ASUS ROG Phone 9 vs Xiaomi 12S Ultra
The ASUS ROG Phone 9 (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 ROG Phone 9 leads — 60/100 vs 49/100 (a 11-point difference). Key differences: the ASUS ROG Phone 9 has the bigger battery (5800 mAh vs 4800); the main camera is 50 MP vs 3 MP; the ASUS ROG Phone 9 is faster in AnTuTu (3,136,217 vs 1,627,862).
ASUS ROG Phone 9
Xiaomi 12S Ultra
- Higher AnTuTu: 3136217 vs 1627862
- Better Geekbench Single: 3100 vs 1761
- Better Geekbench Multi: 9900 vs 4688
- Bigger battery: 5800 vs 4800 mAh
- Better main camera: 50MP vs 3MP
- Higher refresh rate: 185Hz vs 120Hz
- Higher performance (72/100 vs 24/100)
- Longer battery life (58/100 vs 43/100)
- Faster charging: 67W vs 65W
- Lighter: 225g vs 227g
- Better camera (70/100 vs 39/100)
- Better design/ergonomics (18/100 vs 16/100)
- Better value for money (55/100 vs 41/100)
Comparing the ASUS ROG Phone 9 vs the Xiaomi 12S Ultra, the ASUS ROG Phone 9 scores 11 points higher (60/100 vs 49/100). In the "performance" category, the ASUS ROG Phone 9 leads (72/100 vs 24/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 39/100). In the "battery" category, the ASUS ROG Phone 9 leads (58/100 vs 43/100). In the "value for money" category, the Xiaomi 12S Ultra leads (55/100 vs 41/100). In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Xiaomi 12S Ultra (72/100 vs 24/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 12S Ultra significantly outperforms the ASUS ROG Phone 9 (70/100 vs 39/100). In the "battery" category, the ASUS ROG Phone 9 notably outperforms the Xiaomi 12S Ultra (58/100 vs 43/100). In the "design" category, the Xiaomi 12S Ultra and the ASUS ROG Phone 9 are nearly equal (18/100 vs 16/100). In the "value for money" category, the Xiaomi 12S Ultra is a bit better (55/100 vs 41/100).
| Specification | ASUS ROG Phone 9 | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3136217 | 1627862 | |
| Geekbench Single | 3100 | 1761 | |
| Geekbench Multi | 9900 | 4688 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO2 AMOLED | |
| Resolution | 2400x1080 | 1440x3200 | |
| Refresh rate | 185 Hz | 120 Hz | |
| Battery | 5800 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 | 0 MP | 48 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 / ROG UI | Android 12, MIUI 13 | |
| Brightness (peak) | 2500 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×76.8×8.9 mm | 163.2×75.0×9.1 mm | |
| Weight | 227 g | 225 g | |
| Price | $999 | — |
ASUS ROG Phone 9
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Front: 32MP
Xiaomi 12S Ultra
- Main: 3MP f/f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
ASUS ROG Phone 9
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 185 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
ASUS ROG Phone 9
- 5800 mAh
- Wired: 65W
- Wireless: 15W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- No wireless charging
We compared ASUS ROG Phone 9 and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
ASUS ROG Phone 9 leads Xiaomi 12S Ultra by 92.7% in our overall performance rating.
Xiaomi 12S Ultra
Price unknownperformance
In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Xiaomi 12S Ultra (72/100 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 significantly outperforms the ASUS ROG Phone 9 (70/100 vs 39/100).
battery
In the "battery" category, the ASUS ROG Phone 9 notably outperforms the Xiaomi 12S Ultra (58/100 vs 43/100).
design
In the "design" category, the Xiaomi 12S Ultra and the ASUS ROG Phone 9 are nearly equal (18/100 vs 16/100).
value for money
In the "value for money" category, the Xiaomi 12S Ultra is a bit better (55/100 vs 41/100).
Which is better: the ASUS ROG Phone 9 or the Xiaomi 12S Ultra?
The ASUS ROG Phone 9 is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 11 points.
What is the rating of the ASUS ROG Phone 9 and the Xiaomi 12S Ultra?
The ASUS ROG Phone 9 has a MobileRank rating of 60/100, the Xiaomi 12S Ultra — 49/100.
Which has the better camera: the ASUS ROG Phone 9 or the Xiaomi 12S Ultra?
The Xiaomi 12S Ultra leads on camera score (70/100 vs 39/100).
Which is more powerful: the ASUS ROG Phone 9 or the Xiaomi 12S Ultra?
The ASUS ROG Phone 9 leads on performance (72/100 vs 24/100).
Should you choose the ASUS ROG Phone 9 over the Xiaomi 12S Ultra?
The ASUS ROG Phone 9 is a better fit for active users. The Xiaomi 12S Ultra is a better fit for everyday use.