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Redmi Note 9 Pro Max Vs Samsung Galaxy M31 Specs Comparison


Samsung Galaxy M31 packs with Exynos 9611 chipset, 4 GB or 6 GB RAM, 64 GB or 128 GB storage, 6.4" Super AMOLED screen, 6000 mAh battery with 15W fast cahrging, quad rear camera with 64 MP main sensor + 8 MP ultra-wide lens + 5 MP depth-sensor lens + 5 MP macro lens, 32 MP front camera, and 210 $ price.

While Redmi Note 9 Pro Max arrives with 6.67" IPS screen, Snapdragon 720G chipset, 6 GB or 8 GB RAM, 64 GB or 128 GB storage, 32 MP front camera, quad rear camera with 64 MP main sensor + 8 MP ultra-wide lens + 2 MP for depth-sensor + 2 MP macro lens, 5020 mAh battery with 33W fast charging and 202 $ price on launch.



Here’s an in-depth specifications comparison Redmi Note 9 Pro Max Vs Samsung Galaxy M31.

Jump to:
  1. System  on  Chip (SOC)
  2. RAM
  3. Storage
  4. Display
  5. Rear Camera 
  6. Front Camera
  7. Battery
  8. Price
  9. Network



Redmi Note 9 Pro Max

Samsung Galaxy M31

Brand and Model   
Brand and Model   
Brand 
Brand 
Xiaomi
Samsung
Model
Model
Redmi Note 9 Pro Max
Galaxy M31
Model Alias
Model Alias
Redmi Note9 Pro Max
SM-M315F
Red Rice Note 9 Pro Max
SM-M315F/DS
Red Rice Note9 Pro Max

Redmi Note 9 Pro Max Operating System 
Galaxy M31 Operating System 
MIUI V11 (Android 10)
Android 10
User Interface (UI)
User Interface (UI)

One UI 2.0



Redmi Note 9 Pro Max System on  Chip (SOC) Galaxy M31 System on  Chip (SOC)
SOC SOC
Qualcomm Snapdragon 720G Samsung Exynos 7 Octa 9611
Process Technology  Process Technology 
8 nm 10 nm
CPU CPU
2x 2.3 GHz Kryo 465 4x 2.3 GHz ARM Cortex-A73
6x 1.8 GHz Kryo 465 4x 1.7 GHz ARM Cortex-A53
CPU Bits  CPU Bits 
64 bit 64 bit
Instruction Set   Instruction Set  
ARMv8.2-A ARMv8-A
CPU Frequency  CPU Frequency 
2300 MHz 2300 MHz 
CPU Cores  CPU Cores 
8 8
GPU GPU
Qualcomm Adreno 618 ARM Mali-G72 MP3
 GPU Cores  GPU Cores
3
 GPU Frequency  GPU Frequency
750 MHz



Redmi Note 9 Pro Max RAM Capacity Galaxy M31 RAM Capacity
6 GB 4 GB 
8 GB 6 GB 
RAM Type   RAM Type  
LPDDR4X LPDDR4X
RAM Channels   RAM Channels  
Double channel Double channel
RAM Frequency   RAM Frequency  
2133 MHz



Redmi Note 9 Pro Max Storage Galaxy M31 Storage
64 GB 64 GB 
128 GB 128 GB 
UFS 2.1 eMMC 5.1
Redmi Note 9 Pro Max Memory Cards Galaxy M31 Memory Cards
microSD microSD
microSDHC
microSDHC
microSDXC microSDXC



