Samsung Galaxy M31 vs Samsung Galaxy A50 vs Samsung Galaxy S9
- Updated: 20th Mar 2020, 08:37 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 7 Octa 9610, Mali-G72 MP3
Octa core (2.7 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)
Samsung Exynos 9 Octa 9810, Mali-G72 MP18
6000 mAh
Li-ion, Fast, 15W
4000 mAh
Li-ion, Fast, 15W
3000 mAh
Li-ion, Fast
6.4 inches
403 ppi, FHD
6.4 inches
403 ppi, FHD
5.8 inches
568 ppi, 2K
Quad, 64MP + 8MP + 5MP + 5MP
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
Triple, 25MP + 5MP + 8MP
1920x1080 @ 30 fps
Single, 12MP
3840x2160 @ 60 fps, 1920x1080 @ 60 fps, 1280x720 @ 30 fps
4G
Dual SIM, GSM+GSM, Dual VoLTE
4G
Dual SIM, GSM+GSM, Dual VoLTE
4G
Dual SIM, GSM+GSM, Dual VoLTE
Detailed Specs
Screen Size
6.4 inches
6.4 inches
5.8 inches
Screen Type
Super AMOLED
Super AMOLED
Super AMOLED
Screen Resolution
1080 x 2340 pixels
1080 x 2340 pixels
1440 x 2960 pixels
Pixel Density
403 ppi
403 ppi
568 ppi
Aspect Ratio
19.5:9
19.5:9
18.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 5
Screen to Body Ratio
83.92%
91.60%
84.51%
Screen Design
Regular notch
Waterdrop notch
Bezel-less
Screen Quality
FHD
FHD
2K
Phone Variants
6GB 64GB, 8GB 128GB, 6GB 128GB
6GB 64GB, 4GB 64GB, 6GB 128GB,
4GB 256GB, 4GB 128GB, 4GB 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 v9.0 (Pie)
Android v8.0 (Oreo)
GPU
Mali-G72 MP3
Mali-G72 MP3
Mali-G72 MP18
Chipset
Samsung Exynos 9 Octa 9611
Samsung Exynos 7 Octa 9610
Samsung Exynos 9 Octa 9810
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.3 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
2.3 GHz
2.3 GHz
2.7 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
10 nm
10 nm
Battery Capacity
6000 mAh
4000 mAh
3000 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
Announced On
25-Feb-20
5-Feb-19
5-Feb-18
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Model Number
SM-M315FZKDINS
SM-A505FZKDINS
SM-G960FZBDINS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 15,999
Rs. 15,868
Rs. 33,999
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Active noise cancellation with dedicated mic
Dolby Atmos
NFC
No
No
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, a/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 VoLTE
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
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, 4G Speed: 200 Mbit/s 1200 Mbit/s (LTE category 18), 3G Speed: HSDPA 42.2 Mbit/s , HSUPA 5.76 Mbit/s , 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 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
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...
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, 4G Speed: 200 Mbit/s 1200 Mbit/s (LTE category 18), 3G Speed: HSDPA 42.2 Mbit/s , GPRS: Available, EDGE: Ava...
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
1440p30fps
Front Camera Features
HDR
Fixed Focus
Wide Angle Selfie
Front Camera Setup
Single, 32MP
Single, 25MP
Single, 8MP
Front Camera 1 Resolution
32 MP
25 MP
8 MP
Front Camera 1 Type
f/2.0 Primary Camera
f/2.0 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
25 mm focal length
25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size
Front Sensor
Exmor RS
CMOS
-
Front Aperture
f/2.0
f/2.0
f/1.7
Front Flash
No
No
-
Weight
191 grams
166 grams
163 grams
Colors
Black, Blue
Black, Blue, White
Midnight Black, Coral Blue, Lilac Purple
Build
Back: Plastic
Back: Plastic
Back: Gorilla Glass
Dimensions
159.2 x 75.1 x 8.9 mm
158.5 x 74.5 x 7.7 mm
147.7 x 68.7 x 8.5 mm
SAR Value
Head: 0.383 W/kg
Head: 0.335 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
1920x1080 @ 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
Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Digital image stabilization, Face detection, Simultaneous HD video and image recording, Touch to focus
Rear Camera Setup
Quad, 64MP + 8MP + 5MP + 5MP
Triple, 25MP + 5MP + 8MP
Single, 12MP
Rear Camera 1 Resolution
64 MP
25 MP
12 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.7 Primary Camera
f/2.4 (upto 8x Digital Zoom), 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
26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
Rear Camera 2 Resolution
8 MP
5 MP
-
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Depth Camera
-
Rear Camera 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
13 mm focal length
-
Rear Camera 3 Resolution
5 MP
8 MP
-
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
-
Rear Camera 3 Lens
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
12 mm focal length
-
Rear Camera 4 Resolution
5 MP
-
-
Rear Camera 4 Type
f/2.2, Depth Camera
-
-
Rear Sensor
ISOCELL Plus
CMOS image sensor
CMOS image sensor, ISOCELL Plus
Rear Aperture
f/1.8
f/1.7
f/2.4
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
On-Screen
Rear
Face Unlock
Yes
Yes
Yes
Fingerprint Scanner Type
-
Optical
-
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