Vivo iQOO 15 vs Xiaomi 14 Ultra
The Vivo iQOO 15 (2025) 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 $599 and $999. By overall MobileRank rating, the Vivo iQOO 15 leads — 88/100 vs 79/100 (a 9-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5300); the Vivo iQOO 15 is faster in AnTuTu (3,950,082 vs 2,354,148); the Vivo iQOO 15 is thinner (8.1mm vs 9.2mm).
Profile comparison
Category scores
Vivo iQOO 15
Xiaomi 14 Ultra
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3950082 vs 2354148
- Better Geekbench Single: 3639 vs 2250
- Better Geekbench Multi: 11047 vs 7200
- Bigger battery: 7000 vs 5300 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 215g vs 224g
- Cheaper at launch: $599 vs $999
- Higher performance (98/100 vs 83/100)
- Longer battery life (85/100 vs 77/100)
- Better display (99/100 vs 90/100)
- Better portability (48/100 vs 32/100)
What makes Xiaomi 14 Ultra better?
- Faster wireless charging: 50W vs 40W
- Better camera (80/100 vs 78/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Xiaomi 14 Ultra, the Vivo iQOO 15 scores 9 points higher (88/100 vs 79/100). In the "performance" category, the Vivo iQOO 15 leads (98/100 vs 83/100). Value score: Vivo iQOO 15 — 90/100, 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 notably outperforms the Xiaomi 14 Ultra (98/100 vs 83/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 90/100). In the "camera" category, the Xiaomi 14 Ultra and the Vivo iQOO 15 are nearly equal (80/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 77/100). In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi 14 Ultra (48/100 vs 32/100).
Specs comparison
| Specification | Vivo iQOO 15 | Xiaomi 14 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 3950082 | 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 | 7000 mAh | 5300 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 40W | 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 | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14 / HyperOS | |
| Brightness (peak) | 6000 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.1 mm | 161.4×75.3×9.2 mm | |
| Weight | 215 g | 224 g | |
| Launch price | $599 | $999 |
Camera comparison
Vivo iQOO 15
- 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
- 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
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Xiaomi 14 Ultra
- 5300 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Vivo iQOO 15 and Xiaomi 14 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Xiaomi 14 Ultra by 67.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $400. Vivo iQOO 15 was $400 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 notably outperforms the Xiaomi 14 Ultra (98/100 vs 83/100).
display
In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 14 Ultra and the Vivo iQOO 15 are nearly equal (80/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 77/100).
portability
In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi 14 Ultra (48/100 vs 32/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Xiaomi 14 Ultra?
The Vivo iQOO 15 edges out the Xiaomi 14 Ultra by just 9 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15 and the Xiaomi 14 Ultra?
The Vivo iQOO 15 has a MobileRank rating of 88/100, the Xiaomi 14 Ultra — 79/100.
Which is more powerful: the Vivo iQOO 15 or the Xiaomi 14 Ultra?
The Vivo iQOO 15 leads on performance (98/100 vs 83/100).
Should you choose the Vivo iQOO 15 over the Xiaomi 14 Ultra?
The Vivo iQOO 15 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.