Redmi Note 9 Pro Max Display Galaxy M31 Display
Type / Technology  Type / Technology 
IPS Super AMOLED
Diagonal Size  Diagonal Size 
6.67 in 6.4 in 
169.42 mm 162.56 mm 
16.94 cm 16.26 cm 
Width  Width 
2.74 in 2.68 in 
69.52 mm 68.12 mm 
6.95 cm 6.81 cm 
Height  Height 
6.08 in 5.81 in 
154.5 mm 147.6 mm 
15.45 cm 14.76 cm 
Aspect Ratio  Aspect Ratio 
2.222:1
2.167:1
Resolution  Resolution 
1080 x 2400 pixels 1080 x 2340 pixels
Pixel Density  Pixel Density 
395 ppi (pixels per inch) 403 ppi (pixels per inch)
155 ppcm (pixels per centimeter) 158 ppcm (pixels per centimeter)
Color Depth  Color Depth 
24 bit 24 bit
16777216 colors 16777216 colors
Display Area  Display Area 
84.91%
Other Features  Other Features 
Capacitive Capacitive
Scratch resistant Multi-touch
2.5D curved glass screen
Corning Gorilla Glass 5
Corning Gorilla Glass
Infinity-U Display
Widevine L1 certification
Oleophobic coating Peak brightness - 420 cd/m²
1500:1 contrast ratio
450 cd/m² typical brightness
84% NTSC
Redmi Note 9 Pro Max Sensors
Galaxy M31 Sensors
Proximity Proximity
Light
Accelerometer Accelerometer
Compass Compass
Gyroscope Gyroscope
Geomagnetic
Fingerprint Fingerprint
Side-mounted fingerprint sensor Virtual Light Sensor



Redmi Note 9 Pro Max Rear Camera
Galaxy M31 Rear Camera
Sensor Model Sensor Model
Samsung S5KGW1
Sensor type  Sensor type 
CMOS ISOCELL
ISO ISO
100 - 800
Sensor format Sensor format
1/1.7" 1/1.72"
Pixel size Pixel size
0.8 µm (micrometers) 0.8 µm (micrometers)
0.000800 mm
Aperture Aperture
f/1.89 f/1.8
Focal Length  Focal Length
3.58 mm 
27 mm   *(35 mm / full frame)
Flash Type Flash Type
LED LED
Number of Lenses Number of Lenses
6
 Image Resolution   Image Resolution 
9248 x 6936 pixels 9280 x 6944 pixels
64.14 MP 64.44 MP 
Video resolution
Video resolution
3840 x 2160 pixels 3840 x 2160 pixels
8.29 MP 8.29 MP 
Video FPS Video FPS
30 fps (frames per second) 30 fps (frames per second)
Features  Features 
Autofocus Autofocus
Continuous shooting
Digital zoom Digital zoom
Digital image stabilization
Geotagging Geotagging
Panorama Panorama
HDR HDR
Touch focus
Touch focus
Face detection Face detection
White balance settings White balance settings
ISO settings
ISO settings
Exposure compensation Exposure compensation
Self-timer Self-timer
Scene mode Scene mode
Macro mode
Phase detection autofocus (PDAF) Phase detection autofocus (PDAF)
Pixel size - 1.6 μm (4-in-1 pixel binning) Pixel size - 1.6 μm (4-in-1 pixel binning)
10x digital zoom Sensor type - ISOCELL PLUS
Super Phase Detection
Secondary rear camera - 8 MP (ultra-wide)
Secondary rear camera - 8 MP (ultra-wide angle)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2) Aperture size - f/2.2 (#2)
Angle of view - 119° (#2) Angle of view - 123° (#2)
Focal length (35 mm equivalent) - 13 mm (#2)
Third rear camera - 2 MP (depth-sensing) Third rear camera - 5 MP (depth-sensing)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3) Aperture size - f/2.2 (#3)
Fourth rear camera - 5 MP (macro) Fourth rear camera - 5 MP (macro)
Pixel size - 1.12 μm (#4) Aperture size - f/2.2 (#4)
2 cm shooting distance (#4)



