Samsung Galaxy M31 128GB vs Xiaomi Redmi Note 9 Pro 128GB

Share  

Comparing the Samsung Galaxy M31 128GB vs Xiaomi Redmi Note 9 Pro 128GB across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Xiaomi Redmi Note 9 Pro 128GB scores higher on the Geekbench Multi-Core test with 1,754, while Samsung Galaxy M31 128GB scores 1,284, making Xiaomi Redmi Note 9 Pro 128GB the better performer.


Display: Xiaomi Redmi Note 9 Pro 128GB offers a screen size of 6.67 inches, while Samsung Galaxy M31 128GB offers 6.4 inches, making Xiaomi Redmi Note 9 Pro 128GB the larger display of the two. Samsung Galaxy M31 128GB features a Super AMOLED display compared to Xiaomi Redmi Note 9 Pro 128GB's IPS LCD, making Samsung Galaxy M31 128GB the better display of the two.


Rear Camera: Samsung Galaxy M31 128GB offers a higher rear camera resolution with 64 MP, while Xiaomi Redmi Note 9 Pro 128GB offers 48 MP, making Samsung Galaxy M31 128GB better for rear camera photography.


Front Camera: Samsung Galaxy M31 128GB offers a higher front camera resolution with 32 MP, while Xiaomi Redmi Note 9 Pro 128GB offers 16 MP, making Samsung Galaxy M31 128GB better for front camera photography.


Battery: Samsung Galaxy M31 128GB offers a higher battery capacity with 6000 mAh, while Xiaomi Redmi Note 9 Pro 128GB offers 5020 mAh, making Samsung Galaxy M31 128GB better for longer battery life.


Storage: Both Samsung Galaxy M31 128GB and Xiaomi Redmi Note 9 Pro 128GB offer the same internal storage of 128 GB.


Expert Review: Xiaomi Redmi Note 9 Pro 128GB receives a higher expert rating of 8 from the editorial team, while Samsung Galaxy M31 128GB is rated 7.


User Rating: Xiaomi Redmi Note 9 Pro 128GB receives a higher user rating of 4.3, while Samsung Galaxy M31 128GB has a rating of 4.2.

...read more
Samsung Galaxy M31 128GB
₹18,000
(Out of Stock)
Xiaomi Redmi Note 9 Pro 128GB
₹13,699
(Out of Stock)
Add to Compare

Summary

Release Date

06 Apr, 2020
17 Mar, 2020
16 Jul, 2026

Performance

N/A
Samsung Exynos 9 Octa 9611
Snapdragon 720G
Unisoc T7100
Octa Core (upto 2.3 GHz)
Octa Core (upto 2.3 GHz)
Octa Core (upto 1.8 GHz)
6 GB RAM
6 GB RAM
3 GB RAM

Display

N/A
6.4 inches (16.26 cm)
6.67 inches (16.94 cm)
6.56 inches (16.66 cm)
Super AMOLED
IPS LCD
IPS LCD
1080x2340 px (FHD+)
1080x2400 px (FHD+)
N/A
N/A
N/A
90 Hz Refresh Rate

Rear Camera

N/A
64 MP
Primary Camera
48 MP
Primary Camera
8 MP
Primary Camera
8 MP
Ultra-Wide Angle Camera
8 MP
Ultra-Wide Angle Camera
N/A
5 MP
Macro Camera
5 MP
Macro Camera
N/A
5 MP
Depth Camera
2 MP
Depth Camera
N/A

Front Camera

N/A
32 MP
16 MP
5 MP

Battery

N/A
6000 mAh
5020 mAh
5000 mAh
15W Fast Charging
18W Fast Charging
10W
No Wireless Charging
No Wireless Charging
N/A

Storage

128 GB
128 GB
64 GB
UFS 2.1
UFS 2.1
eMMC 5.0

Expert Review

7.0/10
8.0/10
N/A

Pros

  • Terrific battery life
  • Attractive AMOLED display
  • Smooth software experience
  • Stellar design 
  • The primary camera is quite good
  • Amazing battery life
  • Device yet to be reviewed

Cons

  • Poor low light camera performance
  • Processor could be better
  • Uninspiring design
  • Gaming is weaker than Realme 6's MediaTek G90T
  • Pricing is confusing
  • Device yet to be reviewed

User Ratings

4.2/5
(313,183 ratings)
4.3/5
(131,912 ratings)
N/A

Benchmarks (The higher, the better)

194,497
AnTuTu Score
N/A
N/A
15h 43m
Battery Life (PC Mark)
N/A
N/A

Compare Prices

Not Available in any store
Not Available in any store
₹8,599

Video

Videos
11 More Videos
Videos
9 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

Apr 06, 2020
(Official)
Mar 17, 2020
(Official)
Jul 16, 2026
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)
Android v15

Custom UI

Samsung One UI
MIUI
Android Go

Performance

Performance Rating

Good
Good
N/A

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 720G
Unisoc T7100

Processor

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

1.8 GHz, Quad core, Cortex A75 1.2 GHz, Quad core, Cortex A55

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

10 nm
8 nm
12 nm

Graphics (GPU)

Mali-G72 MP3
Adreno 618
PowerVR GE8322

RAM

6 GB / 8 GB
4 GB / 6 GB
3 GB / 4 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

194,497
N/A
N/A

Bootup Time (The lower, the better)

