Samsung Galaxy M31 vs Xiaomi Redmi Note 9

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Comparing the Samsung Galaxy M31 vs Xiaomi Redmi Note 9 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: Samsung Galaxy M31 runs at a higher processing speed of 2.3 GHz, while Xiaomi Redmi Note 9 runs at 2.0 GHz, making Samsung Galaxy M31 the better performer.


Display: Xiaomi Redmi Note 9 offers a screen size of 6.53 inches, while Samsung Galaxy M31 offers 6.4 inches, making Xiaomi Redmi Note 9 the larger display of the two. Samsung Galaxy M31 features a Super AMOLED display compared to Xiaomi Redmi Note 9's IPS LCD, making Samsung Galaxy M31 the better display of the two.


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


Front Camera: Samsung Galaxy M31 offers a higher front camera resolution with 32 MP, while Xiaomi Redmi Note 9 offers 13 MP, making Samsung Galaxy M31 better for front camera photography.


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


Storage: Both Samsung Galaxy M31 and Xiaomi Redmi Note 9 offer the same internal storage of 64 GB.


Expert Review: The editorial team rates both Samsung Galaxy M31 and Xiaomi Redmi Note 9 equally at 7.


User Rating: Samsung Galaxy M31 and Xiaomi Redmi Note 9 both receive the same user rating of 4.3.

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Samsung Galaxy M31
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Summary

Spec Score

78%
75%

Release Date

04 Mar, 2020
24 Jul, 2020

Performance

Samsung Exynos 9 Octa 9611
MediaTek Helio G85
Octa Core (upto 2.3 GHz)
Octa Core (upto 2 GHz)
6 GB RAM
4 GB RAM

Display

6.4 inches (16.26 cm)
6.53 inches (16.59 cm)
Super AMOLED
IPS LCD
1080x2340 px (FHD+)
1080x2340 px (FHD+)
60 Hz Refresh Rate
60 Hz Refresh Rate

Rear Camera

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

Front Camera

32 MP
13 MP
Wide Angle Lens

Battery

6000 mAh
5020 mAh
15W Fast Charging
22.5W Fast Charging
No Wireless Charging
No Wireless Charging

Storage

64 GB
64 GB
UFS 2.1
eMMC 5.1

Expert Review

7.0/10
7.0/10

Pros

  • Terrific battery life
  • Attractive AMOLED display
  • Smooth software experience
  • Solid battery life
  • Crisp 1080p display
  • Decent cameras

Cons

  • Poor low light camera performance
  • Processor could be better
  • Uninspiring design
  • Competition offers better performance
  • Average design
  • Night mode could be better

User Ratings

4.3/5
(11,661 ratings)
4.3/5
(213,675 ratings)

Benchmarks (The higher, the better)

N/A
200,953
AnTuTu Score
N/A
15h 15m
Battery Life (PC Mark)

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Video

Videos
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Videos
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User Feedback

General

Launch Date

Mar 04, 2020
(Official)
Jul 24, 2020
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)

Custom UI

Samsung One UI
MIUI

Performance

Performance Rating

Good
Good

Chipset

Samsung Exynos 9 Octa 9611
MediaTek Helio G85

Processor

Octa core

2.3 GHz, Quad core, Cortex A73 1.7 GHz, Quad core, Cortex A53
Octa core

2 GHz, Dual core, Cortex A75 2 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

10 nm
12 nm

Graphics (GPU)

Mali-G72 MP3
Mali-G52

RAM

6 GB / 8 GB
4 GB / 6 GB

RAM Type

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.

N/A
200,953

Bootup Time (The lower, the better)

N/A
23.0 s

Gaming Test Results

Battery Drain* (The lower, the better)

N/A
7.0 %

Heating* (The lower, the better)

N/A
20.4 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent

Display Type

Super AMOLED
IPS LCD

Screen Size

6.4 inches  (16.26 cm)
6.53 inches  (16.59 cm)

Resolution

1080x2340 px (FHD+)
1080x2340 px (FHD+)

Brightness

N/A
450 nits

Refresh Rate

60 Hz
60 Hz

Aspect Ratio

19.5:9
19.5:9

Pixel Density

403 ppi
395 ppi

Screen to Body Ratio (calculated)

83.92 %
84.37 %

Screen Protection

Corning Gorilla Glass v3
Corning Gorilla Glass v5

Bezel-less Display

Yes with notch
Yes with punch-hole display

Design

Height

159.2 mm
161.4 mm

Width

75.1 mm
76.7 mm

Thickness

8.9 mm
8.7 mm

Weight

191 grams
199 grams

Build Material

Back: Plastic
Back: Plastic

Water Resistance

N/A
Yes Splash proof

Rear Camera

Rear Camera Rating

Very Good
Very Good

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 Cameraf/1.7926 mm focal length 1/2" sensor size S5KGM1 ISOCELL Plus 0.8µm 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 Camera1/4.0" sensor size 1.12µm pixel size
5 MP
f/2.4 Macro Camera25 mm focal length 1/5.0" sensor size 1.12µm pixel size
2 MP
f/2.4 Macro Camera1.75µm pixel size
5 MP
f/2.2 Depth Camera
2 MP
f/2.4 Depth Camera1/5.0" sensor size

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus

OIS

No
N/A

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

9000 x 7000 Pixels
8000 x 6000 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
Burst mode

Camera Features

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

4k @30 fps
Full HD @30 fps
HD @240 fps
Full HD @30 fps
HD @30 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

32 MP
f/2.0 Primary Camera26 mm focal length 1/2.8" sensor size Exmor RS 0.8µm pixel size
13 MP
f/2.25 Wide Angle Primary Camera1/3" sensor size 1.12µm pixel size

Autofocus

No
N/A

Flash

No
N/A

Video Recording

Full HD @30 fps
Full HD @30 fps

Compare Camera Samples

Battery

Battery Rating

Very Good
Very Good

Capacity

6000 mAh
5020 mAh

Battery Type

Li-ion
Li-Polymer

TalkTime

Up to 48 Hours(4G)
N/A

Quick Charging

Yes 15W Fast Charging
Yes 22.5W Fast Charging

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.

N/A
15h 15m

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

N/A
2h 32m 20s

Storage

Internal Storage

64 GB / 128 GB
64 GB / 128 GB

Storage Type

UFS 2.1
eMMC 5.1

Expandable Storage

Yes Up to 512 GB
Yes Up to 512 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

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

VoLTE

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)

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) / 1900(band 2) / 850(band 5)

SAR Value

Head: 0.383 W/kg
Head: 0.853 W/kg Body: 0.433 W/kg

Wi-Fi

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

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

No
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
Rear

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope

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₹10,890