Samsung Galaxy S25 Ultra vs Asus ROG Phone 8 Pro

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Asus ROG Phone 8 Pro, Manufactured in January, 2024 with chipsetQualcomm Snapdragon 8 Gen 3. 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
  • Lighter design: 218g vs 225g
  • Built-in eSIM
Reasons to choose Asus ROG Phone 8 Pro
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 5500mAh vs 5000mAh
  • Includes charger

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB
- 16/512 GB
- 24/1024 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Asus ROG Phone 8 Pro
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 AMOLED
Size 6.9 in 6.78 in
Resolution 1440x3120 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 498 ppi 388 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 2500 nits
HDR support Yes HDR10+ Yes HDR10
Touch Sampling Rate 240 Hz 720 Hz
Screen-to-body ratio 92.4 % 88.2 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Asus ROG Phone 8 Pro
1748 nits
sRGB gamut97.7 %100 %
PWM (Flicker)240 Hz485 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 163.8 mm (6.45 in)
Width 77.6 mm (3.06 in) 76.8 mm (3.02 in)
Thickness 8.2 mm (0.32 in) 8.9 mm (0.35 in)
Weight 218 g (7.69 oz) 225 g (7.94 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue
Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Asus ROG Phone 8 Pro
88.2 %

Performance

Testing Samsung Galaxy S25 Ultra and Asus ROG Phone 8 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 3
Max Frequency 4470 MHz 3300 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 2 + 2)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
- 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 750
GPU Cores 1536 1536
GPU Frequency 1100 MHz 903-1000 MHz
FLOPS 3379.2 GFLOPS 2774 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Asus ROG Phone 8 Pro
2273
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Asus ROG Phone 8 Pro
7260
Geekbench 6 (Single-Core)31472273
Geekbench 6 (Multi-Core)97507260
Geekbench Compute (GPU)25681n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Asus ROG Phone 8 Pro
2210469
CPU659871496599
GPU1294167906517
Memory471319426516
UX369782380837
NanoReview Score27951392210469
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Asus ROG Phone 8 Pro
18451
Max Surface Temp.n/a49.5 °C
Stabilityn/a75 %
Graphics Testn/a110 fps
Graphics Scoren/a18451
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Asus ROG Phone 8 Pro
21662
Writing scoren/a25554
Web scoren/a23122
Video editingn/a9016
Data manipulationn/a19250
NanoReview Scoren/a21662

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 16 GB
- 24 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 4200 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
- 512 GB
- 1024 GB
Storage TypeUFS 4.0UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 14
OS Size 30.4 GB 28 GB
UI Skin One UI 7.0 ROG UI

Battery

Volume 5000 mAh 5500 mAh
Max Charging Power 45 W 65 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (25 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (72% in 30 min) Yes (80% in 30 min)
Full Charge Time 0:59 h 0:42 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Asus ROG Phone 8 Pro
25:06
Web Browsing11:10 h10:18 h
Video Playback19:32 h17:21 h
Games06:22 h06:04 h
Standby Mode160 h108 h

Main camera

Matrix 200 MP 50 MP
Photo resolution 16320x12240 pixels 8192x6144 pixels
Zoom Optical, 5x Optical, 3x
Flash LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 120 fps (2160p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP
Standard: 50 MP
Telephoto: 32 MP
Ultra-wide: 13 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix200 MP50 MP
Aperturef/1.7f/1.9
Focal length23 mm238 mm
SensorSamsung ISOCELL S5KHP2Sony IMX890
Sensor size1/1.31/1.56
Pixel size0.6 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP32 MP
Aperturef/3.4f/2.4
Focal length111 mmn/a
SensorSony IMX854Omnivision OV32C
Sensor size1/2.521/3.2
Pixel size0.7 μm0.7 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP13 MP
Aperturef/1.9f/2.2
Focal length13 mm13 mm
SensorSamsung ISOCELL S5KJN3Omnivision OV31B
Sensor size1/2.51/3
Pixel size0.7 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Asus ROG Phone 8 Pro
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Asus ROG Phone 8 Pro
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Asus ROG Phone 8 Pro
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels n/a
Aperture f/2.2 f/2.5
Focal length 26 mm 22 mm
Sensor Samsung S5K3LU n/a
Sensor size 1/3.2 1/3.2
Pixel size 1.12 μm n/a
Autofocus Phase autofocus (Dual Pixel) n/a
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 7 (802.11 a/b/g/n/ac/ax/be)
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 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 Yes DP 1.4
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
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 / 900 / 1800 / 1900MHz
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)WCDMA 850 / 900 / 1700 / 1800 / 1900 / 2100MHz
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/B8/B12/B17/B18/B19/B20/B25/B26/B28/B32/B34/B38/B39/B40/B41/B42/B43/B48/B66)
LTE categoryn/a18
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S25 Ultra
93 dB
Asus ROG Phone 8 Pro
92.2 dB

Other

Class Flagship Flagship
Announced January, 2025 yr January, 2024 yr
Release Date February, 2025 yr January, 2024 yr
Launch Price ($) 1299 1199
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 65 W

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.

Asus ROG Phone 8 Pro:

Support for NTFS is available for external storage devices.

* 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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