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Samsung Galaxy M31 vs Xiaomi Redmi Note 9 Pro vs Samsung Galaxy A7 (2018)

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Last Updated: 
14th Jan 2021

Key Feature Comparison

Samsung Galaxy M31
₹15,999
8/10
Xiaomi Redmi Note 9 Pro
₹12,999
8/10
Samsung Galaxy A7 (2018)
₹16,846
8/10
Samsung Galaxy M31
Samsung Galaxy M31
8/10
₹15,999
8/10
VS
Xiaomi Redmi Note 9 Pro
Xiaomi Redmi Note 9 Pro
8/10
₹12,999
8/10
VS
Samsung Galaxy A7 (2018)
Samsung Galaxy A7 (2018)
8/10
₹16,846
8/10
Display
Screen Size
6.4 inches
6.67 inches
6.0 inches
Screen Type
Super AMOLED
IPS LCD
Super AMOLED
Screen Resolution
1080 x 2340 pixels
1080 x 2400 pixels
1080 x 2220 pixels
Pixel Density
403 ppi
395 ppi
411 ppi
Aspect Ratio
19.5:9
20:09
18.5:9
Screen Protection
Corning Gorilla Glass v3
Corning Gorilla Glass v5
Corning Gorilla Glass v3
Screen to Body Ratio
83.92%
84.62%
74.78%
Screen Design
Notch
Punch-Hole Display
Bezel-less
Screen Quality
FHD
FHD
FHD
Peak Brightness
-
450 nits
-
Performance
Operating System
Android v10 (Q)
Android v10 (Q)
Android v8.0 (Oreo)
GPU
Mali-G72 MP3
Adreno 618
Mali-G71 MP2
Chipset
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 720G
Samsung Exynos 7 Octa 7885
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.3 GHz, Dual core, Kryo 465 + 1.8 GHz, Hexa Core, Kryo 465)
Octa core (2.2 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)
Custom User Interface
Samsung One UI
MIUI
-
Clock Speed
2.3 GHz
2.3 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
General
Announced On
25-Feb-20
17-Mar-20
5-Sep-18
Market Status
Available
Available
Available
Brand
Samsung
Xiaomi
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 15,999
Rs. 12,999
Rs. 16,846
Battery
Battery Capacity
6000 mAh
5020 mAh
3300 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-Polymer
Li-ion
Charger Type
Fast, 15W
Fast, 18W
-
USB Type-C
Yes
Yes
No
Fast Charging
Yes
Yes
-
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Memory & Storage
Phone Variants
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
64GB 4GB RAM, 128GB 6GB RAM, 128GB 4GB RAM
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4
Storage Type
UFS 2.1
UFS 2.1
eMMC 5.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
-
Dolby Atmos
NFC
No
No
No
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
-
Yes
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
Front Camera
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1080p30fps
Front Camera Features
HDR
HDR, panorama
HDR
Front Camera Setup
Single, 32MP
Single, 16MP
Single, 24MP
Front Camera 1 Resolution
32 MP
16 MP
24 MP
Front Camera 1 Type
f/2.0 Primary Camera
Primary Camera
f/2.0, Wide Angle Primary Camera
Front Camera 1 Lens
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
1 micrometre pixel size
26 mm focal length
Front Sensor
Exmor RS
-
-
Front Flash
No
-
Yes, LED Flash
Design
Weight
191 grams
209 grams
169 grams
Colors
Black, Blue
Aurora Blue, Glacier White, Interstellar Black, Champagne Gold
Black, Blue, Gold
Build
Back: Plastic
Back: Gorilla Glass
Back: Mineral Glass
Dimensions
159.2 x 75.1 x 8.9 mm
165.7 x 76.6 x 8.8 mm
159.8 x 76.8 x 7.5 mm
SAR Value
Head: 0.383 W/kg
-
-
IP Certification
-
Yes, Splash proof
-
Rear Camera
OIS
No
-
No
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, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
1920x1080 @ 30 fps
Rear Camera Features
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
10 x 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 + 5MP + 2MP
Triple, 24MP + 5MP + 8MP
Rear Camera 1 Resolution
64 MP
48 MP
24 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.79 (upto 10x Digital Zoom) Primary Camera
f/1.7, Wide Angle (78 degree field-of-view) Primary Camera
Rear Camera 1 Lens
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
2.25" sensor size, 1.6 micrometre pixel size
27 mm focal length, 2.8" sensor size, 0.9 micrometre pixel size
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
1.12 micrometre pixel size
-
Rear Camera 3 Resolution
5 MP
5 MP
8 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 3 Lens
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
1.12 micrometre pixel size
18 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
CMOS image sensor, ISOCELL Plus
Exmor-RS CMOS Sensor
Rear Camera 4 Lens
-
1.75 micrometre pixel size
-
Network
Network Support
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
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, MIMO
Yes, Wi-Fi 802.11, a/ac/b/g/n
SIM Slot(s)
Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM
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 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) / 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 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) / 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:...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Side
Side

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