ASUS 8z vs Xiaomi 15 Ultra
The ASUS 8z (2022) runs on the Qualcomm Snapdragon 888, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 54/100 (a 31-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4000); the main camera is 64 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,135,878); the ASUS 8z is noticeably lighter (169g vs 225g).
Profile comparison
Category scores
ASUS 8z
Xiaomi 15 Ultra
What makes ASUS 8z better?
- Better main camera: 64MP vs 50MP
- Lighter: 169g vs 225g
- Better portability (68/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1135878
- Better Geekbench Single: 3050 vs 1500
- Better Geekbench Multi: 10200 vs 3537
- Bigger battery: 6000 vs 4000 mAh
- Higher performance (92/100 vs 64/100)
- Better camera (87/100 vs 43/100)
- Longer battery life (80/100 vs 25/100)
- Better display (90/100 vs 79/100)
Comparison verdict
Comparing the ASUS 8z vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 31 points higher (85/100 vs 54/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 64/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 43/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 25/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the ASUS 8z (92/100 vs 64/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 79/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ASUS 8z (87/100 vs 43/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the ASUS 8z (80/100 vs 25/100). In the "portability" category, the ASUS 8z significantly outperforms the Xiaomi 15 Ultra (68/100 vs 29/100).
Specs comparison
| Specification | ASUS 8z | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1135878 | 3030376 | |
| Geekbench Single | 1500 | 3050 | |
| Geekbench Multi | 3537 | 10200 | |
| Display | 5.9" | 6.7" LTPO AMOLED | |
| Resolution | 1080x2448 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4000 mAh | 6000 mAh | |
| Charging | — | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 12 MP | 32 MP | |
| RAM | — | 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 11 Red Velvet Cake | Android 15 / HyperOS 2 | |
| Brightness (peak) | — | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 148.0×68.5×8.9 mm | 161.3×75.3×9.4 mm | |
| Weight | 169 g | 225 g | |
| Launch price | — | $999 |
Camera comparison
ASUS 8z
- Main: 64MP
- Ultrawide: 12MP
- Front: 12MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS 8z
- 5.9"
- Resolution: 1080x2448
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS 8z
- 4000 mAh
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared ASUS 8z and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads ASUS 8z by 62.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
ASUS 8z
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the ASUS 8z (92/100 vs 64/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ASUS 8z (87/100 vs 43/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the ASUS 8z (80/100 vs 25/100).
portability
In the "portability" category, the ASUS 8z significantly outperforms the Xiaomi 15 Ultra (68/100 vs 29/100).
Frequently asked questions
Which is better: the ASUS 8z or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the ASUS 8z by 31 points (85/100 vs 54/100).
What is the rating of the ASUS 8z and the Xiaomi 15 Ultra?
The ASUS 8z has a MobileRank rating of 54/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the ASUS 8z or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 43/100).
Which is more powerful: the ASUS 8z or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 64/100).
Should you choose the ASUS 8z over the Xiaomi 15 Ultra?
The ASUS 8z 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.