Samsung Galaxy M31s vs Samsung Galaxy M31 vs Samsung Galaxy A71
- Updated: 26th Aug 2020, 07:39 IST
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)
Samsung Exynos 9 Octa 9611, Mali-G72 MP3
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 (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Qualcomm Snapdragon 730, Adreno 618
6000 mAh
Li-ion, Fast, 25W
6000 mAh
Li-ion, Fast, 15W
4500 mAh
Li-ion, Fast, 25W
6.5 inches
405 ppi, FHD
6.4 inches
403 ppi, FHD
6.7 inches
393 ppi, FHD
Quad, 64MP + 12MP + 5MP + 5MP
3840x2160 @ 30 fps
Quad, 64MP + 8MP + 5MP + 5MP
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
Quad, 64MP + 12MP + 5MP + 5MP
3840x2160 @ 30 fps
4G
Dual SIM, GSM+GSM
4G
Dual SIM, GSM+GSM, Dual VoLTE
4G
Dual SIM, GSM+GSM
Detailed Specs
Screen Size
6.5 inches
6.4 inches
6.7 inches
Screen Type
Super AMOLED
Super AMOLED
Super AMOLED
Screen Resolution
1080 x 2400 pixels
1080 x 2340 pixels
1080 x 2400 pixels
Pixel Density
405 ppi
403 ppi
393 ppi
Aspect Ratio
20:09
19.5:9
20:09
Screen Protection
Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3
Screen to Body Ratio
91%
83.92%
87.17%
Screen Design
Punch hole
Regular notch
Punch hole
Screen Refresh Rate
60 Hz
-
60 Hz
Screen Quality
FHD
FHD
FHD
Peak Brightness
420 nits
-
-
Phone Variants
8GB 128GB, 6GB 128GB
6GB 64GB, 8GB 128GB, 6GB 128GB
8GB 128GB
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, 512 GB
OTG Support
-
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Operating System
Android v10 (Q)
Android v10 (Q)
Android v10 (Q)
GPU
Mali-G72 MP3
Mali-G72 MP3
Adreno 618
Chipset
Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 730
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
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)
Custom User Interface
Samsung One UI
Samsung One UI
Samsung One UI
Clock Speed
2.3 GHz
2.3 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
10 nm
8 nm
Battery Capacity
6000 mAh
6000 mAh
4500 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 25W
Fast, 15W
Fast, 25W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Announced On
30-Jul-20
25-Feb-20
5-Dec-19
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Model Number
SM-M317FZBDINS
SM-M315FZKDINS
SM-A715FZK2INS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 18,499
Rs. 15,999
Rs. 26,990
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Dolby Atmos
NFC
No
No
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
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
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 17) / 800(band 20) / 850(band 26), 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), 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 17) / 800(band 20) / 850(band 26), 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), 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...
FM Radio
-
Yes
-
Front Video Recording
3840x2160 @ 30 fps
1920x1080 @ 30 fps
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
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
0.8 micrometre pixel size
Front Sensor
Exmor RS
Exmor RS
-
Front Aperture
f/2.2
f/2.0
f/2.2
Front Flash
No
No
No
Weight
203 grams
191 grams
179 grams
Colors
Mirage Black, Mirage Blue
Black, Blue
Prism Crush Black, Prism Crush Blue, Prism Crush Silver
Build
Back: Plastic
Back: Plastic
Back: Plastic
Dimensions
159.3 x 74.4 x 9.3 mm
159.2 x 75.1 x 8.9 mm
163.6 x 76 x 7.7 mm
SAR Value
Head: 1.38 W/kg
Head: 0.383 W/kg
Head: 0.836 W/kg
OIS
No
No
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps
Rear Camera Features
10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 12MP + 5MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 64MP + 12MP + 5MP + 5MP
Rear Camera 1 Resolution
64 MP
64 MP
64 MP
Rear Camera 1 Type
f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) 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, 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/2.4, Macro Camera
f/2.4, Macro Camera
Rear Camera 4 Resolution
5 MP
5 MP
5 MP
Rear Camera 4 Type
f/2.4, Depth Camera
f/2.2, Depth Camera
f/2.2, Depth Camera
Rear Sensor
Exmor-RS CMOS Sensor
ISOCELL Plus
ISOCELL Plus
Rear Aperture
f/1.8
f/1.8
f/1.8
Rear Camera 2 Lens
-
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
Rear Camera 3 Lens
-
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
-
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
Rear
On-Screen
Face Unlock
Yes
Yes
Yes
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