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Samsung Galaxy M51 vs Samsung Galaxy A31

Key Feature Comparison

7.3

Samsung Galaxy M51

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Samsung Galaxy A31

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

MediaTek Helio P65, Mali-G52

7000 mAh

Li-ion, Fast, 25W

5000 mAh

Li-ion, Fast, 15W

6.7 inches

393 ppi, FHD

6.4 inches

411 ppi, FHD

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

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

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

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.7 inches
6.4 inches

Screen Type

Super AMOLED
Super AMOLED

Screen Resolution

1080 x 2400 pixels
1080 x 2400 pixels

Pixel Density

393 ppi
411 ppi

Aspect Ratio

20:09
20:09

Screen Protection

Gorilla Glass 3
-

Screen to Body Ratio

91%
84.92%

Screen Design

Punch hole
Waterdrop notch

Screen Quality

FHD
FHD

Peak Brightness

420 nits
-

Phone Variants

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

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
-

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB

OTG Support

-
Yes

Sensors

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

Operating System

Android v10 (Q)
Android v10 (Q)

GPU

Adreno 618
Mali-G52

Chipset

Qualcomm Snapdragon 730G
MediaTek Helio P65

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)

Custom User Interface

Samsung One UI
Samsung One UI

Clock Speed

2.2 GHz
2 GHz

Architecture

64 bit
64 bit

Process Technology

8 nm
12 nm

Battery Capacity

7000 mAh
5000 mAh

Battery Removable

No
No

Battery Type

Li-ion
Li-ion

Charger Type

Fast, 25W
Fast, 15W

USB Type-C

Yes
Yes

Fast Charging

Yes
Yes

Announced On

31-Aug-20
24-Mar-20

Market Status

Available
Available

Brand

Samsung
Samsung

Model Number

SM-M515FZBEINS
SM-A315FZB1INS/SM-A315FZBWINS

Price Status

Confirmed
Confirmed

Price

Rs. 19,999
Rs. 17,999

GPS

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

Audio Features

Dolby Atmos
Dolby Atmos

NFC

Yes
Yes

Network Support

4G
4G

Bluetooth

Yes
Yes

3.5mm Audio Jack

Yes
Yes

SIM Size

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

Bluetooth Type

v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

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...

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...

FM Radio

-
Yes

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
-

Front Camera Setup

Single, 32MP
Single, 20MP

Front Camera 1 Resolution

32 MP
20 MP

Front Camera 1 Type

f/2.2, Wide Angle Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

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

Front Sensor

Exmor RS
-

Front Aperture

f/2.2
f/2.2

Front Flash

No
No

Weight

213 grams
185 grams

Colors

Celestial Black, Electric Blue
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White

Build

Back: Plastic
-

Dimensions

163.9 x 76.3 x 9.5 mm
159.3 x 73.1 x 8.6 mm

SAR Value

Head: 1.381 W/kg
Head: 1.13 W/kg

OIS

No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

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

Rear Camera Setup

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

Rear Camera 1 Resolution

64 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

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

Rear Camera 2 Resolution

12 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

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
-

Rear Aperture

f/1.8
f/2.0

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

Side
On-Screen

Face Unlock

Yes
Yes

Fingerprint Scanner Type

-
Optical
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