Samsung Galaxy M55 vs Samsung Galaxy S23 Ultra

Compared 2 smartphones : Samsung Galaxy M55 Manufactured in March, 2024, with display 6.7 with chipsetQualcomm Snapdragon 7 Gen 1, vs Samsung Galaxy S23 Ultra, Manufactured in February, 2023with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M55
  • Lighter design: 180g vs 233g
Reasons to choose Samsung Galaxy S23 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 500ppi
  • Newer Bluetooth version: 5.3 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB
- 12/1024 GB

Review

Key Specs Samsung Galaxy M55 and Samsung Galaxy S23 Ultra
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 6.8 in
Resolution 1080x2400 pixels 1440x3088 pixels
Aspect ratio 20:9 19.3:9
Pixel density 393 ppi 500 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness n/a 850 nits
HDR support n/a Yes HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 86.4 % 89.5 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
1269 nits
sRGB gamutn/a96.9 %
PWM (Flicker)n/a240 Hz
Response timen/a2 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.9 mm (6.45 in) 163.4 mm (6.43 in)
Width 76.5 mm (3.01 in) 78.1 mm (3.07 in)
Thickness 7.8 mm (0.31 in) 8.9 mm (0.35 in)
Weight 180 g (6.35 oz) 233 g (8.22 oz)
Water resistance n/a IP68
Cooling system n/a Vapor chamber
Back panel n/a Glass
Frame n/a Metal
Colors - Blue
- Green
- White
- Black
- Gray
- Blue
- Green
- Red
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy M55
86.4 %
Samsung Galaxy S23 Ultra
89.5 %

Performance

Testing Samsung Galaxy M55 and Samsung Galaxy S23 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 7 Gen 1 Snapdragon 8 Gen 2 Mobile Platform for Galaxy
Max Frequency 2400 MHz 3360 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 2 + 2 + 3)
Architecture - 4/1.8 (Cortex-A510)
- 3/2.36 (Cortex-A710)
- 1/2.4 (Cortex-A710)
- 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)
Process Samsung TSMC
Transistor Size 4 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 644 Adreno 740
GPU Cores 768 1536
GPU Frequency 443 MHz 719 MHz
FLOPS 1013.8 GFLOPS 2089 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M55
960
Samsung Galaxy S23 Ultra
1976
Geekbench 6 (Multi-Core)
Samsung Galaxy M55
2754
Samsung Galaxy S23 Ultra
5221
Geekbench 6 (Single-Core)9601976
Geekbench 6 (Multi-Core)27545221
AnTuTu 10
AnTuTu 10
Samsung Galaxy M55
664504
Samsung Galaxy S23 Ultra
1541246
CPU236956371084
GPU169798600732
Memory111012299004
UX146738270462
NanoReview Score6645041541246
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
12160
Max Surface Temp.n/a34.8 °C
Stabilityn/a64 %
Graphics Testn/a72 fps
Graphics Scoren/a12160
PCMark 3.0
PCMark 3.0
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
16130
Writing scoren/a19799
Web scoren/a16101
Video editingn/a7815
Data manipulationn/a13142
NanoReview Scoren/a16130

Memory

RAM
RAM Size 8 GB - 8 GB
- 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency n/a 4200 MHz
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 256 GB
- 512 GB
- 1024 GB
Storage TypeUFS 3.1UFS 4.0
Memory CardMicroSDNo

Software

OS Android 14 Android 13 (Upgradeable to Android 14)
OS Size n/a 39.9 GB
UI Skin One UI 6.1 One UI 6.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 45 W 45 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 (68% in 30 min)
Full Charge Time n/a 0:59 h
Battery Life Test
Battery Life
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
26:01
Web Browsingn/a09:57 h
Video Playbackn/a15:38 h
Gamesn/a06:22 h
Standby Moden/a130 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8160x6120 pixels 16320x12240 pixels
Zoom Digital Optical, 10x
Flash LED LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
Slow Motion 240 fps (720p) 960 fps (1080p)
Wide-angle lens 123 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP
Standard: 200 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.8f/1.7
Focal lengthn/a23 mm
Sensorn/aSamsung ISOCELL HP2
Sensor size1/1.561/1.3
Pixel size1 μm0.64 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a10 MP
Aperturen/af/4.9
Focal lengthn/a230 mm
Sensorn/aSony IMX754
Sensor sizen/a1/3.52
Pixel sizen/a1.12 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
Sensorn/aSony IMX564
Sensor sizen/a1/2.55
Pixel sizen/a1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
139
Video quality
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
137
Overall camera score
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
140
Bokehn/a70
Previewn/a73
Zoomn/a141

Front camera

Matrix 50 MP 12 MP
Photo resolution 8160x6120 pixels 4000x3000 pixels
Aperture f/2.4 f/2.2
Focal length n/a 26 mm
Sensor n/a Samsung S5K3LU
Sensor size n/a 1/3.24
Pixel size n/a 1.12 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
139
Video quality
Samsung Galaxy M55
n/a
Samsung Galaxy S23 Ultra
145

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes DP 1.2
GPS - GPS
- GLONASS
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotYesNo
LTE category1820
5G SupportYesYes

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 S23 Ultra
91.8 dB

Other

Class Mid-range Flagship
Announced March, 2024 yr February, 2023 yr
Release Date March, 2024 yr February, 2023 yr
Launch Price ($) 325 1199
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S23 Ultra the clear winner in this comparison.

Survey

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

User comments

Share your opinion or ask questions below