Samsung Galaxy M55 vs Samsung Galaxy S20

Compared 2 smartphones : Samsung Galaxy M55 Manufactured in March, 2024, with display 6.7 with chipsetQualcomm Snapdragon 7 Gen 1, vs Samsung Galaxy S20, Manufactured in March, 2020 with chipsetSamsung Exynos 9 Octa 990. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M55
  • Larger display: 6.7in
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5.2 vs 5
Reasons to choose Samsung Galaxy S20
  • Higher pixel density: 563ppi
  • Lighter design: 163g vs 180g
  • Supports newer USB: 3.1 vs 2
  • Built-in eSIM

Versions

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

Review

Key Specs Samsung Galaxy M55 and Samsung Galaxy S20
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

Display

Display quality comparison
Type Super AMOLED Dynamic AMOLED
Size 6.7 in 6.2 in
Resolution 1080x2400 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 393 ppi 563 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No No
Max brightness n/a 800 nits
HDR support n/a Yes HDR10+
Screen-to-body ratio 86.4 % 88.5 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy M55
n/a
Samsung Galaxy S20
809 nits
sRGB gamutn/a99.8 %
PWM (Flicker)n/a242 Hz
Response timen/a8.5 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.9 mm (6.45 in) 151.7 mm (5.97 in)
Width 76.5 mm (3.01 in) 69.1 mm (2.72 in)
Thickness 7.8 mm (0.31 in) 7.9 mm (0.31 in)
Weight 180 g (6.35 oz) 163 g (5.75 oz)
Water resistance n/a IP68
Back panel n/a Glass
Frame n/a Metal
Colors - Blue
- Green
- Gray
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy M55
86.4 %
Samsung Galaxy S20
88.5 %

Performance

Testing Samsung Galaxy M55 and Samsung Galaxy S20 In benchmarks
Processor
Chipset Qualcomm Snapdragon 7 Gen 1 Samsung Exynos 9 Octa 990
Max Frequency 2400 MHz 3020 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 2 + 4)
Architecture - 4/1.8 (Cortex-A510)
- 3/2.36 (Cortex-A710)
- 1/2.4 (Cortex-A710)
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process Samsung Samsung
Transistor Size 4 nm 7 nm
Neural Processor Hexagon Yes
Graphics Adreno 644 Mali-G77 MP11
GPU Cores 768 704
GPU Frequency 443 MHz 550 MHz
FLOPS 1013.8 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M55
960
Samsung Galaxy S20
1139
Geekbench 6 (Multi-Core)
Samsung Galaxy M55
2754
Samsung Galaxy S20
3080
Geekbench 6 (Single-Core)9601139
Geekbench 6 (Multi-Core)27543080
AnTuTu 10
AnTuTu 10
Samsung Galaxy M55
664504
Samsung Galaxy S20
680061
CPU236956206940
GPU169798180770
Memory111012136999
UX146738155352
NanoReview Score664504680061
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M55
n/a
Samsung Galaxy S20
4221
Max Surface Temp.n/a49.7 °C
Stabilityn/a51 %
Graphics Testn/a25 fps
Graphics Scoren/a4221
PCMark 3.0
PCMark 3.0
Samsung Galaxy M55
n/a
Samsung Galaxy S20
11213
Writing scoren/a13300
Web scoren/a9221
Video editingn/a6001
Data manipulationn/a8487
NanoReview Scoren/a11213

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR5 LPDDR5
Memory Frequency n/a 3200 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
128 GB
Storage TypeUFS 3.1UFS 3.0
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 10.0 (Upgradeable to Android 13)
OS Size n/a 20.1 GB
UI Skin One UI 6.1 One UI 5.1

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 45 W 25 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes Yes (100% in 75 min)
Full Charge Time n/a 1:15 h
Battery Life Test
Battery Life
Samsung Galaxy M55
n/a
Samsung Galaxy S20
16:07
Web Browsingn/a06:49 h
Video Playbackn/a10:33 h
Gamesn/a04:30 h
Standby Moden/a69 h

Main camera

Matrix 50 MP 12 MP
Photo resolution 8160x6120 pixels 4000x3000 pixels
Zoom Digital Optical, 1.1x
Flash LED LED
Stabilization Optical Optical
8K Recording No Up to 24FPS
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 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: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP12 MP
Aperturef/1.8f/1.8
Focal lengthn/a26 mm
Sensorn/aSamsung S5K2LD
Sensor size1/1.561/1.76
Pixel size1 μm1.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrixn/a64 MP
Aperturen/af/2.0
Focal lengthn/a29 mm
Sensorn/aSamsung Bright S5KGW2
Sensor sizen/a1/1.72
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
Sensorn/aSamsung S5K2LA
Sensor sizen/a1/2.55
Pixel sizen/a1.4 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 10 MP
Photo resolution 8160x6120 pixels 2592x3872 pixels
Aperture f/2.4 f/2.2
Focal length n/a 26 mm
Sensor n/a Samsung S5K3J1
Sensor size n/a 1/3.2
Pixel size n/a 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
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 *NoYes
Hybrid SlotYesYes
2G Bandsn/aGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bandsn/aHSDPA 850 / 900 / 1900 / 2100
LTE Bands*n/aLTE (B850/B900/B1700/B1900/B2100)
LTE category1822
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M55
n/a
Samsung Galaxy S20
85.9 dB

Other

Class Mid-range Flagship
Announced March, 2024 yr February, 2020 yr
Release Date March, 2024 yr March, 2020 yr
Launch Price ($) 325 999
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below