ASUS Asus Zenfone 12 Ultra vs Xiaomi 12S Ultra
The ASUS Asus Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the ASUS Asus Zenfone 12 Ultra leads — 62/100 vs 49/100 (a 13-point difference). Key differences: the ASUS Asus Zenfone 12 Ultra has the bigger battery (5500 mAh vs 4800); the main camera is 50 MP vs 3 MP; the ASUS Asus Zenfone 12 Ultra is faster in AnTuTu (2,760,000 vs 1,627,862).
ASUS Asus Zenfone 12 Ultra
Xiaomi 12S Ultra
- Higher AnTuTu: 2760000 vs 1627862
- Better Geekbench Single: 3050 vs 1761
- Better Geekbench Multi: 9300 vs 4688
- Bigger battery: 5500 vs 4800 mAh
- Better main camera: 50MP vs 3MP
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 220g vs 225g
- Higher performance (65/100 vs 24/100)
- Longer battery life (57/100 vs 43/100)
- Better design/ergonomics (25/100 vs 18/100)
- Faster charging: 67W vs 65W
- Better camera (70/100 vs 52/100)
Comparing the ASUS Asus Zenfone 12 Ultra vs the Xiaomi 12S Ultra, the ASUS Asus Zenfone 12 Ultra scores 13 points higher (62/100 vs 49/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra leads (65/100 vs 24/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 52/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra leads (57/100 vs 43/100). In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Xiaomi 12S Ultra (65/100 vs 24/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 12S Ultra notably outperforms the ASUS Asus Zenfone 12 Ultra (70/100 vs 52/100). In the "battery" category, the ASUS Asus Zenfone 12 Ultra is a bit better (57/100 vs 43/100). In the "design" category, the ASUS Asus Zenfone 12 Ultra is a bit better (25/100 vs 18/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | ASUS Asus Zenfone 12 Ultra | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 2760000 | 1627862 | |
| Geekbench Single | 3050 | 1761 | |
| Geekbench Multi | 9300 | 4688 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO2 AMOLED | |
| Resolution | 1080x2400 | 1440x3200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 4800 mAh | |
| Charging | 65W | 67W | |
| Wireless charging | 15W | 0W | |
| DXOMark (camera) | — | 136 | |
| Main camera | 50 MP | 3 MP | |
| Ultrawide | 13 MP | 48 MP | |
| Telephoto | 32 MP | 48 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 12, MIUI 13 | |
| Brightness (peak) | 2500 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×77.0×8.9 mm | 163.2×75.0×9.1 mm | |
| Weight | 220 g | 225 g | |
| Price | — | — |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Xiaomi 12S Ultra
- Main: 3MP f/f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- No wireless charging
We compared ASUS Asus Zenfone 12 Ultra and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
ASUS Asus Zenfone 12 Ultra leads Xiaomi 12S Ultra by 69.5% in our overall performance rating.
performance
In the "performance" category, the ASUS Asus Zenfone 12 Ultra significantly outperforms the Xiaomi 12S Ultra (65/100 vs 24/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Xiaomi 12S Ultra notably outperforms the ASUS Asus Zenfone 12 Ultra (70/100 vs 52/100).
battery
In the "battery" category, the ASUS Asus Zenfone 12 Ultra is a bit better (57/100 vs 43/100).
design
In the "design" category, the ASUS Asus Zenfone 12 Ultra is a bit better (25/100 vs 18/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the ASUS Asus Zenfone 12 Ultra or the Xiaomi 12S Ultra?
The ASUS Asus Zenfone 12 Ultra is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 13 points.
What is the rating of the ASUS Asus Zenfone 12 Ultra and the Xiaomi 12S Ultra?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 62/100, the Xiaomi 12S Ultra — 49/100.
Which has the better camera: the ASUS Asus Zenfone 12 Ultra or the Xiaomi 12S Ultra?
The Xiaomi 12S Ultra leads on camera score (70/100 vs 52/100).
Which is more powerful: the ASUS Asus Zenfone 12 Ultra or the Xiaomi 12S Ultra?
The ASUS Asus Zenfone 12 Ultra leads on performance (65/100 vs 24/100).
Should you choose the ASUS Asus Zenfone 12 Ultra over the Xiaomi 12S Ultra?
The ASUS Asus Zenfone 12 Ultra is a better fit for active users. The Xiaomi 12S Ultra is a better fit for everyday use.