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Samsung Galaxy A51 vs Samsung Galaxy Note 9 vs Samsung Galaxy A9 (2018)

Key Feature Comparison

6.9

Samsung Galaxy A51

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7.5

Samsung Galaxy Note 9

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7.4

Samsung Galaxy A9 2018

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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 (2.7 GHz, Quad core, M3 Mongoose + 1.7 GHz, Quad core, Cortex A55)

Samsung Exynos 9 Octa 9810, Mali-G72 MP18

Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 660 MSM8956, Adreno 512

4000 mAh

Li-ion, Fast, 15W

4000 mAh

Li-ion, Quick, v2.0, 15W

3800 mAh

Li-ion, Fast

6.5 inches

405 ppi, FHD

6.4 inches

514 ppi, 2K

6.3 inches

392 ppi, FHD

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

3840x2160 @ 30 fps

Dual, 12MP + 12MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps

Quad, 24MP + 5MP + 10MP + 8MP

3840x2160 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.4 inches
6.3 inches

Screen Type

Super AMOLED
Super AMOLED
Super AMOLED

Screen Resolution

1080 x 2400 pixels
1440 x 2960 pixels
1080 x 2220 pixels

Pixel Density

405 ppi
514 ppi
392 ppi

Aspect Ratio

20:09
18.5:9
18.5:9

Screen Protection

Gorilla Glass 3
Gorilla Glass 5
-

Screen to Body Ratio

87.44%
84.42%
80.86%

Screen Design

Punch hole
Bezel-less
Bezel-less

Screen Quality

FHD
2K
FHD

Phone Variants

8GB 128GB, 6GB 128GB
8GB 512GB, 6GB 128GB
8GB 128GB, 6GB 128GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.0
UFS 2.1
eMMC 5.1

Expandable Storage Capacity

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

OTG Support

Yes
Yes
Yes

Sensors

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

Operating System

Android v10 (Q)
Android v8.1 (Oreo)
Android v8.0 (Oreo)

GPU

Mali-G72 MP3
Mali-G72 MP18
Adreno 512

Chipset

Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9810
Qualcomm Snapdragon 660 MSM8956

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.7 GHz, Quad core, M3 Mongoose + 1.7 GHz, Quad core, Cortex A55)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Custom User Interface

Samsung One UI
Samsung One UI
-

Clock Speed

2.3 GHz
2.7 GHz
2.2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
10 nm
14 nm

Battery Capacity

4000 mAh
4000 mAh
3800 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 15W
Quick, v2.0, 15W
Fast

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Wireless Charging

-
Yes
-

Announced On

5-Dec-19
5-Aug-18
5-Oct-18

Market Status

Available
Available
Out of Stock

Brand

Samsung
Samsung
Samsung

Model Number

SM-A515FZB1INS/SM-A515FZBWINS
-
-

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 20,450
Rs. 67,900
Rs. 22,990

GPS

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

Audio Features

Dolby Atmos
Dolby Atmos, Dolby Digital, Dolby Digital Plus
Active noise cancellation with dedicated micDolby 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 (Hybrid)
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
Yes, Wi-Fi 802.11, a/ac/b/g/n, 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

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
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), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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...

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), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 800(band 20) / 850(band 26), 3G...

FM Radio

-
No
-

Front Video Recording

1920x1080 @ 30 fps
1440p30fps
1080p30fps

Front Camera Features

HDR
Wide Angle Selfie
HDR

Front Camera Setup

Single, 32MP
Single, 8MP
Single, 24MP

Front Camera 1 Resolution

32 MP
8 MP
24 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/1.7, Wide Angle Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

2.8" sensor size, 0.8 micrometre pixel size
25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size
27 mm focal length, 2.8" sensor size, 0.9 micrometre pixel size

Front Aperture

f/2.2
f/1.7
f/2.0

Front Flash

No
-
No

Weight

172 grams
201 grams
183 grams

Colors

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue
Midnight Black, Lavender Purple, Metallic Copper, Ocean Blue, Snow White
Caviar Black, Lemonade Blue, Bubblegum Pink

Build

Back: Plastic
Back: Gorilla Glass
Back: Gorilla Glass

Dimensions

158.5 x 73.6 x 7.9 mm
161.9 x 76.4 x 8.8 mm
162.5 x 77 x 7.8 mm

SAR Value

Head: 0.598 W/kg
-
Head: 0.464 W/kg

OIS

No
Yes
No

Rear Flash

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

Rear Video Recording

3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
3840x2160 @ 30 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 48MP + 12MP + 5MP + 5MP
Dual, 12MP + 12MP
Quad, 24MP + 5MP + 10MP + 8MP

Rear Camera 1 Resolution

48 MP
12 MP
24 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.5, Wide Angle Primary Camera
f/1.7, Wide Angle (77 degree field-of-view) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2.25" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
27 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

12 MP
12 MP
5 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
f/2.2, Depth Camera

Rear Camera 3 Resolution

5 MP
-
10 MP

Rear Camera 3 Type

f/2.4, Macro Camera
-
f/2.4 Telephoto (upto 2x Optical Zoom) Camera

Rear Camera 4 Resolution

5 MP
-
8 MP

Rear Camera 4 Type

f/2.2, Depth Camera
-
f/2.4, Wide Angle, Ultra-Wide Angle Camera

Rear Sensor

ISO-CELL
ISO-CELL
CMOS image sensor

Rear Aperture

f/2.0
f/1.5
f/1.7

Rear Camera 2 Lens

-
52 mm focal length, 3.4" sensor size, 1 micrometre pixel size
24 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear
Rear

Fingerprint Scanner Type

Optical
-
-

Face Unlock

Yes
Yes
Yes

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