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Samsung Galaxy A31 vs Samsung Galaxy S9 Plus vs Samsung Galaxy Note 8

Key Feature Comparison

7

Samsung Galaxy A31

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7.5

Samsung Galaxy S9 Plus

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7.4

Samsung Galaxy Note 8

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At a Glance

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Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

MediaTek Helio P65, Mali-G52

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

Samsung Exynos 9 Octa 9810, Mali-G72 MP18

Octa core (2.3 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 8895, Mali-G71 MP20

5000 mAh

Li-ion, Fast, 15W

3500 mAh

Li-ion, Fast

3300 mAh

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

6.4 inches

411 ppi, FHD

6.2 inches

531 ppi, 2K

6.3 inches

522 ppi, 2K

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

1920x1080 @ 30 fps

Dual, 12MP + 12MP

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

Dual, 12MP + 12MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 240 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.4 inches
6.2 inches
6.3 inches

Screen Type

Super AMOLED
Super AMOLED
Super AMOLED

Screen Resolution

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

Pixel Density

411 ppi
531 ppi
522 ppi

Aspect Ratio

20:09
18.5:9
18.5:9

Screen to Body Ratio

84.92%
83.99%
83.24%

Screen Design

Waterdrop notch
Bezel-less
Bezel-less

Screen Quality

FHD
2K
2K

Screen Protection

-
Gorilla Glass 5
Gorilla Glass 5

Phone Variants

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

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4

Expandable Storage Capacity

Yes, 512 GB
Yes, 400 GB
Yes, 256 GB

OTG Support

Yes
Yes
Yes

Storage Type

-
UFS 2.1
UFS 2.1

Sensors

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

Operating System

Android v10 (Q)
Android v8.0 (Oreo)
Android v7.1.1 (Nougat)

GPU

Mali-G52
Mali-G72 MP18
Mali-G71 MP20

Chipset

MediaTek Helio P65
Samsung Exynos 9 Octa 9810
Samsung Exynos 9 Octa 8895

CPU

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)
Octa core (2.7 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.3 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI
-
-

Clock Speed

2 GHz
2.7 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
10 nm
10 nm

Battery Capacity

5000 mAh
3500 mAh
3300 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

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

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Wireless Charging

-
Yes
Yes

Announced On

24-Mar-20
5-Feb-18
5-Aug-17

Market Status

Available
Available
Available

Brand

Samsung
Samsung
Samsung

Model Number

SM-A315FZB1INS/SM-A315FZBWINS
-
SM-N950FZDDINS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 17,999
Rs. 37,218
Rs. 45,218

GPS

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

Audio Features

Dolby Atmos
Dolby Atmos
32-bit/384kHz audioActive noise cancellation with dedicated mic

NFC

Yes
Yes
Yes

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
No
No

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano (Hybrid)

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/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 VoLTE
Dual SIM, GSM+GSM

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) / 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) / ...
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) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / ...

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), 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) / ...
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) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / ...

Front Video Recording

1920x1080 @ 30 fps
1440p30fps
1440p30fps

Front Camera Setup

Single, 20MP
Single, 8MP
Single, 8MP

Front Camera 1 Resolution

20 MP
8 MP
8 MP

Front Camera 1 Type

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

Front Aperture

f/2.2
f/1.7
f/1.7

Front Flash

No
-
No

Front Camera Features

-
Wide Angle Selfie
Wide Angle Selfie

Front Camera 1 Lens

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

Weight

185 grams
189 grams
195 grams

Colors

Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Midnight Black, Coral Blue, Lilac Purple, Burgundy Red, Polaris Blue
Midnight Black, Maple Gold, Orchid Gray

Dimensions

159.3 x 73.1 x 8.6 mm
158.1 x 73.8 x 8.5 mm
162.5 x 74.8 x 8.6 mm

SAR Value

Head: 1.13 W/kg
-
-

Build

-
Case: Aluminium, Back: Gorilla Glass
Back: Gorilla Glass

OIS

No
Yes
Yes

Rear Flash

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

Rear Video Recording

1920x1080 @ 30 fps
3840x2160 @ 60 fps, 1920x1080 @ 60 fps, 1280x720 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 240 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Auto Flash, Face detection, Simultaneous HD video and image recording, Touch to focus
Auto Flash, Face detection, Touch to focus

Rear Camera Setup

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

Rear Camera 1 Resolution

48 MP
12 MP
12 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 Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size

Rear Camera 2 Resolution

8 MP
12 MP
12 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/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera

Rear Camera 3 Resolution

5 MP
-
-

Rear Camera 3 Type

f/2.4, Macro Camera
-
-

Rear Camera 4 Resolution

5 MP
-
-

Rear Camera 4 Type

f/2.4, Depth Camera
-
-

Rear Aperture

f/2.0
f/1.5
f/1.7

Rear Camera 2 Lens

-
52 mm focal length, 3.6" sensor size, 1 micrometre pixel size
52 mm focal length, 3.6" sensor size, 1 micrometre pixel size

Rear Sensor

-
CMOS image sensor, ISOCELL Plus
CMOS image sensor

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear
Rear

Fingerprint Scanner Type

Optical
-
-

Face Unlock

Yes
Yes
-

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