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; launch prices were $799 and $760. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 84/100 (a 5-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).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi 15S Pro
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2998904
- Better Geekbench Single: 3639 vs 2746
- Better Geekbench Multi: 11047 vs 8431
- Bigger battery: 7400 vs 6100 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 89/100)
- Longer battery life (92/100 vs 77/100)
- Better display (99/100 vs 90/100)
What makes Xiaomi 15S Pro better?
- Cheaper at launch: $760 vs $799
- Overall rating 84/100
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 15S Pro, the Vivo iQOO 15 Ultra scores 5 points higher (89/100 vs 84/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 89/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 77/100). Value score: Vivo iQOO 15 Ultra — 92/100, Xiaomi 15S Pro — 82/100; 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 Vivo iQOO 15 Ultra is a bit better (99/100 vs 89/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 90/100). In the "camera" category, both devices are on the same level — 78/100. In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15S Pro (92/100 vs 77/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Xiaomi XRING O1 | |
| AnTuTu | 4602290 | 2998904 | |
| Geekbench Single | 3639 | 2746 | |
| Geekbench Multi | 11047 | 8431 | |
| 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 | — | |
| 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 | — | |
| Launch price | $799 | $760 |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 15S Pro
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
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
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- Wireless charging: no data
Overall performance score
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.
Benchmarks
Launch prices and where to check today's
Launch price difference: $39. Xiaomi 15S Pro was $39 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 89/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 90/100).
camera
In the "camera" category, both devices are on the same level — 78/100.
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15S Pro (92/100 vs 77/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 15S Pro?
The Vivo iQOO 15 Ultra edges out the Xiaomi 15S Pro by just 5 points — the two devices are very close in overall level.
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 89/100, the Xiaomi 15S Pro — 84/100.
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 15S Pro?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 89/100).
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, budget-conscious buyers. The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.