Redmi Note 9 Pro Max Front Camera Galaxy M31 Front Camera
Sensor Model Sensor Model
Sony IMX616
Sensor Type Sensor Type
CMOS BSI (backside illumination)
Aperture Aperture
f/2 f/2
Sensor format Sensor format
1/2.8"
Pixel size Pixel size
0.8 µm (micrometers) 0.8 µm (micrometers)
0.000800 mm
Image Resolution  Image Resolution 
6528 x 5472 pixels 6528 x 4896 pixels
35.72 MP 31.96 MP 
Video Resolution Video Resolution
1920 x 1080 pixels 3840 x 2160 pixels
2.07 MP 8.29 MP 
Video FPS Video FPS
30 fps (frames per second) 30 fps (frames per second)
Features  Features 
Face unlock Face unlock
HDR
Face detection
Pixel size - 1.6 μm (4-in-1 pixel binning)
Redmi Note 9 Pro Max Audio Galaxy M31 Audio
Speaker Speaker
Loudspeaker Loudspeaker
Earpiece Earpiece
Smart PA Dolby Atmos
Dual microphones with active noise cancellation
Redmi Note 9 Pro Max Radio Galaxy M31 Radio
Yes Yes
Redmi Note 9 Pro Max Tracking /  Positioning  Galaxy M31 Tracking /  Positioning 
GPS GPS
A-GPS A-GPS
GLONASS GLONASS
Galileo BeiDou
Beidou
NavIC
Redmi Note 9 Pro Max Wi-Fi Galaxy M31 Wi-Fi
802.11a (IEEE 802.11a-1999) 802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999) 802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003) 802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009) 802.11n (IEEE 802.11n-2009)
802.11n 5GHz 802.11n 5GHz
802.11ac (IEEE 802.11ac) 802.11ac (IEEE 802.11ac)
Dual band Dual band
Wi-Fi Hotspot Wi-Fi Hotspot
Wi-Fi Direct Wi-Fi Direct
Wi-Fi Display
2x2 MU-MIMO



Redmi Note 9 Pro Max Bluetooth Galaxy M31 Bluetooth
Version  Version 
5 5
Features  Features 
A2DP (Advanced Audio Distribution Profile) A2DP (Advanced Audio Distribution Profile)
EDR (Enhanced Data Rate) AVRCP (Audio/Visual Remote Control Profile)
DIP (Device ID Profile)
HFP (Hands-Free Profile)
HID (Human Interface Profile) HID (Human Interface Profile)
LE (Low Energy) HSP (Headset Profile)
MAP (Message Access Profile)
OPP (Object Push Profile)
PAN (Personal Area Networking Profile)
PBAP/PAB (Phone Book Access Profile)
HOGP
Redmi Note 9 Pro Max USB Galaxy M31 USB
Connector Type   Connector Type  
USB Type-C USB Type-C
Version Version
2 2
Features  Features 
Charging Charging
Mass storage Mass storage
On-The-Go On-The-Go
Redmi Note 9 Pro Max Headphone Jack Galaxy M31 Headphone Jack
Yes Yes
Redmi Note 9 Pro Max Connectivity  Connectivity
Computer sync Computer sync
OTA sync OTA sync
Infrared Tethering
Tethering ANT+
NFC
VoLTE
ViLTE
VoWiFi
Redmi Note 9 Pro Max Browser Galaxy M31 Browser
HTML HTML
HTML5 HTML5
CSS 3 CSS 3
Redmi Note 9 Pro Max Audio File Formats /  Codecs Galaxy M31 Audio File Formats /  Codecs
AAC (Advanced Audio Coding) AAC (Advanced Audio Coding)
AAC+ / aacPlus / HE-AAC v1
AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga)
AMR-WB (Adaptive Multi-Rate Wideband, .awb) AMR-WB (Adaptive Multi-Rate Wideband, .awb)
aptX / apt-X
aptX HD / apt-X HD / aptX Lossless
eAAC+ / aacPlus v2 / HE-AAC v2 eAAC+ / aacPlus v2 / HE-AAC v2
FLAC (Free Lossless Audio Codec, .flac) FLAC (Free Lossless Audio Codec, .flac)
M4A (MPEG-4 Audio, .m4a)
MIDI MIDI
MP3 (MPEG-2 Audio Layer II, .mp3) MP3 (MPEG-2 Audio Layer II, .mp3)
OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus) OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus)
WMA (Windows Media Audio, .wma) WMA (Windows Media Audio, .wma)
WAV (Waveform Audio File Format, .wav, .wave) WAV (Waveform Audio File Format, .wav, .wave)
LDAC
Redmi Note 9 Pro Max Video File Formats /  Codecs Galaxy M31 Video File Formats /  Codecs
3GPP (3rd Generation Partnership Project, .3gp) 3GPP (3rd Generation Partnership Project, .3gp)
3GPP2 (3rd Generation Partnership Project 2, .3g2)
AVI (Audio Video Interleaved, .avi) AVI (Audio Video Interleaved, .avi)
DivX (.avi, .divx, .mkv)
Flash Video (.flv, .f4v, .f4p, .f4a, .f4b)
H.263 H.263
H.264 / MPEG-4 Part 10 / AVC video H.264 / MPEG-4 Part 10 / AVC video
H.265 / MPEG-H Part 2 / HEVC H.265 / MPEG-H Part 2 / HEVC
MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks) MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks)
MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v) MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)
VC-1 VC-1
VP8
VP9
WebM
WMV (Windows Media Video, .wmv)
WMV7 (Windows Media Video 7, .wmv)
WMV8 (Windows Media Video 8, .wmv)
Xvid Xvid



