Samsung Galaxy A51 8GB RAM vs Samsung Galaxy M51 8GB RAM

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Comparing the Samsung Galaxy A51 8GB RAM vs Samsung Galaxy M51 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 M51 8GB RAM scores higher on the Geekbench Multi-Core test with 1,684, while Samsung Galaxy A51 8GB RAM scores 1,196, making Samsung Galaxy M51 8GB RAM the better performer.


Display: Samsung Galaxy M51 8GB RAM offers a screen size of 6.7 inches, while Samsung Galaxy A51 8GB RAM offers 6.5 inches, making Samsung Galaxy M51 8GB RAM the larger display of the two. Samsung Galaxy A51 8GB RAM features a Super AMOLED display compared to Samsung Galaxy M51 8GB RAM's Super AMOLED Plus, making Samsung Galaxy A51 8GB RAM the better display of the two.


Rear Camera: Samsung Galaxy M51 8GB RAM offers a higher rear camera resolution with 64 MP, while Samsung Galaxy A51 8GB RAM offers 48 MP, making Samsung Galaxy M51 8GB RAM better for rear camera photography.


Front Camera: Both Samsung Galaxy A51 8GB RAM and Samsung Galaxy M51 8GB RAM feature a 32 MP primary front camera.


Battery: Samsung Galaxy M51 8GB RAM delivers longer battery life with 20h 06m, while Samsung Galaxy A51 8GB RAM delivers 14h 29m, making Samsung Galaxy M51 8GB RAM the better pick for all day usage.


Storage: Both Samsung Galaxy A51 8GB RAM and Samsung Galaxy M51 8GB RAM offer the same internal storage of 128 GB.


Expert Review: The editorial team rates both Samsung Galaxy A51 8GB RAM and Samsung Galaxy M51 8GB RAM equally at 8.


User Rating: Samsung Galaxy M51 8GB RAM receives a higher user rating of 4.4, while Samsung Galaxy A51 8GB RAM has a rating of 4.3.

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Samsung Galaxy A51 8GB RAM
₹22,500
(Out of Stock)
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Samsung Galaxy M51 8GB RAM
₹28,999
(Out of Stock)
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OPPO K14 Plus 5G
₹25,999
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Summary

Release Date

05 Jun, 2020
18 Sep, 2020
08 Oct, 2026

Performance

Samsung Exynos 9 Octa 9611
Snapdragon 730G
MediaTek Dimensity 7360 Max
Octa Core (upto 2.3 GHz)
Octa Core (upto 2.2 GHz)
Octa Core (upto 2.5 GHz)
8 GB RAM
8 GB RAM
6 GB RAM

Display

6.5 inches (16.51 cm)
6.7 inches (17.02 cm)
6.78 inches (17.22 cm)
Super AMOLED
Super AMOLED Plus
AMOLED
1080x2400 px (FHD+)
1080x2400 px (FHD+)
1272x2712 px (FHD+)
60 Hz Refresh Rate
60 Hz Refresh Rate
144 Hz Refresh Rate

Rear Camera

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

Front Camera

32 MP
32 MP
Wide Angle Lens
16 MP

Battery

4000 mAh
7000 mAh
8000 mAh
15W Fast Charging
25W Fast Charging
45W Super VOOC Charging
N/A
No Wireless Charging
No Wireless Charging

Storage

128 GB
128 GB
128 GB
UFS 2.0
UFS 2.1
UFS 3.1

Expert Review

8.0/10
8.0/10
N/A

Pros

  • Excellent display
  • Great daylight performance
  • OneUI 2.0 has made the software experience more re
  • Insane battery life
  • Vibrant, best-in-class display
  • Robust design
  • Device yet to be reviewed

Cons

  • Performance could’ve been better
  • Macro lens is not good
  • Battery life is average at best
  • Bulky and prone to scratches
  • Snapdragon 730G is now a bit old
  • Bloatware is still an issue
  • Device yet to be reviewed

User Ratings

4.3/5
(7,197 ratings)
4.4/5
(97,663 ratings)
N/A

Benchmarks (The higher, the better)

171,285
AnTuTu Score
224,310
AnTuTu Score
951,668
AnTuTu Score
14h 29m
Battery Life (PC Mark)
20h 06m
Battery Life (PC Mark)
18h 49m
Battery Life (PC Mark)

Compare Prices

Not Available in any store
Not Available in any store
₹25,999
@ Flipkart

Video

Videos
4 More Videos
Videos
16 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

Jun 05, 2020
(Official)
Sep 18, 2020
(Official)
Sep 29, 2026
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)
Android v17

OS Updates

N/A
N/A
6 Year

Security Updates

N/A
N/A
6 Year

Custom UI

Samsung One UI
Samsung One UI
ColorOS

Performance

Performance Rating

Good
Good
Very Good

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 730G
MediaTek Dimensity 7360 Max

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 470 1.8 GHz, Hexa Core, Kryo 470
Octa core

2.5 GHz, Quad core, Cortex A78 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
4 nm

Graphics (GPU)

Mali-G72 MP3
Adreno 618
Mali-G615 MC2

RAM

6 GB / 8 GB
6 GB / 8 GB
6 GB / 8 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Cooling Technology

N/A
N/A
Vapor Chamber Cooling 5000 mm²

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
224,310
951,668

Bootup Time (The lower, the better)

29.0 s
23.0 s
N/A

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A
N/A
853

Battery Drain* (The lower, the better)

8.0 %
5.0 %
N/A

Heating* (The lower, the better)

