Samsung Galaxy M31s vs Samsung Galaxy A51 8GB RAM

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Comparing the Samsung Galaxy M31s vs Samsung Galaxy A51 8GB RAM 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 M31s scores higher on the Geekbench Multi-Core test with 1,279, while Samsung Galaxy A51 8GB RAM scores 1,196, making Samsung Galaxy M31s the better performer.


Display: Both Samsung Galaxy M31s and Samsung Galaxy A51 8GB RAM offer the same screen size of 6.5 inches and feature the same Super AMOLED display.


Rear Camera: Samsung Galaxy M31s offers a higher rear camera resolution with 64 MP, while Samsung Galaxy A51 8GB RAM offers 48 MP, making Samsung Galaxy M31s better for rear camera photography.


Front Camera: Both Samsung Galaxy M31s and Samsung Galaxy A51 8GB RAM feature a 32 MP primary front camera.


Battery: Samsung Galaxy M31s delivers longer battery life with 18h 35m, while Samsung Galaxy A51 8GB RAM delivers 14h 29m, making Samsung Galaxy M31s the better pick for all day usage.


Storage: Both Samsung Galaxy M31s and Samsung Galaxy A51 8GB RAM offer the same internal storage of 128 GB.


Expert Review: Samsung Galaxy A51 8GB RAM receives a higher expert rating of 8 from the editorial team, while Samsung Galaxy M31s is rated 7.


User Rating: Samsung Galaxy A51 8GB RAM receives a higher user rating of 4.3, while Samsung Galaxy M31s has a rating of 4.2.

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Samsung Galaxy M31s
₹11,999
(Out of Stock)
Samsung Galaxy A51 8GB RAM
₹22,500
(Out of Stock)
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Summary

Spec Score

78%
77%

Release Date

05 Aug, 2020
05 Jun, 2020

Performance

Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611
Octa Core (upto 2.3 GHz)
Octa Core (upto 2.3 GHz)
6 GB RAM
8 GB RAM

Display

6.5 inches (16.51 cm)
6.5 inches (16.51 cm)
Super AMOLED
Super AMOLED
1080x2400 px (FHD+)
1080x2400 px (FHD+)
60 Hz Refresh Rate
60 Hz Refresh Rate

Rear Camera

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

Front Camera

32 MP
32 MP

Battery

6000 mAh
4000 mAh
25W Fast Charging
15W Fast Charging
No Wireless Charging
N/A

Storage

128 GB
128 GB
UFS 2.1
UFS 2.0

Expert Review

7.0/10
8.0/10

Pros

  • Best-in-class battery
  • Great display
  • Daylight photography is good
  • Excellent display
  • Great daylight performance
  • OneUI 2.0 has made the software experience more re

Cons

  • Misses out on high screen refresh rate
  • Not so great for gaming
  • Bloatware
  • Performance could’ve been better
  • Macro lens is not good
  • Battery life is average at best

User Ratings

4.2/5
(112,183 ratings)
4.3/5
(7,197 ratings)

Benchmarks (The higher, the better)

157,068
AnTuTu Score
171,285
AnTuTu Score
18h 35m
Battery Life (PC Mark)
14h 29m
Battery Life (PC Mark)

Video

Videos
6 More Videos
Videos
4 More Videos

User Feedback

General

Launch Date

Aug 05, 2020
(Official)
Jun 05, 2020
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)

Custom UI

Samsung One UI
Samsung One UI

Performance

Performance Rating

Good
Good

Chipset

Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611

Processor

Octa core

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

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

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

10 nm
10 nm

Graphics (GPU)

Mali-G72 MP3
Mali-G72 MP3

RAM

6 GB / 8 GB
6 GB / 8 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.

157,068
171,285

Bootup Time (The lower, the better)

24.0 s
29.0 s

Gaming Test Results

Battery Drain* (The lower, the better)

5.0 %
8.0 %

Heating* (The lower, the better)

33.7 %
32.7 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent

Display Type

Super AMOLED
Super AMOLED

Screen Size

6.5 inches  (16.51 cm)
6.5 inches  (16.51 cm)

Resolution

1080x2400 px (FHD+)
1080x2400 px (FHD+)

Brightness

420 nits
N/A

Refresh Rate

60 Hz
60 Hz

Aspect Ratio

20:9
20:9

Pixel Density

405 ppi
405 ppi

Screen to Body Ratio (calculated)

86.07 %
87.44 %

Screen Protection

Corning Gorilla Glass v3
Corning Gorilla Glass v3

Bezel-less Display

Yes with punch-hole display
Yes with punch-hole display

Screen to Body Ratio (claimed by the brand)

91 %
N/A

Design

Height

159.3 mm
158.5 mm

Width

74.4 mm
73.6 mm

Thickness

9.3 mm
7.9 mm

Weight

203 grams
172 grams

Build Material

Back: Plastic
Back: Plastic

Rear Camera

Rear Camera Rating

Very Good
Very Good

Resolution

64 MP
Primary Camera10x Digital Zoomf/1.8 Wide Angle26 mm focal length 1/1.7" sensor size IMX682 Exmor-RS CMOS Sensor 0.8µm pixel size
48 MP
Primary Camera8x Digital Zoomf/2.026 mm focal length 1/2.25" sensor size S5KGM2 ISO-CELL 0.8µm pixel size
12 MP
f/2.2 Ultra-Wide Angle Camera
12 MP
f/2.2 Ultra-Wide Angle Camera
5 MP
f/2.4 Macro Camera
5 MP
f/2.4 Macro Camera
5 MP
f/2.4 Depth Camera
5 MP
f/2.2 Depth Camera

Autofocus

Yes
Yes

OIS

No
No

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)

Camera Features

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

Video Recording

4k @30 fps
4k @30 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

32 MP
f/2.2 Primary Camera26 mm focal length 1/2.8" sensor size Exmor RS 0.8µm pixel size
32 MP
f/2.2 Primary Camera1/2.8" sensor size 0.8µm pixel size

Autofocus

No
No

Flash

No
No

Video Recording

4k @30 fps
Full HD @30 fps

Compare Camera Samples

Battery

Battery Rating

Very Good
Very Good

Capacity

6000 mAh
4000 mAh

Battery Type

Li-ion
Li-ion

TalkTime

Up to 51 Hours(4G)
Up to 32 Hours(4G)

Quick Charging

Yes 25W Fast Charging
Yes 15W 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.

18h 35m
14h 29m

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

1h 32m 11s
1h 35m 31s

Storage

Internal Storage

128 GB
128 GB

Storage Type

UFS 2.1
UFS 2.0

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 17) / 800(band 20) / 850(band 26)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)

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 17) / 800(band 20) / 850(band 26)
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)

SAR Value

Head: 1.38 W/kg
Head: 0.598 W/kg

Wi-Fi

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

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
Yes

Multimedia

Audio Jack

3.5 mm
3.5 mm

Audio Features

Dolby Atmos
Dolby Atmos

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Side
On-screen

Fingerprint Sensor Type

N/A
Optical

Other Sensors

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