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Samsung Galaxy A51 vs Samsung Galaxy A90 5G vs Samsung Galaxy A71

Key Feature Comparison

6.9

Samsung Galaxy A51

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7.5

Samsung Galaxy A90 5G

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7.5

Samsung Galaxy A71

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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 (2.84 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485)

Qualcomm Snapdragon 855, Adreno 640

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

4500 mAh

Li-ion, Fast

4500 mAh

Li-ion, Fast, 25W

6.5 inches

405 ppi, FHD

6.7 inches

393 ppi, FHD

6.7 inches

393 ppi, FHD

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

3840x2160 @ 30 fps

Triple, 48MP + 8MP + 5MP

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

3840x2160 @ 30 fps

4G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.7 inches
6.7 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

405 ppi
393 ppi
393 ppi

Aspect Ratio

20:09
20:09
20:09

Screen Protection

Gorilla Glass 3
Gorilla Glass 6
Gorilla Glass 3

Screen to Body Ratio

87.44%
86.08%
87.17%

Screen Design

Punch hole
Waterdrop notch
Punch hole

Screen Quality

FHD
FHD
FHD

Phone Variants

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

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.0
UFS 3.0
UFS 2.1

Expandable Storage Capacity

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

OTG Support

Yes
-
Yes

Sensors

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

Operating System

Android v10 (Q)
Android v9.0 (Pie)
Android v10 (Q)

GPU

Mali-G72 MP3
Adreno 640
Adreno 618

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 855
Qualcomm Snapdragon 730

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.84 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485)
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

Clock Speed

2.3 GHz
2.84 GHz
2.2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
7 nm
8 nm

Battery Capacity

4000 mAh
4500 mAh
4500 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 15W
Fast
Fast, 25W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

5-Dec-19
5-Sep-19
5-Dec-19

Market Status

Available
Launched Globally
Available

Brand

Samsung
Samsung
Samsung

Model Number

SM-A515FZB1INS/SM-A515FZBWINS
-
SM-A715FZK2INS

Price Status

Confirmed
Expected
Confirmed

Price

Rs. 20,450
Rs. 33,860
Rs. 26,990

GPS

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

Audio Features

Dolby Atmos
Active noise cancellation with dedicated micDolby Atmos sound
Dolby Atmos

NFC

Yes
Yes
Yes

Network Support

4G
5G
4G

Bluetooth

Yes
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, 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

SIM Slot(s)

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

eSIM

No
-
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
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 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
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 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...
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...

Front Video Recording

1920x1080 @ 30 fps
1080p30fps
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
-
0.8 micrometre pixel size

Front Aperture

f/2.2
f/2.0
f/2.2

Front Flash

No
-
No

Weight

172 grams
206 grams
179 grams

Colors

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

Build

Back: Plastic
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
Back: Plastic

Dimensions

158.5 x 73.6 x 7.9 mm
164.8 x 76.4 x 8.4 mm
163.6 x 76 x 7.7 mm

SAR Value

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

OIS

No
-
No

Rear Flash

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

Rear Video Recording

3840x2160 @ 30 fps
-
3840x2160 @ 30 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
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
Triple, 48MP + 8MP + 5MP
Quad, 64MP + 12MP + 5MP + 5MP

Rear Camera 1 Resolution

48 MP
48 MP
64 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom) Primary Camera
f/2.0 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, 2" 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/2.2, Depth 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
ISOCELL Plus

Rear Aperture

f/2.0
f/2.0
f/1.8

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
On-Screen
On-Screen

Fingerprint Scanner Type

Optical
Optical
Optical

Face Unlock

Yes
Yes
Yes

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