Samsung Galaxy M31 vs Redmi Note 8 vs Samsung Galaxy A50
- Updated: 3rd Mar 2020, 07:28 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 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Qualcomm Snapdragon 665, Adreno 610
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Samsung Exynos 7 Octa 9610, Mali-G72 MP3
6000 mAh
Li-ion, Fast, 15W
4000 mAh
Li-Polymer, Fast, 18W
4000 mAh
Li-ion, Fast, 15W
6.4 inches
403 ppi, FHD
6.3 inches
409 ppi, FHD
6.4 inches
403 ppi, FHD
Quad, 64MP + 8MP + 5MP + 5MP
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
Quad, 48MP + 8MP + 2MP + 2MP
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
Triple, 25MP + 5MP + 8MP
1920x1080 @ 30 fps
4G
Dual SIM, GSM+GSM, Dual VoLTE
4G
Dual SIM, GSM+GSM
4G
Dual SIM, GSM+GSM, Dual VoLTE
Detailed Specs
Screen Size
6.4 inches
6.3 inches
6.4 inches
Screen Type
Super AMOLED
IPS LCD
Super AMOLED
Screen Resolution
1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
403 ppi
409 ppi
403 ppi
Aspect Ratio
19.5:9
19.5:9
19.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 5
Gorilla Glass 3
Screen to Body Ratio
83.92%
90%
91.60%
Screen Design
Regular notch
Waterdrop notch
Waterdrop notch
Screen Quality
FHD
FHD
FHD
Phone Variants
6GB 64GB, 8GB 128GB, 6GB 128GB
4GB 64GB, 3GB 32GB, 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
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 610
Mali-G72 MP3
Chipset
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 665
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, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Custom User Interface
Samsung One UI
MIUI
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
4000 mAh
4000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-Polymer
Li-ion
Charger Type
Fast, 15W
Fast, 18W
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Announced On
25-Feb-20
5-Aug-19
5-Feb-19
Market Status
Available
Available
Available
Brand
Samsung
Xiaomi
Samsung
Model Number
SM-M315FZKDINS
MZB8189IN
SM-A505FZKDINS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 15,999
Rs. 12,499
Rs. 15,868
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
-
Active noise cancellation with dedicated mic
NFC
No
-
No
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
FM Radio
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, 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
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
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 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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...
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR, panorama
Fixed Focus
Front Camera Setup
Single, 32MP
Single, 13MP
Single, 25MP
Front Camera 1 Resolution
32 MP
13 MP
25 MP
Front Camera 1 Type
f/2.0 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
1.12 micrometre pixel size
25 mm focal length
Front Sensor
Exmor RS
-
CMOS
Front Aperture
f/2.0
f/2.0
f/2.0
Front Flash
No
-
No
Weight
191 grams
188 grams
166 grams
Colors
Black, Blue
Nepture Blue, Moonlight White, Cosmic Purple, Space Black
Black, Blue, White
Build
Back: Plastic
Back: Gorilla Glass
Back: Plastic
Dimensions
159.2 x 75.1 x 8.9 mm
158.3 x 75.3 x 8.3 mm
158.5 x 74.5 x 7.7 mm
SAR Value
Head: 0.383 W/kg
Head: 1.13 W/kg, Body: 0.634 W/kg
Head: 0.335 W/kg
Water Resistance
-
Yes, Splash proof
-
OIS
No
No
No
Rear Flash
Yes, LED Flash
Yes, Dual LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
1920x1080 @ 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
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 48MP + 8MP + 2MP + 2MP
Triple, 25MP + 5MP + 8MP
Rear Camera 1 Resolution
64 MP
48 MP
25 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.79 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" sensor size, 0.8 micrometre pixel size
26 mm focal length
Rear Camera 2 Resolution
8 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 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
4.0" sensor size, 1.12 micrometre pixel size
13 mm focal length
Rear Camera 3 Resolution
5 MP
2 MP
8 MP
Rear Camera 3 Type
f/2.4, Macro Camera
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
5.0" sensor size, 1.75 micrometre pixel size
12 mm focal length
Rear Camera 4 Resolution
5 MP
2 MP
-
Rear Camera 4 Type
f/2.2, Depth Camera
f/2.4, Depth Camera
-
Rear Sensor
ISOCELL Plus
ISOCELL Plus
CMOS image sensor
Rear Aperture
f/1.8
f/1.79
f/1.7
Rear Camera 4 Lens
-
5.0" sensor size, 1.75 micrometre pixel size
-
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Rear
On-Screen
Face Unlock
Yes
Yes
Yes
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