Samsung Galaxy A51 vs Samsung Galaxy M42 5G

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Comparing the Samsung Galaxy A51 vs Samsung Galaxy M42 5G 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 M42 5G scores higher on the Geekbench Multi-Core test with 1,805, while Samsung Galaxy A51 scores 1,196, making Samsung Galaxy M42 5G the better performer.


Display: Samsung Galaxy M42 5G offers a screen size of 6.6 inches, while Samsung Galaxy A51 offers 6.5 inches, making Samsung Galaxy M42 5G the larger display of the two. Both Samsung Galaxy A51 and Samsung Galaxy M42 5G feature the same Super AMOLED display.


Rear Camera: Both Samsung Galaxy A51 and Samsung Galaxy M42 5G feature a 48 MP primary rear camera.


Front Camera: Samsung Galaxy A51 offers a higher front camera resolution with 32 MP, while Samsung Galaxy M42 5G offers 20 MP, making Samsung Galaxy A51 better for front camera photography.


Battery: Samsung Galaxy M42 5G delivers longer battery life with 20h 36m, while Samsung Galaxy A51 delivers 14h 29m, making Samsung Galaxy M42 5G the better pick for all day usage.


Storage: Both Samsung Galaxy A51 and Samsung Galaxy M42 5G offer the same internal storage of 128 GB.


Expert Review: Samsung Galaxy A51 receives a higher expert rating of 8 from the editorial team, while Samsung Galaxy M42 5G is rated 6.


User Rating: Samsung Galaxy A51 receives a higher user rating of 4.3, while Samsung Galaxy M42 5G has a rating of 4.1.

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Samsung Galaxy A51
₹25,999
(Out of Stock)
Samsung Galaxy M42 5G
₹21,450
(Out of Stock)
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Summary

Spec Score

77%
79%

Release Date

29 Jan, 2020
01 May, 2021

Performance

Samsung Exynos 9 Octa 9611
Snapdragon 750G
Octa Core (upto 2.3 GHz)
Octa Core (upto 2.2 GHz)
6 GB RAM
6 GB RAM

Display

6.5 inches (16.51 cm)
6.6 inches (16.76 cm)
Super AMOLED
Super AMOLED
1080x2400 px (FHD+)
720x1600 px (HD+)
60 Hz Refresh Rate
60 Hz Refresh Rate

Rear Camera

48 MP
Primary Camera
48 MP
Wide Angle 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
20 MP
Wide Angle Lens

Battery

4000 mAh
5000 mAh
15W Fast Charging
15W Fast Charging

Storage

128 GB
128 GB
UFS 2.0
UFS 2.1

Expert Review

8.0/10
6.0/10

Pros

  • Excellent display
  • Great daylight performance
  • OneUI 2.0 has made the software experience more re
  • Long-lasting battery backup
  • Sleek design
  • Decent performer

Cons

  • Performance could’ve been better
  • Macro lens is not good
  • Battery life is average at best
  • HD+ display
  • Camera performance could've been better
  • Bloatware

User Ratings

4.3/5
(13,353 ratings)
4.1/5
(16,640 ratings)

Benchmarks (The higher, the better)

171,285
AnTuTu Score
234,617
AnTuTu Score
14h 29m
Battery Life (PC Mark)
20h 36m
Battery Life (PC Mark)

Compare in 360 View

Video

Videos
4 More Videos
Videos
8 More Videos

User Feedback

General

Launch Date

Jan 29, 2020
(Official)
May 01, 2021
(Official)

Operating System

Android v10 (Q)
Android v11

Custom UI

Samsung One UI
Samsung One UI

Performance

Performance Rating

Good
Good

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 750G

Processor

Octa core

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

2.2 GHz, Dual core, Kryo 570 1.8 GHz, Hexa Core, Kryo 570

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

10 nm
8 nm

Graphics (GPU)

Mali-G72 MP3
Adreno 619

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
234,617

Bootup Time (The lower, the better)

29.0 s
48.0 s

Gaming Test Results

Battery Drain* (The lower, the better)

8.0 %
6.0 %

Heating* (The lower, the better)

32.7 %
2.1 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent

Display Type

Super AMOLED
Super AMOLED

Screen Size

6.5 inches  (16.51 cm)
6.6 inches  (16.76 cm)

Resolution

1080x2400 px (FHD+)
720x1600 px (HD+)

Refresh Rate

60 Hz
60 Hz

Aspect Ratio

20:9
20:9

Pixel Density

405 ppi
266 ppi

Screen to Body Ratio (calculated)

87.44 %
84.28 %

Screen Protection

Corning Gorilla Glass v3
N/A

Bezel-less Display

Yes with punch-hole display
Yes with notch

Design

Height

158.5 mm
164.4 mm

Width

73.6 mm
75.9 mm

Thickness

7.9 mm
8.6 mm

Weight

172 grams
193 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
48 MP
Primary Cameraf/1.8 Wide Angle1/2" sensor size S5KGM2 ISOCELL Plus 0.8µm pixel size
12 MP
f/2.2 Ultra-Wide Angle Camera
8 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/2.2 Depth Camera
5 MP
f/2.4 Depth Camera

Autofocus

Yes
Yes

OIS

No
No

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

8000 x 6000 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

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
4k @30 fps
Full HD @30 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
20 MP
f/2.2 Wide Angle Primary Camera

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
5000 mAh

Battery Type

Li-ion
Li-ion

TalkTime

Up to 32 Hours(4G)
Up to 36 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
20h 36m

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

1h 35m 31s
1h 54m 16s

Storage

Internal Storage

128 GB
128 GB

Storage Type

UFS 2.0
UFS 2.1

Expandable Storage

Yes Up to 512 GB
Yes Up to 1 TB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano (Hybrid)

Network Support

5G Not Supported 4G
5G 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)
5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N28
TDD N40 / N41 / N78
N/A
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)
View More

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 17) / 800(band 20)

SAR Value

Head: 0.598 W/kg
N/A

Wi-Fi

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

Multimedia

Audio Jack

3.5 mm
3.5 mm

Audio Features

Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

On-screen
On-screen

Fingerprint Sensor Type

Optical
Optical

Other Sensors

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