Samsung Galaxy M31 vs Samsung Galaxy A71 vs Samsung Galaxy S9 Plus
Key Feature Comparison
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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)
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)
6000 mAh
4500 mAh
3500 mAh
6.4 inches
6.7 inches
6.2 inches
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 64MP + 12MP + 5MP + 5MP
Dual, 12MP + 12MP
4G
4G
4G
Detailed Specs
Screen Size
6.4 inches
6.7 inches
6.2 inches
Screen Type
Super AMOLED
Super AMOLED
Super AMOLED
Screen Resolution
1080 x 2340 pixels
1080 x 2400 pixels
1440 x 2960 pixels
Pixel Density
403 ppi
393 ppi
531 ppi
Aspect Ratio
19.5:9
20:09
18.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 5
Screen to Body Ratio
83.92%
87.17%
83.99%
Screen Design
Regular notch
Punch hole
Bezel-less
Screen Quality
FHD
FHD
2K
Screen Refresh Rate
-
60 Hz
-
Phone Variants
6GB 64GB, 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 2.1
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, Compass, 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
6000 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
25-Feb-20
5-Dec-19
5-Feb-18
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Model Number
SM-M315FZKDINS
SM-A715FZK2INS
-
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 15,999
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
No
Yes
Yes
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
-
No
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 VoLTE
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) / 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) / ...
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/2.0 Primary Camera
f/2.2 Primary Camera
f/1.7, Wide Angle Primary Camera
Front Camera 1 Lens
26 mm focal length, 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 Sensor
Exmor RS
-
-
Front Aperture
f/2.0
f/2.2
f/1.7
Front Flash
No
No
-
Weight
191 grams
179 grams
189 grams
Colors
Black, 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
159.2 x 75.1 x 8.9 mm
163.6 x 76 x 7.7 mm
158.1 x 73.8 x 8.5 mm
SAR Value
Head: 0.383 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, 1920x1080 @ 30 fps, 1280x720 @ 240 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, 64MP + 8MP + 5MP + 5MP
Quad, 64MP + 12MP + 5MP + 5MP
Dual, 12MP + 12MP
Rear Camera 1 Resolution
64 MP
64 MP
12 MP
Rear Camera 1 Type
f/1.8 (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, 1.7" 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
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 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
52 mm focal length, 3.6" sensor size, 1 micrometre pixel size
Rear Camera 3 Resolution
5 MP
5 MP
-
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
-
Rear Camera 3 Lens
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
-
-
Rear Camera 4 Resolution
5 MP
5 MP
-
Rear Camera 4 Type
f/2.2, Depth Camera
f/2.2, Depth Camera
-
Rear Sensor
ISOCELL Plus
ISOCELL Plus
CMOS image sensor, ISOCELL Plus
Rear Aperture
f/1.8
f/1.8
f/1.5
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
On-Screen
Rear
Face Unlock
Yes
Yes
Yes
Fingerprint Scanner Type
-
Optical
-