Samsung Galaxy S25 Ultra vs ASUS ROG Phone 9 Pro
The Samsung Galaxy S25 Ultra scores 8.7 in our rating, and the ASUS ROG Phone 9 Pro scores 8.1. The Samsung Galaxy S25 Ultra leads in display, camera, design, software support and value for money, while the ASUS ROG Phone 9 Pro is ahead in battery. At launch in the US, the ASUS ROG Phone 9 Pro cost $100 less ($1,199.99 vs $1,299.99). The Samsung Galaxy S25 Ultra is the newer phone, announced Jan 22, 2025.
Key differences
Why choose the Samsung Galaxy S25 Ultra
- Bigger screen 6.9 inches vs 6.78 inches
- Longer optical zoom 5× vs 3×
- Brighter screen 2,600 nits vs 2,500 nits
- Longer OS update support 7 years vs 2 years
- Newer model Jan 22, 2025 vs Nov 19, 2024
- Lighter 218 g vs 227 g
Why choose the ASUS ROG Phone 9 Pro
- Bigger battery 5,800 mAh vs 5,000 mAh
- Faster wired charging 65 W vs 45 W
- Higher refresh rate 185 Hz vs 120 Hz
- Lower launch price $1,199.99 vs $1,299.99
- More RAM 16 GB / 24 GB vs 12 GB / 16 GB
- 3.5 mm headphone jack
PhoneRanked scores
Calculated from specs, relative to phones from the same year and price range. How we rate phones
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
Overall
8.7
8.1
Display
8.4
8.2
Performance
8.5
8.6
Camera
8.6
7.6
Battery
6.2
6.9
Design
8.8
8.2
Software support
9.2
5.7
Value for money
5.5
5.2
Display
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
Size
6.9 inches
6.78 inches
Type
OLED, Dynamic AMOLED 2X
OLED, Samsung Flexible AMOLED
Resolution
1440 × 3120 px
1080 × 2400 px
Pixel density
498 ppi
388 ppi
Refresh rate
120 Hz
185 Hz
Adaptive refresh
✓ Yes
✓ Yes
Peak brightness
2,600 nits
2,500 nits
HDR
HDR10, HDR10+
HDR10
Protection
Corning Gorilla Armor 2
Gorilla Glass Victus 2
Performance
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
Process
3 nm
3 nm
Max CPU clock
—
4.32 GHz
GPU
Adreno 830
Adreno 830
RAM
12 GB / 16 GB
16 GB / 24 GB
Storage
256 GB / 512 GB / 1 TB
512 GB / 1 TB
Storage type
UFS 4.0
UFS 4.0
microSD slot
✕ No
✕ No
Cameras
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
Main camera
200 MP, f/1.7, 1/1.3"
50 MP, f/1.9, 1/1.56"
Optical stabilization
✓ Yes
✓ Yes
Ultrawide
50 MP
13 MP
Telephoto
50 MP, 5× optical, periscope
32 MP, 3× optical
Optical zoom
5×
3×
Rear cameras
4
3
Rear video
8K@30
8K@30
Front camera
12 MP
32 MP
Battery and charging
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
Capacity
5,000 mAh
5,800 mAh
Battery type
Li-Ion
—
Wired charging
45 W
65 W
Wireless charging
15 W
15 W
Reverse wireless
✓ Yes
✕ No
Charger in box
✕ No
✓ Yes
Design and build
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
Dimensions
162.8 × 77.6 × 8.2 mm
163.8 × 77 × 8.9 mm
Thickness
8.2 mm
8.9 mm
Weight
218 g
227 g
Form factor
Bar
Bar
Frame
Titanium
Aluminum
Back
Glass
Glass
Water resistance
IP68
IP68
Fingerprint
Under-display ultrasonic
Under-display optical
3D face unlock
✕ No
✕ No
SIM
—
Dual Nano-SIM
Colors
Titanium Silverblue, Titanium Black, Titanium Gray, Titanium Whitesilver, Titanium Jetblack, Titanium Jadegreen, Titanium Pinkgold
Phantom Black
Connectivity and features
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
5G
✓ Yes
✓ Yes
Wi-Fi
Wi-Fi 7
Wi-Fi 7
Bluetooth
5.4
5.4
USB
USB-C 3.x
USB-C 3.x
NFC
✓ Yes
✓ Yes
3.5 mm jack
✕ No
✓ Yes
Stereo speakers
✓ Yes
✓ Yes
Satellite
✕ No
✕ No
IR blaster
✕ No
✕ No
Software
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
OS at launch
Android 15
Android 15
Interface
One UI 7
ROG UI
OS updates
7 years
2 years
Security updates
7 years
5 years
Launch and price
Spec
Samsung Galaxy S25 UltraASUS ROG Phone 9 Pro
Announced
Jan 22, 2025
Nov 19, 2024
Released
Feb 7, 2025
—
Status
Released
Released
US launch price
$1,299.99
$1,199.99
Green marks the stronger value in a row. Specs come from official manufacturer data, cross-checked with established tech media; each phone page lists its sources. Report an error
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