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Samsung Galaxy M51 vs Samsung Galaxy M31s vs Samsung Galaxy Note 9

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Last Updated: 
20th Sep 2020

Key Feature Comparison

Samsung Galaxy M51
₹22,999
8/10
Samsung Galaxy M31s
₹18,499
8/10
Samsung Galaxy Note 9
₹47,990
8/10
Samsung Galaxy M51
Samsung Galaxy M51
8/10
₹22,999
8/10
VS
Samsung Galaxy M31s
Samsung Galaxy M31s
8/10
₹18,499
8/10
VS
Samsung Galaxy Note 9
Samsung Galaxy Note 9
8/10
₹47,990
8/10
Display
Screen Size
6.7 inches
6.5 inches
6.4 inches
Screen Type
Super AMOLED Plus
Super AMOLED
Super AMOLED
Screen Resolution
1080 x 2400 pixels
1080 x 2400 pixels
1440 x 2960 pixels
Pixel Density
393 ppi
405 ppi
514 ppi
Aspect Ratio
20:09
20:09
18.5:9
Screen Protection
Corning Gorilla Glass v3
Corning Gorilla Glass v3
Corning Gorilla Glass v5
Screen to Body Ratio
91%
91%
84.42%
Screen Design
Punch-Hole Display
Punch-Hole Display
Bezel-less
Screen Quality
FHD
FHD
2K
Peak Brightness
420 nits
420 nits
-
Screen Refresh Rate
-
60 Hz
-
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Barometer, Gyroscope
Performance
GPU
Adreno 618
Mali-G72 MP3
Mali-G72 MP18
Operating System
Android v10 (Q)
Android v10 (Q)
Android v8.1 (Oreo)
Chipset
Qualcomm Snapdragon 730G
Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9810
CPU
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.7 GHz, Quad core, M3 Mongoose + 1.7 GHz, Quad core, Cortex A55)
Custom User Interface
Samsung One UI
Samsung One UI
Samsung One UI
Clock Speed
2.2 GHz
2.3 GHz
2.7 GHz
Architecture
64 bit
64 bit
64 bit
Memory & Storage
Phone Variants
128GB 6GB RAM, 128GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM
512 GB, 8 GB RAM or 128 GB, 6 GB RAM
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
General
Announced On
31-Aug-20
30-Jul-20
5-Aug-18
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 22,990
Rs. 18,499
Rs. 67,900
Battery
Battery Capacity
7000 mAh
6000 mAh
4000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 25W
Fast, 25W
Quick, v2.0, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Dolby Atmos, Dolby Digital, Dolby Digital Plus
NFC
Yes
No
Yes
Bluetooth
Yes
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
3840x2160 @ 30 fps
1440p30fps
Front Camera Features
HDR
HDR
Wide Angle Selfie
Front Camera Setup
Single, 32MP
Single, 32MP
Single, 8MP
Front Camera 1 Resolution
32 MP
32 MP
8 MP
Front Camera 1 Type
f/2.2, Wide Angle Primary Camera
f/2.2 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
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size
Front Sensor
Exmor RS
Exmor RS
-
Front Flash
No
No
-
Design
Weight
213 grams
203 grams
201 grams
Colors
Celestial Black, Electric Blue
Mirage Black, Mirage Blue
Midnight Black, Lavender Purple, Metallic Copper, Ocean Blue, Snow White
Build
Back: Plastic
Back: Plastic
Back: Gorilla Glass
Dimensions
163.9 x 76.3 x 9.5 mm
159.3 x 74.4 x 9.3 mm
161.9 x 76.4 x 8.8 mm
SAR Value
Head: 1.381 W/kg
Head: 1.38 W/kg
-
Rear Camera
OIS
No
No
Yes
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 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
Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 12MP + 5MP + 5MP
Quad, 64MP + 12MP + 5MP + 5MP
Dual, 12MP + 12MP
Rear Camera 1 Resolution
64 MP
64 MP
12 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/1.5, 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, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
Rear Camera 2 Resolution
12 MP
12 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/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
Rear Camera 3 Resolution
5 MP
5 MP
-
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
-
Rear Camera 4 Resolution
5 MP
5 MP
-
Rear Camera 4 Type
f/2.4, Depth Camera
f/2.4, Depth Camera
-
Rear Sensor
Exmor-RS CMOS Sensor, ISOCELL Plus
Exmor-RS CMOS Sensor
ISO-CELL
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 (Hybrid)
Wi-Fi
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
SIM Slot(s)
Dual SIM, GSM+GSM
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
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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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, EDGE: Available...
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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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, EDGE: Available...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
Side
Rear

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