ASUS Zenfone 12 Ultra vs Samsung Galaxy S25 Ultra
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $999 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 79/100 vs 75/100 (a 4-point difference). Key differences: the ASUS Zenfone 12 Ultra has the bigger battery (5500 mAh vs 5000); the main camera is 50 MP vs 200 MP; the ASUS Zenfone 12 Ultra is faster in AnTuTu (3,247,013 vs 2,780,751).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
Samsung Galaxy S25 Ultra
What makes ASUS Zenfone 12 Ultra better?
- Higher AnTuTu: 3247013 vs 2780751
- Bigger battery: 5500 vs 5000 mAh
- Faster charging: 65W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $999 vs $1299
- Higher performance (92/100 vs 91/100)
- Longer battery life (66/100 vs 56/100)
- Better display (89/100 vs 88/100)
What makes Samsung Galaxy S25 Ultra better?
- Better Geekbench Single: 3100 vs 3013
- Better Geekbench Multi: 9760 vs 9287
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 220g
- Better camera (81/100 vs 56/100)
- Better portability (46/100 vs 38/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 4 points higher (79/100 vs 75/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 56/100). In the "battery" category, the ASUS Zenfone 12 Ultra leads (66/100 vs 56/100). Value score: ASUS Zenfone 12 Ultra — 60/100, Samsung Galaxy S25 Ultra — 68/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the ASUS Zenfone 12 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (92/100 vs 91/100). In the "display" category, the ASUS Zenfone 12 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (89/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the ASUS Zenfone 12 Ultra (81/100 vs 56/100). In the "battery" category, the ASUS Zenfone 12 Ultra is a bit better (66/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3247013 | 2780751 | |
| Geekbench Single | 3013 | 3100 | |
| Geekbench Multi | 9287 | 9760 | |
| Display | 6.8" LTPO AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 2400x1080 | 3120x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 5000 mAh | |
| Charging | 65W | 45W | |
| Wireless charging | 15W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 32 MP | 50 MP | |
| Front camera | 32 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / ZenUI | Android 15 / One UI 7 | |
| Brightness (peak) | 2500 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×77.0×8.9 mm | 162.8×77.6×8.2 mm | |
| Weight | 220 g | 218 g | |
| Launch price | $999 | $1299 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared ASUS Zenfone 12 Ultra and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads Samsung Galaxy S25 Ultra by 16.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $300. ASUS Zenfone 12 Ultra was $300 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the ASUS Zenfone 12 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (92/100 vs 91/100).
display
In the "display" category, the ASUS Zenfone 12 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (89/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the ASUS Zenfone 12 Ultra (81/100 vs 56/100).
battery
In the "battery" category, the ASUS Zenfone 12 Ultra is a bit better (66/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra edges out the ASUS Zenfone 12 Ultra by just 4 points — the two devices are very close in overall level.
What is the rating of the ASUS Zenfone 12 Ultra and the Samsung Galaxy S25 Ultra?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Samsung Galaxy S25 Ultra — 79/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 56/100).
Should you choose the ASUS Zenfone 12 Ultra over the Samsung Galaxy S25 Ultra?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.