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Samsung Galaxy A51 vs Samsung Galaxy A71 vs Samsung Galaxy S9 Plus

Key Feature Comparison

6.9

Samsung Galaxy A51

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7.5

Samsung Galaxy A71

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7.5

Samsung Galaxy S9 Plus

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At a Glance

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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

Octa core (2.7 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9810, Mali-G72 MP18

4000 mAh

Li-ion, Fast, 15W

4500 mAh

Li-ion, Fast, 25W

3500 mAh

Li-ion, Fast

6.5 inches

405 ppi, FHD

6.7 inches

393 ppi, FHD

6.2 inches

531 ppi, 2K

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

3840x2160 @ 30 fps

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

3840x2160 @ 30 fps

Dual, 12MP + 12MP

3840x2160 @ 60 fps, 1920x1080 @ 60 fps, 1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.5 inches
6.7 inches
6.2 inches

Screen Type

Super AMOLED
Super AMOLED
Super AMOLED

Screen Resolution

1080 x 2400 pixels
1080 x 2400 pixels
1440 x 2960 pixels

Pixel Density

405 ppi
393 ppi
531 ppi

Aspect Ratio

20:09
20:09
18.5:9

Screen Protection

Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 5

Screen to Body Ratio

87.44%
87.17%
83.99%

Screen Design

Punch hole
Punch hole
Bezel-less

Screen Quality

FHD
FHD
2K

Screen Refresh Rate

-
60 Hz
-

Phone Variants

8GB 128GB, 6GB 128GB
8GB 128GB
6GB 256GB, 6GB 128GB, 6GB 64GB

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, 400 GB

OTG Support

Yes
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, rgbw sensor, Accelerometer, Barometer, Compass, Gyroscope

Operating System

Android v10 (Q)
Android v10 (Q)
Android v8.0 (Oreo)

GPU

Mali-G72 MP3
Adreno 618
Mali-G72 MP18

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 730
Samsung Exynos 9 Octa 9810

CPU

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)
Octa core (2.7 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI
Samsung One UI
-

Clock Speed

2.3 GHz
2.2 GHz
2.7 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
8 nm
10 nm

Battery Capacity

4000 mAh
4500 mAh
3500 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 15W
Fast, 25W
Fast

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

5-Dec-19
5-Dec-19
5-Feb-18

Market Status

Available
Available
Available

Brand

Samsung
Samsung
Samsung

Model Number

SM-A515FZB1INS/SM-A515FZBWINS
SM-A715FZK2INS
-

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 20,450
Rs. 26,990
Rs. 37,218

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 (Hybrid)

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, a/ac/b/g/n/n 5GHz, MIMO

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) / 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), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 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), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / ...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1440p30fps

Front Camera Features

HDR
HDR
Wide Angle Selfie

Front Camera Setup

Single, 32MP
Single, 32MP
Single, 8MP

Front Camera 1 Resolution

32 MP
32 MP
8 MP

Front Camera 1 Type

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

Front Camera 1 Lens

2.8" sensor size, 0.8 micrometre pixel size
0.8 micrometre pixel size
25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size

Front Aperture

f/2.2
f/2.2
f/1.7

Front Flash

No
No
-

Weight

172 grams
179 grams
189 grams

Colors

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue
Prism Crush Black, Prism Crush Blue, Prism Crush Silver
Midnight Black, Coral Blue, Lilac Purple, Burgundy Red, Polaris Blue

Build

Back: Plastic
Back: Plastic
Case: Aluminium, Back: Gorilla Glass

Dimensions

158.5 x 73.6 x 7.9 mm
163.6 x 76 x 7.7 mm
158.1 x 73.8 x 8.5 mm

SAR Value

Head: 0.598 W/kg
Head: 0.836 W/kg
-

OIS

No
No
Yes

Rear Flash

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

Rear Video Recording

3840x2160 @ 30 fps
3840x2160 @ 30 fps
3840x2160 @ 60 fps, 1920x1080 @ 60 fps, 1280x720 @ 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
Auto Flash, Face detection, Simultaneous HD video and image recording, Touch to focus

Rear Camera Setup

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

Rear Camera 1 Resolution

48 MP
64 MP
12 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.5, Wide Angle 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, 2.55" sensor size, 1.4 micrometre pixel size

Rear Camera 2 Resolution

12 MP
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
f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) 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/2.2, Depth Camera
f/2.2, Depth Camera
-

Rear Sensor

ISO-CELL
ISOCELL Plus
CMOS image sensor, ISOCELL Plus

Rear Aperture

f/2.0
f/1.8
f/1.5

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
On-Screen
Rear

Fingerprint Scanner Type

Optical
Optical
-

Face Unlock

Yes
Yes
Yes

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