galaxy M31 has a 6.4 inches Super AMOLED display with 19:5:9 aspect ratio whereas Galaxy A71 has a 6.7 inches Super AMOLED display with 20:9 aspect ratio. All the three phones come with Corning Gorilla Glass 3 protection. Galaxy A51 and Galaxy M31 both run on Android 10 where they are powered by One UI 2.1 and One UI 2.5 respectively. However, Galaxy A71 runs on Android 10.0 and is powered by One UI 2. All the three phones support dual-SIM ( Nano ).

Processor and Storage

Samsung Galaxy A51 and Samsung Galaxy M31 are Exynos 9611 and come paired with up to 8GB RAM. However, Samsung Galaxy A71 is a Qualcomm SDM730 Snapdragon 730 and comes paired with up to 8GB RAM as well.

Considering Samsung Galaxy A51 vs Samsung Galaxy M31 vs Samsung Galaxy A71 regarding storage, all the three phones have an onboard storage of 128GB which is expandable via microSD card. The expandable storage is up to 1TB in Galaxy A71.

Also Read : Mobile Charging Jack Repair

Camera

Samsung Galaxy A51 has a 48MP primary camera, a 8MP ultrawide camera, 5MP macro lens and a 5MP depth sensor. On the other hand, Samsung Galaxy M31 has a 64MP primary camera, 8MP ultra-wide lens, 5MP macro lens and a 5MP depth sensor. Samsung Galaxy A71 has a 64MP primary camera, 12MP ultrawide camera, 5MP dedicated macro lens and a 5MP depth sensor.

When we compare Galaxy A51 vs Samsung Galaxy M31 vs Samsung Galaxy A71 front cameras, all the three phones have 32MP selfie cameras.

Battery

Samsung Galaxy A51 has a 4,000mAh battery with 15W fast charging support. Whereas, Samsung Galaxy M31 has an impressive 6,000mAh battery with 15W fast charging benefit available. Samsung Galaxy A71 has a 4,500mAh battery with 25W fast charging support.

Also Read : Mobile Proximity Sensor Repair

We have compared Samsung Galaxy A51 vs Samsung Galaxy M31 vs Samsung Galaxy A71 above. This is to help you with the choice of the phone that suits your demands and budget accordingly.

Key Feature Comparison

6.9

Samsung Galaxy A51

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6.9

Samsung Galaxy M31

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7.5

Samsung Galaxy A71

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At a Glance

Show differences only

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

Qualcomm Snapdragon 730, Adreno 618

4000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

4500 mAh

Li-ion, Fast, 25W

6.5 inches

405 ppi, FHD

6.4 inches

403 ppi, FHD

6.7 inches

393 ppi, FHD

Quad, 48MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps

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

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

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

3840x2160 @ 30 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
6.7 inches

Screen Type

Super AMOLED
Super AMOLED
Super AMOLED

Screen Resolution

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

Pixel Density

405 ppi
403 ppi
393 ppi

Aspect Ratio

20:09
19.5:9
20:09

Screen Protection

Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3

Screen to Body Ratio

87.44%
83.92%
87.17%

Screen Design

Punch hole
Regular notch
Punch hole

Screen Quality

FHD
FHD
FHD

Phone Variants

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

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.0
UFS 2.1
UFS 2.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 512 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, Gyroscope

Operating System

Android v10 (Q)
Android v10 (Q)
Android v10 (Q)

GPU

Mali-G72 MP3
Mali-G72 MP3
Adreno 618

Chipset

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

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

Custom User Interface

Samsung One UI
Samsung One UI
Samsung One UI

Clock Speed

2.3 GHz
2.3 GHz
2.2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
10 nm
8 nm

Battery Capacity

4000 mAh
6000 mAh
4500 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

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

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

5-Dec-19
25-Feb-20
5-Dec-19

Market Status

Available
Available
Available

Brand

Samsung
Samsung
Samsung

Model Number

SM-A515FZB1INS/SM-A515FZBWINS
SM-M315FZKDINS
SM-A715FZK2INS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 20,450
Rs. 15,999
Rs. 26,990

GPS

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

Audio Features

Dolby Atmos
Dolby Atmos
Dolby Atmos

NFC

Yes
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, 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) / 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 Bands: UMTS 1...
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 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), 3G Bands: UMTS 19...

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 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
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 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), 3G Bands: UMTS 19...

FM Radio

-
Yes
-

Front Video Recording

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

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

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

Front Camera 1 Resolution

32 MP
32 MP
32 MP

Front Camera 1 Type

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

Front Camera 1 Lens

2.8" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
0.8 micrometre pixel size

Front Aperture

f/2.2
f/2.0
f/2.2

Front Flash

No
No
No

Front Sensor

-
Exmor RS
-

Weight

172 grams
191 grams
179 grams

Colors

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue
Black, Blue
Prism Crush Black, Prism Crush Blue, Prism Crush Silver

Build

Back: Plastic
Back: Plastic
Back: Plastic

Dimensions

158.5 x 73.6 x 7.9 mm
159.2 x 75.1 x 8.9 mm
163.6 x 76 x 7.7 mm

SAR Value

Head: 0.598 W/kg
Head: 0.383 W/kg
Head: 0.836 W/kg

OIS

No
No
No

Rear Flash

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

Rear Video Recording

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

Rear Camera Features

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

Rear Camera Setup

Quad, 48MP + 12MP + 5MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 64MP + 12MP + 5MP + 5MP

Rear Camera 1 Resolution

48 MP
64 MP
64 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2.25" sensor size, 0.8 micrometre pixel size
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

Rear Camera 2 Resolution

12 MP
8 MP
12 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
5 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
5 MP

Rear Camera 4 Type

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

Rear Sensor

ISO-CELL
ISOCELL Plus
ISOCELL Plus

Rear Aperture

f/2.0
f/1.8
f/1.8

Rear Camera 2 Lens

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

Rear Camera 3 Lens

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

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear
On-Screen

Fingerprint Scanner Type

Optical
-
Optical

Face Unlock

Yes
Yes
Yes

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