ASUS ROG Phone 6D Ultimate vs Xiaomi 15 Ultra
The ASUS ROG Phone 6D Ultimate (2022) runs on the MediaTek Dimensity 9000+, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $1499 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 61/100 (a 24-point difference). Key differences: the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,453,683); the Xiaomi 15 Ultra is noticeably lighter (225g vs 247g).
ASUS ROG Phone 6D Ultimate
Xiaomi 15 Ultra
- Higher refresh rate: 165Hz vs 120Hz
- Overall rating 61/100
- Higher AnTuTu: 3030376 vs 1453683
- Better Geekbench Single: 3050 vs 1967
- Better Geekbench Multi: 10200 vs 5401
- Faster charging: 90W vs 65W
- Lighter: 225g vs 247g
- Cheaper at launch: $999 vs $1499
- Higher performance (92/100 vs 73/100)
- Better camera (87/100 vs 36/100)
- Longer battery life (80/100 vs 60/100)
- Better display (90/100 vs 89/100)
- Better portability (29/100 vs 20/100)
Comparing the ASUS ROG Phone 6D Ultimate vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 24 points higher (85/100 vs 61/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 73/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 36/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 60/100). Value score: ASUS ROG Phone 6D Ultimate — 28/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra notably outperforms the ASUS ROG Phone 6D Ultimate (92/100 vs 73/100). In the "display" category, the Xiaomi 15 Ultra and the ASUS ROG Phone 6D Ultimate are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ASUS ROG Phone 6D Ultimate (87/100 vs 36/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the ASUS ROG Phone 6D Ultimate (80/100 vs 60/100). In the "portability" category, the Xiaomi 15 Ultra is a bit better (29/100 vs 20/100).
| Specification | ASUS ROG Phone 6D Ultimate | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9000+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1453683 | 3030376 | |
| Geekbench Single | 1967 | 3050 | |
| Geekbench Multi | 5401 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2448x1080 | 3200x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 6000 mAh | 6000 mAh | |
| Charging | 65W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 12 MP | 32 MP | |
| RAM | 16GB | 16GB | |
| Storage | 512GB | 256GB / 512GB / 1TB | |
| OS | Android 12 / ROG UI | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1200 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IPX4 | IP68 | |
| Dimensions | 173.0×77.0×10.4 mm | 161.3×75.3×9.4 mm | |
| Weight | 247 g | 225 g | |
| Launch price | $1499 | $999 |
ASUS ROG Phone 6D Ultimate
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Front: 12MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
ASUS ROG Phone 6D Ultimate
- 6.8" AMOLED
- Resolution: 2448x1080
- Refresh rate: 165 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
ASUS ROG Phone 6D Ultimate
- 6000 mAh
- Wired: 65W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared ASUS ROG Phone 6D Ultimate and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads ASUS ROG Phone 6D Ultimate by 52.0% in our overall performance rating.
Launch price difference: $500. Xiaomi 15 Ultra was $500 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the ASUS ROG Phone 6D Ultimate (92/100 vs 73/100).
display
In the "display" category, the Xiaomi 15 Ultra and the ASUS ROG Phone 6D Ultimate are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ASUS ROG Phone 6D Ultimate (87/100 vs 36/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the ASUS ROG Phone 6D Ultimate (80/100 vs 60/100).
portability
In the "portability" category, the Xiaomi 15 Ultra is a bit better (29/100 vs 20/100).
Which is better: the ASUS ROG Phone 6D Ultimate or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the ASUS ROG Phone 6D Ultimate by 24 points (85/100 vs 61/100).
What is the rating of the ASUS ROG Phone 6D Ultimate and the Xiaomi 15 Ultra?
The ASUS ROG Phone 6D Ultimate has a MobileRank rating of 61/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the ASUS ROG Phone 6D Ultimate or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 36/100).
Which is more powerful: the ASUS ROG Phone 6D Ultimate or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 73/100).
Should you choose the ASUS ROG Phone 6D Ultimate over the Xiaomi 15 Ultra?
The ASUS ROG Phone 6D Ultimate is a better fit for active users. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.