ASUS Zenfone 12 Ultra vs Xiaomi 15S Pro
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; launch prices were $999 and $760. By overall MobileRank rating, the Xiaomi 15S Pro leads — 84/100 vs 75/100 (a 9-point difference). Key differences: the Xiaomi 15S Pro has the bigger battery (6100 mAh vs 5500); the ASUS Zenfone 12 Ultra is faster in AnTuTu (3,247,013 vs 2,998,904).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
Xiaomi 15S Pro
What makes ASUS Zenfone 12 Ultra better?
- Higher AnTuTu: 3247013 vs 2998904
- Better Geekbench Single: 3013 vs 2746
- Better Geekbench Multi: 9287 vs 8431
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (92/100 vs 89/100)
What makes Xiaomi 15S Pro better?
- Bigger battery: 6100 vs 5500 mAh
- Faster charging: 90W vs 65W
- Cheaper at launch: $760 vs $999
- Better camera (78/100 vs 56/100)
- Longer battery life (77/100 vs 66/100)
- Better display (90/100 vs 89/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the Xiaomi 15S Pro, the Xiaomi 15S Pro scores 9 points higher (84/100 vs 75/100). In the "camera" category, the Xiaomi 15S Pro leads (78/100 vs 56/100). In the "battery" category, the Xiaomi 15S Pro leads (77/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, Xiaomi 15S Pro — 82/100; 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 Xiaomi 15S Pro are nearly equal (92/100 vs 89/100). In the "display" category, the Xiaomi 15S Pro and the ASUS Zenfone 12 Ultra are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 15S Pro notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100). In the "battery" category, the Xiaomi 15S Pro is a bit better (77/100 vs 66/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Xiaomi XRING O1 | |
| AnTuTu | 3247013 | 2998904 | |
| Geekbench Single | 3013 | 2746 | |
| Geekbench Multi | 9287 | 8431 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2400x1080 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 6100 mAh | |
| Charging | 65W | 90W | |
| Wireless charging | 15W | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 32 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB | 512GB / 1TB | |
| OS | Android 15 / ZenUI | Android 15 | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 163.8×77.0×8.9 mm | — | |
| Weight | 220 g | — | |
| Launch price | $999 | $760 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Xiaomi 15S Pro
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Xiaomi 15S Pro
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- Wireless charging: no data
Overall performance score
We compared ASUS Zenfone 12 Ultra and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads Xiaomi 15S Pro by 8.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $239. Xiaomi 15S Pro was $239 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the ASUS Zenfone 12 Ultra and the Xiaomi 15S Pro are nearly equal (92/100 vs 89/100).
display
In the "display" category, the Xiaomi 15S Pro and the ASUS Zenfone 12 Ultra are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the Xiaomi 15S Pro notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100).
battery
In the "battery" category, the Xiaomi 15S Pro is a bit better (77/100 vs 66/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the Xiaomi 15S Pro?
The Xiaomi 15S Pro edges out the ASUS Zenfone 12 Ultra by just 9 points — the two devices are very close in overall level.
What is the rating of the ASUS Zenfone 12 Ultra and the Xiaomi 15S Pro?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Xiaomi 15S Pro — 84/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on camera score (78/100 vs 56/100).
Should you choose the ASUS Zenfone 12 Ultra over the Xiaomi 15S Pro?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.