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Samsung Galaxy A31 vs Samsung Galaxy A51 vs Samsung Galaxy S9 Plus

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Last Updated: 
28th Aug 2020

Key Feature Comparison

Samsung Galaxy A31
₹16,999
8/10
Samsung Galaxy A51
₹22,999
8/10
Samsung Galaxy S9 Plus
₹30,999
8/10
Samsung Galaxy A31
Samsung Galaxy A31
8/10
₹16,999
8/10
VS
Samsung Galaxy A51
Samsung Galaxy A51
8/10
₹22,999
8/10
VS
Samsung Galaxy S9 Plus
Samsung Galaxy S9 Plus
8/10
₹30,999
8/10
Display
Screen Size
6.4 inches
6.5 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
411 ppi
405 ppi
531 ppi
Aspect Ratio
20:09
20:09
18.5:9
Screen to Body Ratio
84.92%
87.44%
83.99%
Screen Design
Waterdrop Notch
Punch-Hole Display
Bezel-less
Screen Quality
FHD
FHD
2K
Screen Protection
-
Corning Gorilla Glass v3
Corning Gorilla Glass v5
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, rgbw sensor, Accelerometer, Barometer, Compass, Gyroscope
Performance
GPU
Mali-G52
Mali-G72 MP3
Mali-G72 MP18
Operating System
Android v10 (Q)
Android v10 (Q)
Android v8.0 (Oreo)
Chipset
MediaTek Helio P65
Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9810
CPU
Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
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 GHz
2.3 GHz
2.7 GHz
Architecture
64 bit
64 bit
64 bit
General
Announced On
24-Mar-20
5-Dec-19
5-Feb-18
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 17,999
Rs. 20,450
Rs. 37,218
Memory & Storage
Phone Variants
128GB 6GB RAM
128GB 6GB RAM, 128GB 8GB RAM
64/128/256 GB, 6 GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
Yes, 400 GB
OTG Support
Yes
Yes
Yes
Storage Type
-
UFS 2.0
UFS 2.1
Battery
Battery Capacity
5000 mAh
4000 mAh
3500 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 15W
Fast, 15W
Fast
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Network & Connectivity
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
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
-
No
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
Front Camera
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
1440p30fps
Front Camera Setup
Single, 20MP
Single, 32MP
Single, 8MP
Front Camera 1 Resolution
20 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 Flash
No
No
-
Front Camera Features
-
HDR
Wide Angle Selfie
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
Design
Weight
185 grams
172 grams
189 grams
Colors
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue
Midnight Black, Coral Blue, Lilac Purple, Burgundy Red, Polaris Blue
Dimensions
159.3 x 73.1 x 8.6 mm
158.5 x 73.6 x 7.9 mm
158.1 x 73.8 x 8.5 mm
SAR Value
Head: 1.13 W/kg
Head: 0.598 W/kg
-
Build
-
Back: Plastic
Case: Aluminium, Back: Gorilla Glass
Rear Camera
OIS
No
No
Yes
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
1920x1080 @ 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 + 8MP + 5MP + 5MP
Quad, 48MP + 12MP + 5MP + 5MP
Dual, 12MP + 12MP
Rear Camera 1 Resolution
48 MP
48 MP
12 MP
Rear Camera 1 Type
f/2.0 (upto 8x Digital Zoom) Primary Camera
f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.5, Wide Angle Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.25" sensor size, 0.8 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/2.2, 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/2.4, Depth Camera
f/2.2, Depth Camera
-
Rear Sensor
-
ISO-CELL
CMOS image sensor, ISOCELL Plus
Network
Network Support
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
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
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) / 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), 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) / 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), 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) / 850(band 26), 3G...
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) / ...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
On-screen
On-screen
Rear
Fingerprint Scanner Type
Optical
Optical
-

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