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Samsung Galaxy M51 vs Samsung Galaxy A31 vs Samsung Galaxy A51

- Updated: 26th Sep 2020, 07:38 IST

Key Feature Comparison

Samsung Galaxy M51

Samsung Galaxy A31

Samsung Galaxy A51

Show differences only

At a Glance

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

Qualcomm Snapdragon 730G, Adreno 618

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

MediaTek Helio P65, Mali-G52

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

7000 mAh

Li-ion, Fast, 25W

5000 mAh

Li-ion, Fast, 15W

4000 mAh

Li-ion, Fast, 15W

6.7 inches

393 ppi, FHD

6.4 inches

411 ppi, FHD

6.5 inches

405 ppi, FHD

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

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Quad, 48MP + 8MP + 5MP + 5MP

1920x1080 @ 30 fps

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

3840x2160 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.7 inches

6.4 inches

6.5 inches

Screen Type

Super AMOLED

Super AMOLED

Super AMOLED

Screen Resolution

1080 x 2400 pixels

1080 x 2400 pixels

1080 x 2400 pixels

Pixel Density

393 ppi

411 ppi

405 ppi

Aspect Ratio

20:09

20:09

20:09

Screen Protection

Gorilla Glass 3

-

Gorilla Glass 3

Screen to Body Ratio

91%

84.92%

87.44%

Screen Design

Punch hole

Waterdrop notch

Punch hole

Screen Quality

FHD

FHD

FHD

Peak Brightness

420 nits

-

-

Phone Variants

8GB 128GB, 6GB 128GB

6GB 128GB

8GB 128GB, 6GB 128GB

Expandable Storage

Yes

Yes

Yes

RAM Type

LPDDR4X

LPDDR4X

LPDDR4X

Storage Type

UFS 2.1

-

UFS 2.0

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, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v10 (Q)

Android v10 (Q)

Android v10 (Q)

GPU

Adreno 618

Mali-G52

Mali-G72 MP3

Chipset

Qualcomm Snapdragon 730G

MediaTek Helio P65

Samsung Exynos 9 Octa 9611

CPU

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

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI

Samsung One UI

Samsung One UI

Clock Speed

2.2 GHz

2 GHz

2.3 GHz

Architecture

64 bit

64 bit

64 bit

Process Technology

8 nm

12 nm

10 nm

Battery Capacity

7000 mAh

5000 mAh

4000 mAh

Battery Removable

No

No

No

Battery Type

Li-ion

Li-ion

Li-ion

Charger Type

Fast, 25W

Fast, 15W

Fast, 15W

USB Type-C

Yes

Yes

Yes

Fast Charging

Yes

Yes

Yes

Announced On

31-Aug-20

24-Mar-20

5-Dec-19

Market Status

Available

Available

Available

Brand

Samsung

Samsung

Samsung

Model Number

SM-M515FZBEINS

SM-A315FZB1INS/SM-A315FZBWINS

SM-A515FZB1INS/SM-A515FZBWINS

Price Status

Confirmed

Confirmed

Confirmed

Price

Rs. 19,999

Rs. 17,999

Rs. 20,450

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

Dolby Atmos

Dolby Atmos

NFC

Yes

Yes

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, a/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 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), 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) / 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...

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), 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...

FM Radio

-

Yes

-

Front Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera Features

HDR

-

HDR

Front Camera Setup

Single, 32MP

Single, 20MP

Single, 32MP

Front Camera 1 Resolution

32 MP

20 MP

32 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

-

2.8" sensor size, 0.8 micrometre pixel size

Front Sensor

Exmor RS

-

-

Front Aperture

f/2.2

f/2.2

f/2.2

Front Flash

No

No

No

Weight

213 grams

185 grams

172 grams

Colors

Celestial Black, Electric Blue

Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White

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

Build

Back: Plastic

-

Back: Plastic

Dimensions

163.9 x 76.3 x 9.5 mm

159.3 x 73.1 x 8.6 mm

158.5 x 73.6 x 7.9 mm

SAR Value

Head: 1.381 W/kg

Head: 1.13 W/kg

Head: 0.598 W/kg

OIS

No

No

No

Rear Flash

Yes, LED Flash

Yes, LED Flash

Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

1920x1080 @ 30 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, 64MP + 12MP + 5MP + 5MP

Quad, 48MP + 8MP + 5MP + 5MP

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

Rear Camera 1 Resolution

64 MP

48 MP

48 MP

Rear Camera 1 Type

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

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

f/2.0 (upto 8x 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, 2" sensor size, 0.8 micrometre pixel size

26 mm focal length, 2.25" 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/2.4, Depth Camera

f/2.4, Depth Camera

f/2.2, Depth Camera

Rear Sensor

Exmor-RS CMOS Sensor, ISOCELL Plus

-

ISO-CELL

Rear Aperture

f/1.8

f/2.0

f/2.0

Fingerprint Scanner

Yes

Yes

Yes

Fingerprint Scanner Position

Side

On-Screen

On-Screen

Face Unlock

Yes

Yes

Yes

Fingerprint Scanner Type

-

Optical

Optical

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