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Samsung Galaxy S25 Ultra vs S23 Ultra

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Samsung Galaxy S25 Ultra vs S23 Ultra

89 out of 100
Samsung Galaxy S25 Ultra
VS
85 out of 100
Samsung Galaxy S23 Ultra
Samsung Galaxy S25 Ultra
Samsung Galaxy S23 Ultra

Here we compared two flagship smartphones: the 6.8-inch Samsung Galaxy S25 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on January 1, 2025, against the Samsung Galaxy S23 Ultra, which is powered by Snapdragon 8 Gen 2 Mobile Platform for Galaxy and came out 1 year and 11 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Specifications of the Galaxy S25 Ultra was provided by insiders and may not be fully accurate.
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments (1)

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S25 Ultra
  • 90% better performance in AnTuTu Benchmark (2930K versus 1541K)
  • Has 33% more RAM: 16GB versus 12GB
  • Newer Bluetooth version (v5.4)
  • Compatible with the latest Wi-Fi 7 wireless networks
  • More recent OS version: Android 15 versus 14
  • 52% faster in single-core GeekBench 6 test: 3011 and 1976 points
Reasons to consider the Samsung Galaxy S23 Ultra
  • The rear camera has a 10x optical zoom
  • Slow-motion recording at 960FPS

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Galaxy S25 Ultra
vs
Galaxy S23 Ultra

Display

TypeDynamic AMOLEDDynamic AMOLED
Size6.8 inches6.8 inches
Resolution1440 x 3120 pixels1440 x 3088 pixels
Aspect ratio19.5:919.3:9
PPI505 ppi500 ppi
Refresh rate120 Hz120 Hz
Adaptive refresh rateYes (1-120 Hz)Yes (1-120 Hz)
Max rated brightness2600 nits850 nits
Max rated brightness in HDR - 1750 nits
HDR supportYes, HDR10+Yes, HDR10+
Touch sampling rate240 Hz240 Hz
Screen protectionGorilla Glass ArmorGorilla Glass Victus 2
Screen-to-body ratio89.9%89.5%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
Display tests
RGB color space - 96.9%
PWM - 240 Hz
Response time - 2 ms
Contrast - ∞ Infinity
Peak brightness test (auto)

Design and build

Height162.8 mm (6.41 inches)163.4 mm (6.43 inches)
Width77.6 mm (3.06 inches)78.1 mm (3.07 inches)
Thickness8.2 mm (0.32 inches)8.9 mm (0.35 inches)
Weight219 g (7.72 oz)233 g (8.22 oz)
WaterproofIP68IP68
Advanced coolingVapor chamberVapor chamber
Rear materialGlassGlass
Frame materialMetalMetal
ColorsBlack, Silver, Gray, BlueWhite, Black, Gray, Blue, Green, Red, Purple
Fingerprint scannerYes, in-displayYes, in-display
Screen-to-body ratio

Performance

Tests of Samsung Galaxy S25 Ultra and Samsung Galaxy S23 Ultra in the benchmarks
SoC
ChipsetQualcomm Snapdragon 8 EliteSnapdragon 8 Gen 2 Mobile Platform for Galaxy
Max clock4320 MHz3360 MHz
CPU cores8 (2 + 6)8 (1 + 2 + 2 + 3)
Architecture- 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)		- 3 cores at 2 GHz: Cortex-A510
- 2 cores at 2.8 GHz: Cortex-A710
- 2 cores at 2.8 GHz: Cortex-A715
- 1 core at 3.2 GHz: Cortex-X3
L3 cache - 8 MB
ManufacturingTSMCTSMC
Lithography process3 nanometers4 nanometers
Neural processor (NPU)HexagonHexagon
GraphicsAdreno 830Adreno 740
GPU shading units15361536
GPU clock1100 MHz719 MHz
FLOPS~3379.2 GFLOPS~2089 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
CPU660292371084
GPU1188910600732
Memory551663299004
UX530024270462
Total score29308891541246
SamplesLess then 3[29 tests]
3DMark Wild Life Performance
Max surface temperature - 34.8 °C
Stability - 64%
Graphics test - 72 FPS
Graphics score - 12159
PCMark 3.0
Web score - 16012
Video editing - 7809
Photo editing - 33775
Data manipulation - 13104
Writing score - 19811

