ASUS Zenfone 11 Ultra vs Xiaomi 15 Ultra
The ASUS Zenfone 11 Ultra (2024) runs on the Qualcomm Snapdragon 8 Gen 3, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $899 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 73/100 (a 12-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5500); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 2,444,132); per DXOMark lab testing, the Xiaomi 15 Ultra has the stronger camera (159 vs 125).
Profile comparison
Category scores
ASUS Zenfone 11 Ultra
Xiaomi 15 Ultra
What makes ASUS Zenfone 11 Ultra better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 224g vs 225g
- Cheaper at launch: $899 vs $999
- Better portability (36/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 2444132
- Better Geekbench Single: 3050 vs 2203
- Better Geekbench Multi: 10200 vs 6511
- Bigger battery: 6000 vs 5500 mAh
- Faster charging: 90W vs 65W
- Faster wireless charging: 50W vs 15W
- Higher performance (92/100 vs 83/100)
- Better camera (87/100 vs 61/100)
- Longer battery life (80/100 vs 66/100)
- Better display (90/100 vs 89/100)
Comparison verdict
Comparing the ASUS Zenfone 11 Ultra vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 12 points higher (85/100 vs 73/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 61/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 66/100). Value score: ASUS Zenfone 11 Ultra — 58/100, Xiaomi 15 Ultra — 80/100; 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 Xiaomi 15 Ultra is a bit better (92/100 vs 83/100). In the "display" category, the Xiaomi 15 Ultra and the ASUS Zenfone 11 Ultra are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 15 Ultra notably outperforms the ASUS Zenfone 11 Ultra (87/100 vs 61/100). In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 66/100). In the "portability" category, the ASUS Zenfone 11 Ultra is a bit better (36/100 vs 29/100).
Specs comparison
| Specification | ASUS Zenfone 11 Ultra | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2444132 | 3030376 | |
| Geekbench Single | 2203 | 3050 | |
| Geekbench Multi | 6511 | 10200 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2400x1080 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 6000 mAh | |
| Charging | 65W | 90W | |
| Wireless charging | 15W | 50W | |
| DXOMark (camera) | 125 | 159 | |
| 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 | 256GB / 512GB / 1TB | |
| OS | Android 14 / ZenUI | Android 15 / HyperOS 2 | |
| Brightness (peak) | 2500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×76.8×8.9 mm | 161.3×75.3×9.4 mm | |
| Weight | 224 g | 225 g | |
| Launch price | $899 | $999 |
Camera comparison
ASUS Zenfone 11 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS Zenfone 11 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 11 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
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 Zenfone 11 Ultra and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads ASUS Zenfone 11 Ultra by 19.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $100. ASUS Zenfone 11 Ultra was $100 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 83/100).
display
In the "display" category, the Xiaomi 15 Ultra and the ASUS Zenfone 11 Ultra are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the Xiaomi 15 Ultra notably outperforms the ASUS Zenfone 11 Ultra (87/100 vs 61/100).
battery
In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 66/100).
portability
In the "portability" category, the ASUS Zenfone 11 Ultra is a bit better (36/100 vs 29/100).
Frequently asked questions
Which is better: the ASUS Zenfone 11 Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the ASUS Zenfone 11 Ultra — the overall rating gap is 12 points.
What is the rating of the ASUS Zenfone 11 Ultra and the Xiaomi 15 Ultra?
The ASUS Zenfone 11 Ultra has a MobileRank rating of 73/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the ASUS Zenfone 11 Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 61/100).
Which is more powerful: the ASUS Zenfone 11 Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 83/100).
Should you choose the ASUS Zenfone 11 Ultra over the Xiaomi 15 Ultra?
The ASUS Zenfone 11 Ultra is a better fit for gamers and power 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.