Samsung Galaxy S25 Ultra vs Samsung Galaxy A23 5G

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy A23 5G, Manufactured in September, 2022with chipsetQualcomm Snapdragon 695. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S25 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 498ppi
  • Newer Bluetooth version: 5.4 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Samsung Galaxy A23 5G
  • Lighter design: 197g vs 218g

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Samsung Galaxy A23 5G
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 Dynamic AMOLED PLS TFT
Size 6.9 in 6.6 in
Resolution 1440x3120 pixels 1080x2408 pixels
Aspect ratio 19.5:9 20:9
Pixel density 498 ppi 400 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 2600 nits 450 nits
HDR support Yes HDR10+ No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 92.4 % 82.7 %
Features - DCI-P3
- Always-On Display
- DC dimming
DCI-P3
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Samsung Galaxy A23 5G
507 nits
sRGB gamut97.7 %99.9 %
PWM (Flicker)240 Hzn/a
Response time1 ms22 ms
Contrast∞ Infinite1442:1

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 165.4 mm (6.51 in)
Width 77.6 mm (3.06 in) 76.9 mm (3.03 in)
Thickness 8.2 mm (0.32 in) 8.4 mm (0.33 in)
Weight 218 g (7.69 oz) 197 g (6.95 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue
- White
- Black
- Blue
- Yellow
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Samsung Galaxy A23 5G
82.7 %

Performance

Testing Samsung Galaxy S25 Ultra and Samsung Galaxy A23 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 695
Max Frequency 4470 MHz 2200 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
- 6/1.8 (Kryo 660 Silver (Cortex-A55))
- 2/2.2 (Kryo 660 Gold (Cortex-A78))
Process TSMC TSMC
Transistor Size 3 nm 6 nm
Neural Processor Hexagon Hexagon 686
Graphics Adreno 830 Adreno 619
GPU Cores 1536 256
GPU Frequency 1100 MHz 950 MHz
FLOPS 3379.2 GFLOPS 430.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Samsung Galaxy A23 5G
895
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Samsung Galaxy A23 5G
1943
Geekbench 6 (Single-Core)3147895
Geekbench 6 (Multi-Core)97501943
Geekbench Compute (GPU)25681n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Samsung Galaxy A23 5G
417389
CPU659871152613
GPU129416780451
Memory47131979577
UX369782104748
NanoReview Score2795139417389
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Samsung Galaxy A23 5G
1197
Max Surface Temp.n/a43.9 °C
Stabilityn/a99 %
Graphics Testn/a7 fps
Graphics Scoren/a1197
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Samsung Galaxy A23 5G
10034
Writing scoren/a12734
Web scoren/a9116
Video editingn/a4801
Data manipulationn/a8549
NanoReview Scoren/a10034

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 4 GB
- 6 GB
- 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
- 64 GB
- 128 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoMicroSD

Software

OS Android 15 Android 12 (Upgradeable to Android 14)
OS Size 30.4 GB n/a
UI Skin One UI 7.0 One UI 6

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 45 W 25 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging Yes (25 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (72% in 30 min) Yes (58% in 30 min)
Full Charge Time 0:59 h 1:08 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Samsung Galaxy A23 5G
26:19
Web Browsing11:10 h10:23 h
Video Playback19:32 h15:03 h
Games06:22 h05:45 h
Standby Mode160 h134 h

Main camera

Matrix 200 MP 50 MP
Photo resolution 16320x12240 pixels 8192x6144 pixels
Zoom Optical, 5x Digital
Flash LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) No
1080p Recording Yes (Up to 240 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) 120 fps (720p)
Wide-angle lens 120 ° 123 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP
Standard: 50 MP
Ultra-wide: 5 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix200 MP50 MP
Aperturef/1.7f/1.8
Focal length23 mm26 mm
SensorSamsung ISOCELL S5KHP2Samsung S5KJN1
Sensor size1/1.31/2.76
Pixel size0.6 μm0.64 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/3.4n/a
Focal length111 mmn/a
SensorSony IMX854n/a
Sensor size1/2.52n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP5 MP
Aperturef/1.9f/2.2
Focal length13 mm13 mm
SensorSamsung ISOCELL S5KJN3GalaxyCore 5035
Sensor size1/2.51/5
Pixel size0.7 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Samsung Galaxy A23 5G
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Samsung Galaxy A23 5G
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Samsung Galaxy A23 5G
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a

Front camera

Matrix 12 MP 8 MP
Photo resolution 4000x3000 pixels 3264x2448 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 25 mm
Sensor Samsung S5K3LU GalaxyCore
Sensor size 1/3.2 1/4.0
Pixel size 1.12 μm 1.12 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 5.4 5.1
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)UMTS Band I (2100), Band II (1900), Band IV (1700/2100), Band V (850), Band VIII (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)LTE (B1/B2/B3/B4/B5/B7/B12/B13/B20/B25/B26/B38/B39/B40/B41/B46/B48/B66/B71)
LTE categoryn/a18
5G SupportYesYes

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S25 Ultra
93 dB
Samsung Galaxy A23 5G
85.9 dB

Other

Class Flagship Mid-range
Announced January, 2025 yr August, 2022 yr
Release Date February, 2025 yr September, 2022 yr
Launch Price ($) 1299 300
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No No

Note

Samsung Galaxy S25 Ultra:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. version has 1.","Uses Grade 5 titanium and Corning Gorilla Armor 2 glass on both sides.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S25 Ultra the clear winner in this comparison.

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