Samsung Galaxy M31s vs Samsung Galaxy M40 vs Samsung Galaxy A50
Key Feature Comparison
Show differences only
At a Glance
Show differences only
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
6000 mAh
3500 mAh
4000 mAh
6.5 inches
6.3 inches
6.4 inches
Quad, 64MP + 12MP + 5MP + 5MP
Triple, 32MP + 8MP + 5MP
Triple, 25MP + 5MP + 8MP
4G
4G
4G
Detailed Specs
Screen Size
6.5 inches
6.3 inches
6.4 inches
Screen Type
Super AMOLED
TFT
Super AMOLED
Screen Resolution
1080 x 2400 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
405 ppi
409 ppi
403 ppi
Aspect Ratio
20:09
19.5:9
19.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3
Screen to Body Ratio
91%
91.80%
91.60%
Screen Design
Punch hole
Punch hole
Waterdrop notch
Screen Refresh Rate
60 Hz
-
-
Screen Quality
FHD
FHD
FHD
Peak Brightness
420 nits
-
-
Phone Variants
8GB 128GB, 6GB 128GB
6GB 128GB
6GB 64GB, 4GB 64GB, 6GB 128GB,
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
eMMC 5.1
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 v9.0 (Pie)
Android v9.0 (Pie)
GPU
Mali-G72 MP3
Adreno 612
Mali-G72 MP3
Chipset
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 675
Samsung Exynos 7 Octa 9610
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Custom User Interface
Samsung One UI
Samsung One UI
Samsung One UI
Clock Speed
2.3 GHz
2 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
11 nm
10 nm
Battery Capacity
6000 mAh
3500 mAh
4000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 25W
Fast, 15W
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Announced On
30-Jul-20
5-Jun-19
5-Feb-19
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Model Number
SM-M317FZBDINS
-
SM-A505FZKDINS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 18,499
Rs. 15,999
Rs. 15,868
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Active noise cancellation with dedicated mic
NFC
No
Yes
No
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
No
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
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
USB Type-C
3.5 mm
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, 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) / 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 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
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 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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...
FM Radio
-
Yes
-
Front Video Recording
3840x2160 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR
Fixed Focus
Front Camera Setup
Single, 32MP
Single, 16MP
Single, 25MP
Front Camera 1 Resolution
32 MP
16 MP
25 MP
Front Camera 1 Type
f/2.2 Primary Camera
f/2.0 Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
-
25 mm focal length
Front Sensor
Exmor RS
CMOS
CMOS
Front Aperture
f/2.2
f/2.0
f/2.0
Front Flash
No
No
No
Weight
203 grams
168 grams
166 grams
Colors
Mirage Black, Mirage Blue
Midnight Blue, Seawater Blue, Cocktail Orange
Black, Blue, White
Build
Back: Plastic
Back: Plastic
Back: Plastic
Dimensions
159.3 x 74.4 x 9.3 mm
155.3 x 73.9 x 7.9 mm
158.5 x 74.5 x 7.7 mm
SAR Value
Head: 1.38 W/kg
Head: 0.200 W/kg
Head: 0.335 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
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
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 12MP + 5MP + 5MP
Triple, 32MP + 8MP + 5MP
Triple, 25MP + 5MP + 8MP
Rear Camera 1 Resolution
64 MP
32 MP
25 MP
Rear Camera 1 Type
f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/1.7 (upto 8x Digital Zoom) Primary Camera
f/1.7 Primary Camera
Rear Camera 1 Lens
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
2.8" sensor size, 0.8 micrometre pixel size
26 mm focal length
Rear Camera 2 Resolution
12 MP
8 MP
5 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, Depth Camera
Rear Camera 3 Resolution
5 MP
5 MP
8 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.2, Depth Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 4 Resolution
5 MP
-
-
Rear Camera 4 Type
f/2.4, Depth Camera
-
-
Rear Sensor
Exmor-RS CMOS Sensor
CMOS image sensor
CMOS image sensor
Rear Aperture
f/1.8
f/1.7
f/1.7
Rear Camera 2 Lens
-
12 mm focal length
13 mm focal length
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
Rear
On-Screen
Face Unlock
Yes
Yes
Yes