32.7 %
11.1 %
N/A
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent
Excellent

Display Type

Super AMOLED
Super AMOLED Plus
AMOLED

Screen Size

6.5 inches  (16.51 cm)
6.7 inches  (17.02 cm)
6.78 inches  (17.22 cm)

Resolution

1080x2400 px (FHD+)
1080x2400 px (FHD+)
1272x2712 px (FHD+)

Brightness

N/A
420 nits
N/A

Peak Brightness

N/A
N/A
3600 nits

HBM Brightness

N/A
N/A
1800 nits

Refresh Rate

60 Hz
60 Hz
144 Hz

Touch Sampling Rate

N/A
N/A
240 Hz

Aspect Ratio

20:9
20:9
20:9

Pixel Density

405 ppi
393 ppi
450 ppi

Screen to Body Ratio (calculated)

87.44 %
86.66 %
90.5 %

Screen Protection

Corning Gorilla
Corning Gorilla
Yes

Bezel-less Display

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

Screen to Body Ratio (claimed by the brand)

N/A
91 %
93.6 %

Design

Height

158.5 mm
163.9 mm
162.56 mm

Width

73.6 mm
76.3 mm
77.6 mm

Thickness

7.9 mm
9.5 mm
8.4 mm

Weight

172 grams
213 grams
207 grams

Build Material

Back: Plastic
Back: Plastic
Back: Corning Gorilla Glass Armor 2

Water Resistance

N/A
N/A
Yes Water resistant IP68 IP66 IP69K IP69

Ruggedness

N/A
N/A
Shock proof

Rear Camera

Rear Camera Rating

Very Good
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/1.8 Wide Angle26 mm focal length 1/1.7" sensor size IMX682 Exmor-RS CMOS Sensor ISOCELL Plus 0.8µm pixel size
50 MP
Primary Camera10x Digital Zoomf/1.8 Wide Angle 79° field-of-view1/2" sensor size
12 MP
f/2.2 Ultra-Wide Angle Camera
12 MP
f/2.2 Ultra-Wide Angle Camera
2 MP
Mono Depth Camera
5 MP
f/2.4 Macro Camera
5 MP
f/2.4 Macro Camera
N/A
5 MP
f/2.2 Depth Camera
5 MP
f/2.4 Depth Camera
N/A

Autofocus

Yes
Yes Phase Detection Autofocus
Yes

OIS

No
No
Yes

Flash

Yes LED Flash
Yes LED Flash
Yes LED Flash

Image Resolution

8000 x 6000 Pixels
9000 x 7000 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)
Macro Mode
Beautify

Camera Features

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

Video Recording

4k @30 fps
4k @30 fps
Full HD @30 fps
4k @30 fps
Full HD @30/60 fps
HD @30 fps

Video Recording Features

N/A
Slow Motion
Dual Video Recording

Front Camera

Front Camera Rating

Very Good
Very Good
Very Good

Resolution

32 MP
f/2.2 Primary Camera1/2.8" sensor size 0.8µm pixel size
32 MP
f/2.2 Wide Angle Primary Camera26 mm focal length 1/2.8" sensor size Exmor RS 0.8µm pixel size
16 MP
f/2.4 Primary Camera23 mm focal length 1/3.1" sensor size 1µm pixel size

Autofocus

No
No
N/A

Flash

No
No
Yes Screen flash

Video Recording

Full HD @30 fps
4k @30 fps
Full HD @30 fps
Full HD @30/60 fps
HD @30 fps

Battery

Battery Rating

Very Good
Very Good
Very Good

Capacity

4000 mAh
7000 mAh
8000 mAh

Battery Type

Li-ion
Li-ion
N/A

TalkTime

Up to 32 Hours(4G)
N/A
Up to 30.33 Hours(2G)

Quick Charging

Yes 15W Fast Charging
Yes 25W Fast Charging
Yes 45W Super VOOC Charging

Reverse Charging

N/A
Yes
Yes 10W Reverse 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 06m
18h 49m

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

1h 35m 31s
1h 56m 33s
1h 25m 55s

Storage

Internal Storage

128 GB
128 GB
128 GB / 256 GB

Storage Type

UFS 2.0
UFS 2.1
UFS 3.1

Expandable Storage

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

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

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

Network Support

5G Not Supported 4G
5G Not Supported 4G
5G 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) / 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) / 850(band 26)
5G Bands:
FDD N1 / N3 / N5 / N8 / N18 / N26 / N28
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42) / 3700(band 43)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26)
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) / 850(band 26)
5G Bands:
FDD N1 / N3 / N5 / N8 / N18 / N26 / N28
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26)
View More

SAR Value

Head: 0.598 W/kg
Head: 1.381 W/kg
Head: 1.189 W/kg Body: 0.915 W/kg

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
Yes Wi-Fi 6 (802.11 a/b/g/n/ac/ax)

Wi-Fi Features

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

Bluetooth

Yes v5.0
Yes v5.0
Yes v5.4

GPS

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

NFC

Yes
Yes
No

IR Blaster

N/A
N/A
Yes

Multimedia

Stereo Speakers

N/A
Yes
Yes

Audio Jack

3.5 mm
3.5 mm
USB Type-C

Audio Features

Dolby Atmos
Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

On-screen
Side
On-screen

Fingerprint Sensor Type

Optical
N/A
Optical

Other Sensors

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

Compare Prices

Not Available in any store
Not Available in any store
₹25,999
@ Flipkart