Vivo iQOO 15 vs Xiaomi 14 Ultra
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, 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 — 86/100 vs 79/100 (a 7-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5300); the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 2,345,207); the Vivo iQOO 15 is thinner (8.1mm vs 9.2mm).
Vivo iQOO 15
Xiaomi 14 Ultra
- Higher AnTuTu: 3740528 vs 2345207
- Better Geekbench Single: 3041 vs 2250
- Better Geekbench Multi: 9494 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 (94/100 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)
- Faster wireless charging: 50W vs 40W
- Better camera (80/100 vs 78/100)
Comparing the Vivo iQOO 15 vs the Xiaomi 14 Ultra, the Vivo iQOO 15 scores 7 points higher (86/100 vs 79/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 83/100). Value score: Vivo iQOO 15 — 84/100, Xiaomi 14 Ultra — 70/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 is a bit better (94/100 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).
| Specification | Vivo iQOO 15 | Xiaomi 14 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 3740528 | 2345207 | |
| Geekbench Single | 3041 | 2250 | |
| Geekbench Multi | 9494 | 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 |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 14 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
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
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
We compared Vivo iQOO 15 and Xiaomi 14 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Xiaomi 14 Ultra by 59.5% in our overall performance rating.
Launch price difference: $400. Vivo iQOO 15 was $400 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 is a bit better (94/100 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).
Which is better: the Vivo iQOO 15 or the Xiaomi 14 Ultra?
The Vivo iQOO 15 edges out the Xiaomi 14 Ultra by just 7 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 86/100, 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 (94/100 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.