Redmi Note 9 Pro Max Battery Galaxy M31 Battery
Capacity Capacity
5020 mAh 6000 mAh 
Type  Type 
Li-Ion Li-Ion
Features  Features 
Fast charging Fast charging
Non-removable Non-removable
33W fast charging
 Charger Output Power  Charger Output Power
5 V   / 2 A 
9 V   / 1.67 A 
Redmi Note 9 Pro Max Launch Galaxy M31 Launch
Announced  Announced 
 2020, 12th March  2020, 25th February
Status Status
Release 25th March 2020 Release 5th March 2020



Redmi Note 9 Pro Max Price Galaxy M31 Price
6 GB + 64 GB = 202 $ 4 GB + 64 GB =  210 $
6 GB + 128 GB = 229 $ 6 GB + 128 GB =  225 $
8 GB + 128 GB = 256 $
Redmi Note 9 Pro Max Design Galaxy M31 Design
Colors  Colors 
Glacier White
Interstellar Black Space Black
Aurora Blue Ocean Blue
Width  Width 
76.68 mm
7.67 cm
0.25 ft
3.02 in
Height  Height 
165.5 mm
16.55 cm
0.54 ft
6.52 in
Thickness  Thickness 
8.8 mm 8.9 mm 
0.88 cm 0.89 cm 
0.03 ft 0.03 ft
0.35 in 0.35 in 
Weight  Weight 
209 g 191 g
0.46 lbs 0.42 lbs
7.37 oz 6.74 oz
Volume  Volume 
111.68 cm³
6.78 in³
Body Materials Body Materials
Glass
Plastic Plastic
Redmi Note 9 Pro Max SIM Card Galaxy M31 SIM Card
SIM Card Type   SIM Card Type  
Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm) Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIM Cards  Number of SIM Cards 
2 2
Features Features
Dual SIM stand-by Dual SIM stand-by
Redmi Note 9 Pro Max Mobile Network Technology and Bandwidth Galaxy M31 Mobile Network Technology and Bandwidth
UMTS (384 kbit/s ) UMTS (384 kbit/s )
EDGE EDGE
GPRS GPRS
HSPA+ HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 42 Mbit/s )
LTE Cat 12 (102.0 Mbit/s , 603.0 Mbit/s ) LTE Cat 10 (102.0 Mbit/s , 452.2 Mbit/s )
EV-DO Rev. A (1.8 Mbit/s , 3.1 Mbit/s )
TD-SCDMA
TD-HSDPA



Redmi Note 9 Pro Max Networks Galaxy M31 Networks
GSM GSM
GSM 850 MHz (B5) GSM 850 MHz
GSM 900 MHz (B8) GSM 900 MHz
GSM 1800 MHz (B3) GSM 1800 MHz
GSM 1900 MHz (B2) GSM 1900 MHz
CDMA
CDMA 800 MHz (BC0)
W-CDMA UMTS
W-CDMA 850 MHz (B5) UMTS 850 MHz
W-CDMA 900 MHz (B8) UMTS 900 MHz
W-CDMA 1900 MHz (B2) UMTS 1900 MHz
W-CDMA 2100 MHz (B1) UMTS 2100 MHz
LTE LTE
LTE-FDD 850 MHz (B5) LTE 850 MHz
LTE-FDD 900 MHz (B8) LTE 900 MHz
LTE-FDD 1800 MHz (B3) LTE 1800 MHz
LTE-FDD 2100 MHz (B1) LTE 2100 MHz
LTE-FDD 2600 MHz (B7) LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)

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