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Samsung Galaxy M51 vs Samsung Galaxy A71 vs Samsung Galaxy J7 2018

Key Feature Comparison

7.3

Samsung Galaxy M51

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7.5

Samsung Galaxy A71

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4.8

Samsung Galaxy J7 (2018)

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

Qualcomm Snapdragon 730, Adreno 618

Octa core 1.6 GHz

Exynos 7870 Octa, Mali-T830 MP1

7000 mAh

Li-ion, Fast, 25W

4500 mAh

Li-ion, Fast, 25W

3300 mAh

Li-Ion

6.7 inches

393 ppi, FHD

6.7 inches

393 ppi, FHD

5.5 inches

267 ppi

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

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

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

3840x2160 @ 30 fps

Single, 8MP

1080p @ 30fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.7 inches
6.7 inches
5.5 inches

Screen Type

Super AMOLED
Super AMOLED
TFT

Screen Resolution

1080 x 2400 pixels
1080 x 2400 pixels
720 x 1280 pixels

Pixel Density

393 ppi
393 ppi
267 ppi

Aspect Ratio

20:09
20:09
16:09

Screen Protection

Gorilla Glass 3
Gorilla Glass 3
-

Screen to Body Ratio

91%
87.17%
71.40%

Screen Design

Punch hole
Punch hole
-

Screen Quality

FHD
FHD
-

Peak Brightness

420 nits
-
-

Screen Refresh Rate

-
60 Hz
-

Phone Variants

8GB 128GB, 6GB 128GB
8GB 128GB
16GB 2GB RAM, 32GB 2GB RAM

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
-

Storage Type

UFS 2.1
UFS 2.1
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
-

OTG Support

-
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Accelerometer, gyro, proximity, compass

Operating System

Android v10 (Q)
Android v10 (Q)
Android 8.0 (Oreo)

GPU

Adreno 618
Adreno 618
Mali-T830 MP1

Chipset

Qualcomm Snapdragon 730G
Qualcomm Snapdragon 730
Exynos 7870 Octa

CPU

Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core 1.6 GHz

Custom User Interface

Samsung One UI
Samsung One UI
-

Clock Speed

2.2 GHz
2.2 GHz
1.6 GHz

Architecture

64 bit
64 bit
-

Process Technology

8 nm
8 nm
-

Battery Capacity

7000 mAh
4500 mAh
3300 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-Ion

Charger Type

Fast, 25W
Fast, 25W
-

USB Type-C

Yes
Yes
-

Fast Charging

Yes
Yes
No

Announced On

31-Aug-20
5-Dec-19
5-Jun-18

Market Status

Available
Available
Launched Globally

Brand

Samsung
Samsung
Samsung

Model Number

SM-M515FZBEINS
SM-A715FZK2INS
-

Price Status

Confirmed
Confirmed
Expected

Price

Rs. 19,999
Rs. 26,990
Rs. 12,990

GPS

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

Audio Features

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
Wi-Fi 802.11 a/b/g/n/ac

Bluetooth Type

v5.0
v5.0
v4.1

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, 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: 1, 2, 3, 4, 5, 7, 12, 66, 3G bands: HSDPA 850 / 1700(AWS) / 1900 / 2100 - SM-J737U, HSDPA 850 / 1900 / 2100 - SM-J737A, 2G bands: GSM 850 / 900 / 1800 / 1900

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: 1, 2, 3, 4, 5, 7, 12, 66, 3G bands: HSDPA 850 / 1700(AWS) / 1900 / 2100 - SM-J737U, HSDPA 850 / 1900 / 2100 - SM-J737A, 2G bands: GSM 850 / 900 / 1800 / 1900

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
-

Front Camera Features

HDR
HDR
-

Front Camera Setup

Single, 32MP
Single, 32MP
Single, 5MP

Front Camera 1 Resolution

32 MP
32 MP
5 MP

Front Camera 1 Type

f/2.2, Wide Angle Primary Camera
f/2.2 Primary Camera
f/1.7 Primary Camera

Front Camera 1 Lens

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

Colors

Celestial Black, Electric Blue
Prism Crush Black, Prism Crush Blue, Prism Crush Silver
Black, Blue, Gold

Build

Back: Plastic
Back: Plastic
Plastic frame

Dimensions

163.9 x 76.3 x 9.5 mm
163.6 x 76 x 7.7 mm
153.2 x 76.2 x 8.6 mm

SAR Value

Head: 1.381 W/kg
Head: 0.836 W/kg
-

OIS

No
No
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps
1080p @ 30fps

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
HDR, panorama

Rear Camera Setup

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

Rear Camera 1 Resolution

64 MP
64 MP
8 MP

Rear Camera 1 Type

f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.7 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
-

Rear Camera 2 Resolution

12 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
-

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/2.2, Depth Camera
-

Rear Sensor

Exmor-RS CMOS Sensor, ISOCELL Plus
ISOCELL Plus
-

Rear Aperture

f/1.8
f/1.8
F1.7

Fingerprint Scanner

Yes
Yes
No

Fingerprint Scanner Position

Side
On-Screen
-

Face Unlock

Yes
Yes
-

Fingerprint Scanner Type

-
Optical
-

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