ASUS Zenfone 12 Ultra vs Samsung Galaxy S25+
The ASUS Zenfone 12 Ultra scores 7.8 in our rating, and the Samsung Galaxy S25+ scores 8.4. The ASUS Zenfone 12 Ultra leads in battery, while the Samsung Galaxy S25+ is ahead in display, design and software support. The ASUS Zenfone 12 Ultra is the newer phone, announced Feb 6, 2025.
Key differences
Why choose the ASUS Zenfone 12 Ultra
- Bigger battery 5,500 mAh vs 4,900 mAh
- Faster wired charging 65 W vs 45 W
- Bigger screen 6.78 inches vs 6.7 inches
- Higher refresh rate 144 Hz vs 120 Hz
- Newer model Feb 6, 2025 vs Jan 22, 2025
- More RAM 12 GB / 16 GB vs 12 GB
Why choose the Samsung Galaxy S25+
- Brighter screen 2,600 nits vs 2,500 nits
- Longer OS update support 7 years vs 2 years
- Lighter 190 g vs 220 g
- Thinner 7.3 mm vs 8.9 mm
- Higher screen resolution 1440 × 3120 px vs 1080 × 2400 px
- Satellite messaging
PhoneRanked scores
Calculated from specs, relative to phones from the same year and price range. How we rate phones
Value for money marked “est.” is an estimate: that phone has no official US launch price, so it is not highlighted against the others.
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
Overall
7.8
8.4
Display
8.2
8.5
Performance
8.5
8.4
Camera
7.6
7.7
Battery
6.7
6.1
Design
8.3
8.8
Software support
3.5
9.2
Value for money
5.0 est.
5.4
Display
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
Size
6.78 inches
6.7 inches
Type
OLED, Samsung E6 Flexible AMOLED
OLED, Dynamic AMOLED 2X
Resolution
1080 × 2400 px
1440 × 3120 px
Pixel density
—
513 ppi
Refresh rate
144 Hz
120 Hz
Adaptive refresh
✓ Yes
✓ Yes
Peak brightness
2,500 nits
2,600 nits
HDR
—
HDR10+
Protection
Gorilla Glass Victus 2
Corning Gorilla Glass Victus 2
Performance
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
Process
—
3 nm
Max CPU clock
4.3 GHz
4.47 GHz
GPU
Adreno 830
Adreno 830
RAM
12 GB / 16 GB
12 GB
Storage
256 GB / 512 GB
256 GB / 512 GB
Storage type
UFS 4.0
UFS 4.0
microSD slot
✕ No
✕ No
Cameras
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
Main camera
50 MP, f/1.9, 1/1.56"
50 MP, f/1.8, 1/1.56"
Optical stabilization
✓ Yes
✓ Yes
Ultrawide
13 MP
12 MP
Telephoto
32 MP, 3× optical
10 MP, 3× optical
Optical zoom
3×
3×
Rear cameras
3
3
Rear video
8K@30
8K@30
Front camera
32 MP
12 MP
Front video
—
4K@60
Battery and charging
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
Capacity
5,500 mAh
4,900 mAh
Battery type
—
Li-Ion
Wired charging
65 W
45 W
Wireless charging
15 W
15 W
Reverse wireless
—
✓ Yes
Charger in box
✕ No
✕ No
Design and build
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
Dimensions
163.8 × 77 × 8.9 mm
158.4 × 75.8 × 7.3 mm
Thickness
8.9 mm
7.3 mm
Weight
220 g
190 g
Form factor
Bar
Bar
Frame
Aluminum
Aluminum
Back
Glass
Glass
Water resistance
IP68
IP68
Fingerprint
Under-display optical
Under-display ultrasonic
3D face unlock
✕ No
✕ No
SIM
Dual Nano-SIM + eSIM
Nano-SIM + eSIM
Colors
Sage Green, Sakura White, Ebony Black
Navy, Icyblue, Mint, Silver Shadow, Blueblack, Coralred, Pinkgold
Connectivity and features
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
5G
✓ Yes
✓ Yes
Wi-Fi
Wi-Fi 7
Wi-Fi 7
Bluetooth
5.4
5.4
USB
—
USB-C 3.x
NFC
✓ Yes
✓ Yes
3.5 mm jack
✓ Yes
✕ No
Stereo speakers
✓ Yes
✓ Yes
Satellite
✕ No
✓ Yes
IR blaster
✕ No
✕ No
Software
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
OS at launch
Android 15
Android 15
Interface
—
One UI 7
OS updates
2 years
7 years
Security updates
—
7 years
Launch and price
Spec
ASUS Zenfone 12 UltraSamsung Galaxy S25+
Announced
Feb 6, 2025
Jan 22, 2025
Released
Feb 6, 2025
Feb 7, 2025
Status
Released
Released
US launch price
—
$999.99
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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