Vivo iQOO 15 Ultra vs Xiaomi 15S Pro
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; estimated prices are $799 and $760. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 70/100 (a 14-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6100); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,998,904).
Vivo iQOO 15 Ultra
Xiaomi 15S Pro
- Higher AnTuTu: 4602290 vs 2998904
- Better Geekbench Single: 3640 vs 3000
- Better Geekbench Multi: 11033 vs 9000
- Bigger battery: 7400 vs 6100 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 67/100)
- Longer battery life (86/100 vs 63/100)
- Cheaper: $760 vs $799
- Better design/ergonomics (50/100 vs 16/100)
- Better value for money (57/100 vs 55/100)
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 15S Pro, the Vivo iQOO 15 Ultra scores 14 points higher (84/100 vs 70/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 67/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 63/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 15S Pro (97/100 vs 67/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 74/100. In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15S Pro (86/100 vs 63/100). In the "design" category, the Xiaomi 15S Pro significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100). In the "value for money" category, the Xiaomi 15S Pro and the Vivo iQOO 15 Ultra are nearly equal (57/100 vs 55/100).
| Specification | Vivo iQOO 15 Ultra | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Xiaomi XRING O1 | |
| AnTuTu | 4602290 | 2998904 | |
| Geekbench Single | 3640 | 3000 | |
| Geekbench Multi | 11033 | 9000 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1440x3168 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 6100 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB / 1TB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | — | |
| Weight | 227 g | — | |
| Price | $799 | $760 |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 15S Pro
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 15S Pro
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- No wireless charging
We compared Vivo iQOO 15 Ultra and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi 15S Pro by 53.5% in our overall performance rating.
Price difference: $39. Xiaomi 15S Pro is cheaper by $39.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 15S Pro (97/100 vs 67/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 74/100.
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15S Pro (86/100 vs 63/100).
design
In the "design" category, the Xiaomi 15S Pro significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100).
value for money
In the "value for money" category, the Xiaomi 15S Pro and the Vivo iQOO 15 Ultra are nearly equal (57/100 vs 55/100).
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 15S Pro?
The Vivo iQOO 15 Ultra is noticeably better than the Xiaomi 15S Pro — the overall rating gap is 14 points.
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 15S Pro?
The Vivo iQOO 15 Ultra has a MobileRank rating of 84/100, the Xiaomi 15S Pro — 70/100.
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 15S Pro?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 67/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 15S Pro?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi 15S Pro is a better fit for active users.