Vivo iQOO 15 Ultra vs Xiaomi 14 Ultra
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 14 Ultra (2024) runs on the Qualcomm Snapdragon 8 Gen 3; launch prices were $799 and $999. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 79/100 (a 10-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5300); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,354,148).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi 14 Ultra
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2354148
- Better Geekbench Single: 3639 vs 2250
- Better Geekbench Multi: 11047 vs 7200
- Bigger battery: 7400 vs 5300 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $799 vs $999
- Higher performance (99/100 vs 83/100)
- Longer battery life (92/100 vs 77/100)
- Better display (99/100 vs 90/100)
- Better portability (35/100 vs 32/100)
What makes Xiaomi 14 Ultra better?
- Lighter: 224g vs 227g
- Better camera (80/100 vs 78/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 14 Ultra, the Vivo iQOO 15 Ultra scores 10 points higher (89/100 vs 79/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 83/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 77/100). Value score: Vivo iQOO 15 Ultra — 92/100, Xiaomi 14 Ultra — 68/100; 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 notably outperforms the Xiaomi 14 Ultra (99/100 vs 83/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 90/100). In the "camera" category, the Xiaomi 14 Ultra and the Vivo iQOO 15 Ultra are nearly equal (80/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 14 Ultra (92/100 vs 77/100). In the "portability" category, the Vivo iQOO 15 Ultra and the Xiaomi 14 Ultra are nearly equal (35/100 vs 32/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi 14 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 4602290 | 2354148 | |
| Geekbench Single | 3639 | 2250 | |
| Geekbench Multi | 11047 | 7200 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1440x3168 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 5300 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | — | 149 | |
| 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 | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14 / HyperOS | |
| Brightness (peak) | 8000 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.7 mm | 161.4×75.3×9.2 mm | |
| Weight | 227 g | 224 g | |
| Launch price | $799 | $999 |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 14 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 14 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 14 Ultra
- 5300 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Vivo iQOO 15 Ultra and Xiaomi 14 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi 14 Ultra by 95.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $200. Vivo iQOO 15 Ultra was $200 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 14 Ultra (99/100 vs 83/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 14 Ultra and the Vivo iQOO 15 Ultra are nearly equal (80/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 14 Ultra (92/100 vs 77/100).
portability
In the "portability" category, the Vivo iQOO 15 Ultra and the Xiaomi 14 Ultra are nearly equal (35/100 vs 32/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 14 Ultra?
The Vivo iQOO 15 Ultra is noticeably better than the Xiaomi 14 Ultra — the overall rating gap is 10 points.
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 14 Ultra?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 14 Ultra — 79/100.
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 14 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 83/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 14 Ultra?
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 14 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.