26.0 s
26.0 s
N/A

Gaming Test Results

Battery Drain* (The lower, the better)

6.0 %
2.0 %
N/A

Heating* (The lower, the better)

48.3 %
15.8 %
N/A
* after 30 mins of gaming

Display

Display Rating

Best In Class
Excellent
N/A

Display Type

Super AMOLED
IPS LCD
IPS LCD

Screen Size

6.4 inches  (16.26 cm)
6.67 inches  (16.94 cm)
6.56 inches  (16.66 cm)

Resolution

1080x2340 px (FHD+)
1080x2400 px (FHD+)
N/A

Brightness

N/A
450 nits
400 nits

Refresh Rate

N/A
N/A
90 Hz

Aspect Ratio

19.5:9
20:9
N/A

Pixel Density

403 ppi
395 ppi
269 ppi

Screen to Body Ratio (calculated)

83.92 %
84.62 %
N/A

Screen Protection

Corning Gorilla Glass v3
Corning Gorilla Glass v5
N/A

Bezel-less Display

Yes with notch
Yes with punch-hole display
N/A

Design

Height

159.2 mm
165.7 mm
N/A

Width

75.1 mm
76.6 mm
N/A

Thickness

8.9 mm
8.8 mm
8.49 mm

Weight

191 grams
209 grams
N/A

Build Material

Back: Plastic
Back: Gorilla Glass
N/A

Water Resistance

N/A
Yes Splash proof
N/A

Rear Camera

Rear Camera Rating

Very Good
Very Good
N/A

Resolution

64 MP
Primary Camera8x Digital Zoomf/1.826 mm focal length 1/1.7" sensor size S5KGW1 ISOCELL Plus 0.8µm pixel size
48 MP
Primary Camera10x Digital Zoomf/1.791/2.25" sensor size S5KGM2 CMOS image sensor ISOCELL Plus 1.6µm pixel size
8 MP
Primary Cameraf/2GC08A8 1.12µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length 1/4.0" sensor size 1.12µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera1.12µm pixel size
N/A
5 MP
f/2.4 Macro Camera25 mm focal length 1/5.0" sensor size 1.12µm pixel size
5 MP
f/2.4 Macro Camera1.12µm pixel size
N/A
5 MP
f/2.2 Depth Camera
2 MP
f/2.4 Depth Camera1.75µm pixel size
N/A

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus
N/A

OIS

No
N/A
No

Flash

Yes LED Flash
Yes LED Flash
Yes LED Flash

Image Resolution

9000 x 7000 Pixels
8000 x 6000 Pixels
N/A

Settings

Exposure compensation ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
Burst mode
Macro Mode
N/A

Camera Features

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus
10 x Digital Zoom
Auto Flash
Custom Watermark
Face detection
Touch to focus
Digital Zoom

Video Recording

4k @30 fps
Full HD @30 fps
HD @240 fps
4k @30 fps
Full HD @60 fps
HD @960 fps
N/A

Video Recording Features

N/A
Slow Motion
Macro Video
Kaleidoscope
Short Video Mode
N/A

Front Camera

Front Camera Rating

Very Good
Very Good
N/A

Resolution

32 MP
f/2.0 Primary Camera26 mm focal length 1/2.8" sensor size Exmor RS 0.8µm pixel size
16 MP
Primary Camera1µm pixel size
5 MP
Primary Camera1.12µm pixel size

Autofocus

No
N/A
N/A

Flash

No
N/A
No

Video Recording

Full HD @30 fps
Full HD @30 fps
HD @30 fps
N/A

Battery

Battery Rating

Very Good
Very Good
N/A

Capacity

6000 mAh
5020 mAh
5000 mAh

Battery Type

Li-ion
Li-Polymer
N/A

TalkTime

Up to 48 Hours(4G)
Up to 29 Hours(2G)
N/A

Quick Charging

Yes 15W Fast Charging
Yes 18W Fast Charging
Yes 10W

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

15h 43m
N/A
N/A

Charging Time (20% to 100%) (The lower, the better)

2h 1m 8s
2h 15m 7s
N/A

Storage

Internal Storage

64 GB / 128 GB
64 GB / 128 GB
64 GB

Storage Type

UFS 2.1
UFS 2.1
eMMC 5.0

Expandable Storage

Yes Up to 512 GB
Yes Up to 512 GB
N/A

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Single SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano
N/A

Network Support

5G Not Supported 4G
5G Not Supported 4G
5G Not Supported 4G

VoLTE

Yes
Yes
Yes

SIM 1

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)
4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
N/A

SIM 2

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)
4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
N/A

SAR Value

Head: 0.383 W/kg
Head: 0.898 W/kg Body: 0.483 W/kg
N/A

Wi-Fi

Yes Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Yes Wi-Fi 5 (802.11 b/g/n/ac) MIMO
Yes Wi-Fi 4 (802.11 n)

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot
N/A

Bluetooth

Yes v5.0
Yes v5.0
Yes

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass
N/A

NFC

No
No
N/A

IR Blaster

N/A
N/A
Yes

Multimedia

Audio Jack

3.5 mm
3.5 mm
N/A

Audio Features

Dolby Atmos
N/A
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

Rear
Side
Side

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope
N/A

Compare Prices

Not Available in any store
Not Available in any store
₹8,599