Samsung Galaxy M31 vs Xiaomi Redmi Note 9 Pro vs Redmi Note 8 Pro
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)
Octa core (2.3 GHz, Dual core, Kryo 465 + 1.8 GHz, Hexa Core, Kryo 465)
Octa core (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
6000 mAh
5020 mAh
4500 mAh
6.4 inches
6.67 inches
6.53 inches
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 48MP + 8MP + 5MP + 2MP
Quad, 64MP + 8MP + 2MP + 2MP
4G
4G
4G
Detailed Specs
Screen Size
6.4 inches
6.67 inches
6.53 inches
Screen Type
Super AMOLED
IPS LCD
IPS LCD
Screen Resolution
1080 x 2340 pixels
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
403 ppi
395 ppi
395 ppi
Aspect Ratio
19.5:9
20:09
19.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 5
Gorilla Glass 5
Screen to Body Ratio
83.92%
84.62%
91.40%
Screen Design
Regular notch
Punch hole
Waterdrop notch
Screen Quality
FHD
FHD
FHD
Peak Brightness
-
450 nits
500 nits
Phone Variants
6GB 64GB, 8GB 128GB, 6GB 128GB
4GB 64GB, 6GB 128GB, 4GB 128GB
6GB 64GB, 8GB 128GB, 6GB 128GB
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
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, Compass, Gyroscope
Operating System
Android v10 (Q)
Android v10 (Q)
Android v9.0 (Pie)
GPU
Mali-G72 MP3
Adreno 618
Mali-G76 MP4
Chipset
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 720G
MediaTek Helio G90T
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 (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Custom User Interface
Samsung One UI
MIUI
MIUI
Clock Speed
2.3 GHz
2.3 GHz
2.05 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
8 nm
12 nm
Battery Capacity
6000 mAh
5020 mAh
4500 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-Polymer
Li-Polymer
Charger Type
Fast, 15W
Fast, 18W
Fast, 18W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Announced On
25-Feb-20
17-Mar-20
5-Aug-19
Market Status
Available
Available
Available
Brand
Samsung
Xiaomi
Xiaomi
Model Number
SM-M315FZKDINS
M2003J6A1I
MZB8307IN
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 15,999
Rs. 12,999
Rs. 14,872
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
Yes
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, ac/b/g/n, MIMO
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
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 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 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 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 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...
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
Front Camera Features
HDR
HDR, panorama
HDR
Front Camera Setup
Single, 32MP
Single, 16MP
Single, 20MP
Front Camera 1 Resolution
32 MP
16 MP
20 MP
Front Camera 1 Type
f/2.0 Primary Camera
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 micrometre pixel size
0.9 micrometre pixel size
Front Sensor
Exmor RS
-
-
Front Aperture
f/2.0
-
f/2.0
Front Flash
No
-
-
Weight
191 grams
209 grams
200 grams
Colors
Black, Blue
Aurora Blue, Glacier White, Interstellar Black, Champagne Gold
Gamma Green, Halo White, Shadow Black, Electric Blue
Build
Back: Plastic
Back: Gorilla Glass
Back: Gorilla Glass
Dimensions
159.2 x 75.1 x 8.9 mm
165.7 x 76.6 x 8.8 mm
161.7 x 76.4 x 8.8 mm
SAR Value
Head: 0.383 W/kg
-
Head: 1.130 W/kg, Body: 0.634 W/kg
Water Resistance
-
Yes, Splash proof
Yes, Splash proof
OIS
No
-
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, Dual LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 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
10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 48MP + 8MP + 5MP + 2MP
Quad, 64MP + 8MP + 2MP + 2MP
Rear Camera 1 Resolution
64 MP
48 MP
64 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.79 (upto 10x Digital Zoom) Primary Camera
f/1.89 (upto 10x Digital Zoom) 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
1.7" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
8 MP
8 MP
8 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, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
1.12 micrometre pixel size
1.12 micrometre pixel size
Rear Camera 3 Resolution
5 MP
5 MP
2 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Macro Camera
Rear Camera 3 Lens
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
1.12 micrometre pixel size
1.75 micrometre pixel size
Rear Camera 4 Resolution
5 MP
2 MP
2 MP
Rear Camera 4 Type
f/2.2, Depth Camera
f/2.4, Depth Camera
f/2.4, Depth Camera
Rear Sensor
ISOCELL Plus
CMOS image sensor, ISOCELL Plus
ISOCELL Plus
Rear Aperture
f/1.8
f/1.79
f/1.89
Rear Camera 4 Lens
-
1.75 micrometre pixel size
1.75 micrometre pixel size
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Side
Rear
Face Unlock
Yes
Yes
Yes