Samsung Galaxy A51 8GB RAM vs Samsung Galaxy M31 8GB RAM

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Comparing the Samsung Galaxy A51 8GB RAM vs Samsung Galaxy M31 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 M31 8GB RAM scores higher on the Geekbench Multi-Core test with 1,284, while Samsung Galaxy A51 8GB RAM scores 1,196, making Samsung Galaxy M31 8GB RAM the better performer.


Display: Samsung Galaxy A51 8GB RAM offers a screen size of 6.5 inches, while Samsung Galaxy M31 8GB RAM offers 6.4 inches, making Samsung Galaxy A51 8GB RAM the larger display of the two. Both Samsung Galaxy A51 8GB RAM and Samsung Galaxy M31 8GB RAM feature the same Super AMOLED display.


Rear Camera: Samsung Galaxy M31 8GB RAM offers a higher rear camera resolution with 64 MP, while Samsung Galaxy A51 8GB RAM offers 48 MP, making Samsung Galaxy M31 8GB RAM better for rear camera photography.


Front Camera: Both Samsung Galaxy A51 8GB RAM and Samsung Galaxy M31 8GB RAM feature a 32 MP primary front camera.


Battery: Samsung Galaxy M31 8GB RAM delivers longer battery life with 15h 43m, while Samsung Galaxy A51 8GB RAM delivers 14h 29m, making Samsung Galaxy M31 8GB RAM the better pick for all day usage.


Storage: Both Samsung Galaxy A51 8GB RAM and Samsung Galaxy M31 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 M31 8GB RAM is rated 7.


User Rating: Samsung Galaxy A51 8GB RAM receives a higher user rating of 4.3, while Samsung Galaxy M31 8GB RAM has a rating of 4.2.

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Samsung Galaxy A51 8GB RAM
₹22,500
(Out of Stock)
Samsung Galaxy M31 8GB RAM
₹18,999
(Out of Stock)
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Summary

Spec Score

77%
79%

Release Date

05 Jun, 2020
29 May, 2020

Performance

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

Display

6.5 inches (16.51 cm)
6.4 inches (16.26 cm)
Super AMOLED
Super AMOLED
1080x2400 px (FHD+)
1080x2340 px (FHD+)
60 Hz Refresh Rate
N/A

Rear Camera

48 MP
Primary Camera
64 MP
Primary Camera
12 MP
Ultra-Wide Angle Camera
8 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

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

Storage

128 GB
128 GB
UFS 2.0
UFS 2.1

Expert Review

8.0/10
7.0/10

Pros

  • Excellent display
  • Great daylight performance
  • OneUI 2.0 has made the software experience more re
  • Terrific battery life
  • Attractive AMOLED display
  • Smooth software experience

Cons

  • Performance could’ve been better
  • Macro lens is not good
  • Battery life is average at best
  • Poor low light camera performance
  • Processor could be better
  • Uninspiring design

User Ratings

4.3/5
(7,197 ratings)
4.2/5
(313,358 ratings)

Benchmarks (The higher, the better)

171,285
AnTuTu Score
194,497
AnTuTu Score
14h 29m
Battery Life (PC Mark)
15h 43m
Battery Life (PC Mark)

Video

Videos
4 More Videos
Videos
11 More Videos

User Feedback

General

Launch Date

Jun 05, 2020
(Official)
May 29, 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.

171,285
194,497

Bootup Time (The lower, the better)

29.0 s
26.0 s

Gaming Test Results

Battery Drain* (The lower, the better)

8.0 %
6.0 %

Heating* (The lower, the better)

32.7 %
48.3 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Best In Class

Display Type

Super AMOLED
Super AMOLED

Screen Size

6.5 inches  (16.51 cm)
6.4 inches  (16.26 cm)

Resolution

1080x2400 px (FHD+)
1080x2340 px (FHD+)

Refresh Rate

60 Hz
N/A

Aspect Ratio

20:9
19.5:9

Pixel Density

405 ppi
403 ppi

Screen to Body Ratio (calculated)

87.44 %
83.92 %

Screen Protection

Corning Gorilla Glass v3
Corning Gorilla Glass v3

Bezel-less Display

Yes with punch-hole display
Yes with notch

Design

Height

158.5 mm
159.2 mm

Width

73.6 mm
75.1 mm

Thickness

7.9 mm
8.9 mm

Weight

172 grams
191 grams

Build Material

Back: Plastic
Back: Plastic

Rear Camera

Rear Camera Rating

Very Good
Very Good

Resolution

48 MP
Primary Camera8x Digital Zoomf/2.026 mm focal length 1/2.25" sensor size S5KGM2 ISO-CELL 0.8µm pixel size
64 MP
Primary Camera8x Digital Zoomf/1.826 mm focal length 1/1.7" sensor size S5KGW1 ISOCELL Plus 0.8µm pixel size
12 MP
f/2.2 Ultra-Wide Angle Camera
8 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length 1/4.0" sensor size 1.12µm pixel size
5 MP
f/2.4 Macro Camera
5 MP
f/2.4 Macro Camera25 mm focal length 1/5.0" sensor size 1.12µm pixel size
5 MP
f/2.2 Depth Camera
5 MP
f/2.2 Depth Camera

Autofocus

Yes
Yes Phase Detection Autofocus

OIS

No
No

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

8000 x 6000 Pixels
9000 x 7000 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

8 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
Full HD @30 fps
HD @240 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

32 MP
f/2.2 Primary Camera1/2.8" sensor size 0.8µm pixel size
32 MP
f/2.0 Primary Camera26 mm focal length 1/2.8" sensor size Exmor RS 0.8µm pixel size

Autofocus

No
No

Flash

No
No

Video Recording

Full HD @30 fps
Full HD @30 fps

Compare Camera Samples

Battery

Battery Rating

Very Good
Very Good

Capacity

4000 mAh
6000 mAh

Battery Type

Li-ion
Li-ion

TalkTime

Up to 32 Hours(4G)
Up to 48 Hours(4G)

Quick Charging

Yes 15W 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.

14h 29m
15h 43m

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

1h 35m 31s
2h 1m 8s

Storage

Internal Storage

128 GB
64 GB / 128 GB

Storage Type

UFS 2.0
UFS 2.1

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) / 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 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)

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 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: 0.598 W/kg
Head: 0.383 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

Yes
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Audio Features

Dolby Atmos
Dolby Atmos

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

On-screen
Rear

Fingerprint Sensor Type

Optical
N/A

Other Sensors

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