Memory

RAM
RAM size12, 16 GB8, 12 GB
Memory typeLPDDR5XLPDDR5X
Memory clock - 4200 MHz
Channels - 4
Storage
Storage size256, 512, 1024 GB256, 512, 1024 GB
Storage typeUFS 4.0UFS 4.0
Memory cardNoNo

Software

Operating systemAndroid 15 Android 13 (Can be upgraded to Android 14)
ROMOne UI 7.0One UI 6.1
OS size - 39.9 GB

Battery

Capacity5000 mAh5000 mAh
Max charge power45 W45 W
Battery typeLi-IonLi-Ion
ReplaceableNoNo
Wireless chargingYes (15 W)Yes (15 W)
Reverse chargingYes, (wireless)Yes, (wireless)
Fast chargingYes (70% in 30 min)Yes (68% in 30 min)
Full charging time1:02 hr0:59 hr
Battery life tests
Web browsing - 09:57 hr
Watching video - 15:38 hr
Gaming - 06:22 hr
Standby - 130 hr
General battery life

Main camera

Matrix200 megapixels200 megapixels
Image resolution16320 x 1224016320 x 12240
ZoomOptical, 5xOptical, 10x
FlashLEDLED
StabilizationOpticalOptical
8K video recordingUp to 30FPSUp to 30FPS
4K video recordingUp to 120FPSUp to 60FPS
1080p video recordingUp to 60FPSUp to 120FPS
Slow motion240 FPS (1080p)960 FPS (1080p)
Angle of widest lens120°120°
Lenses1) Standard: 200 MP
2) Telephoto: 50 MP
3) Telephoto: 10 MP
4) Ultrawide: 12 MP
1) Standard: 200 MP
2) Telephoto: 10 MP
3) Telephoto: 10 MP
4) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution200 MP200 MP
Aperturef/1.7f/1.7
Focal length24 mm23 mm
SensorSamsung ISOCELL HP2Samsung ISOCELL HP2
Sensor size1/1.3"1/1.3"
Pixel size1 micron0.64 micron
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto lens
Image resolution50 MP10 MP
Aperturef/3.4f/4.9
Focal length111 mm230 mm
SensorSony IMX754Sony IMX754
Sensor size1/3.52"1/3.52"
Pixel size1.12 micron1.12 micron
StabilizationOpticalOptical
Ultra-wide lens
Image resolution12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSamsung ISOCELL JN3Sony IMX564
Sensor size1/2.4"1/2.55"
Pixel size0.7 micron1.4 micron
StabilizationDigitalDigital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh - 70
Preview - 73
Zoom - 141
Samples - Photo samples of Samsung Galaxy S23 Ultra from DxOMark

Selfie camera

Megapixels12 megapixels12 megapixels
Image resolution4000 x 30004000 x 3000
Aperturef/2.2f/2.2
Focal length26 mm26 mm
SensorSamsung S5K3LUSamsung S5K3LU
Sensor size - 1/3.24"
Pixel size - 1.12 micron
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationDigitalDigital
Video resolution2160p (4K) at 60 FPS2160p (4K) at 60 FPS
Depth sensor (TOF 3D)NoNo
DxOMark front camera
Photo - 139
Video - 145

Connectivity

Wi-Fi standardWi-Fi 7 (802.11 a/b/g/n/ac/ax/be)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 version5.45.3
Bluetooth featuresLELE
USB typeUSB Type-CUSB Type-C
USB version3.23.2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPortYes, DP 1.4Yes, DP 1.2
GPSGPS, GLONASS, Beidou, Galileo, QZSSGPS, GLONASS, Beidou, Galileo, QZSS
NFC*YesYes
Infrared portNoNo
Network
Number of SIM*11
Type of SIM cardNanoNano
Multi SIM mode - Standby
eSIM support*YesYes
Hybrid slotNoNo
LTE Cat* - 20
5G supportYesYes

Sound

SpeakersStereoStereo
Headphone audio jackNoNo
FM radioNoNo
Dolby AtmosYesYes
Speakers test
Max loudness

Other

CategoryFlagshipFlagship
AnnouncedJanuary 2025February 2023
Release dateJanuary 2025February 2023
Launch price$1299$1199
SAR (head) - 0.96 W/kg
SAR (body) - 1.4 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled chargerNot includedNot included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
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