Home Phone comparison Samsung Galaxy M55 and Samsung Galaxy A51 - Which is better?

Samsung Galaxy M55 vs Samsung Galaxy A51

63 out 100
Samsung Galaxy M55
VS
41 out 100
Samsung Galaxy A51
Samsung Galaxy M55
Samsung Galaxy A51

Compared 2 smartphones : Samsung Galaxy M55 Manufactured in March, 2024, with display 6.7 with chipsetQualcomm Snapdragon 7 Gen 1, vs Samsung Galaxy A51, Manufactured in December, 2019 with chipsetSamsung Exynos 9 Octa 9611. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M55
  • Larger display: 6.7in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5.2 vs 5
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 180g

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB		 - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy M55 and Samsung Galaxy A51
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy M55
vs
Samsung Galaxy A51

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.7 in 6.5 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 393 ppi 405 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness n/a 400 nits
HDR support n/a No
Screen-to-body ratio 86.4 % 87.5 %
Features - DCI-P3
- Always-On Display		 Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy M55
n/a
Samsung Galaxy A51
631 nits
sRGB gamutn/a98.8 %
PWM (Flicker)n/a242 Hz
Response timen/a25 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 163.9 mm (6.45 in) 158.5 mm (6.24 in)
Width 76.5 mm (3.01 in) 73.6 mm (2.9 in)
Thickness 7.8 mm (0.31 in) 7.9 mm (0.31 in)
Weight 180 g (6.35 oz) 172 g (6.07 oz)
Water resistance n/a No
Back panel n/a Plastic
Frame n/a Plastic
Colors - Blue
- Green		 - White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy M55
86.4 %
Samsung Galaxy A51
87.5 %

Performance

Testing Samsung Galaxy M55 and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 7 Gen 1 Samsung Exynos 9 Octa 9611
Max Frequency 2400 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Cortex-A510)
- 3/2.36 (Cortex-A710)
- 1/2.4 (Cortex-A710)		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 4 nm 10 nm
Neural Processor Hexagon Yes
Graphics Adreno 644 Mali-G72 MP3
GPU Cores 768 54
GPU Frequency 443 MHz 850 MHz
FLOPS 1013.8 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M55
960
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Samsung Galaxy M55
2754
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)960512
Geekbench 6 (Multi-Core)27541556
AnTuTu 10
AnTuTu 10
Samsung Galaxy M55
664504
Samsung Galaxy A51
268760
CPU23695683857
GPU16979845166
Memory11101263828
UX14673875909
NanoReview Score664504268760
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M55
n/a
Samsung Galaxy A51
812
Max Surface Temp.n/a42.2 °C
Stabilityn/a95 %
Graphics Testn/a4 fps
Graphics Scoren/a812
Sources: 3DMark [Samsung Galaxy A51]

Memory

RAM
RAM Size 8 GB - 4 GB
- 6 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeUFS 3.1UFS 2.0
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 10 (Upgradeable to Android 13)
OS Size n/a 23 GB
UI Skin One UI 6.1 One UI 5.1

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 45 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Yes (40% in 35 min)
Full Charge Time n/a 1:50 h
Battery Life Test
Battery Life
Samsung Galaxy M55
n/a
Samsung Galaxy A51
17:53
Web Browsingn/a07:15 h
Video Playbackn/a11:25 h
Gamesn/a04:49 h
Standby Moden/a81 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8160x6120 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) 960 fps (720p)
Wide-angle lens 123 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal lengthn/a26 mm
Sensorn/aSony IMX582
Sensor size1/1.561/2
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
Pixel sizen/a1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 32 MP
Photo resolution 8160x6120 pixels 6560x4928 pixels
Aperture f/2.4 f/2.2
Focal length n/a 26 mm
Sensor n/a Samsung S5KGD1
Sensor size n/a 1/2.8
Pixel size n/a 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G Bandsn/aGSM 850 / 900 / 1800 / 2100 / 2600
3G Bandsn/aUMTS 850 / 900 / 1900 / 2100
LTE Bands*n/aLTE (B850/B900/B1800/B2100/B2600)
LTE category1812
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M55
n/a
Samsung Galaxy A51
81.7 dB

Other

Class Mid-range Mid-range
Announced March, 2024 yr December, 2019 yr
Release Date March, 2024 yr December, 2019 yr
Launch Price ($) 325 399
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy M55 the clear winner in this comparison.

Survey

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Total Votes: 2

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