Vivo iQOO 15 vs Xiaomi 15 Ultra
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $599 and $999. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 85/100 (a 1-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 3,030,376); the Vivo iQOO 15 is thinner (8.1mm vs 9.4mm).
Vivo iQOO 15
Xiaomi 15 Ultra
- Higher AnTuTu: 3740528 vs 3030376
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 215g vs 225g
- Cheaper: $599 vs $999
- Higher performance (94/100 vs 92/100)
- Longer battery life (85/100 vs 80/100)
- Better display (99/100 vs 90/100)
- Better portability (48/100 vs 29/100)
- Better value for money (84/100 vs 82/100)
- Better Geekbench Single: 3050 vs 3041
- Better Geekbench Multi: 10200 vs 9494
- Faster wireless charging: 50W vs 40W
- Better camera (87/100 vs 78/100)
Comparing the Vivo iQOO 15 vs the Xiaomi 15 Ultra, the Vivo iQOO 15 scores 1 points higher (86/100 vs 85/100). In the "performance" category, the Vivo iQOO 15 and the Xiaomi 15 Ultra are nearly equal (94/100 vs 92/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 90/100). In the "camera" category, the Xiaomi 15 Ultra is a bit better (87/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 80/100). In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi 15 Ultra (48/100 vs 29/100). In the "value for money" category, the Vivo iQOO 15 and the Xiaomi 15 Ultra are nearly equal (84/100 vs 82/100).
| Specification | Vivo iQOO 15 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3740528 | 3030376 | |
| Geekbench Single | 3041 | 3050 | |
| Geekbench Multi | 9494 | 10200 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1440x3168 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 40W | 50W | |
| DXOMark (camera) | — | 159 | |
| 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 | 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 6000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.1 mm | 161.3×75.3×9.4 mm | |
| Weight | 215 g | 225 g | |
| Price | $599 | $999 |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 15 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 15 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 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared Vivo iQOO 15 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Xiaomi 15 Ultra by 23.4% in our overall performance rating.
Price difference: $400. Vivo iQOO 15 is cheaper by $400.
performance
In the "performance" category, the Vivo iQOO 15 and the Xiaomi 15 Ultra are nearly equal (94/100 vs 92/100).
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 15 Ultra is a bit better (87/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 80/100).
portability
In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi 15 Ultra (48/100 vs 29/100).
value for money
In the "value for money" category, the Vivo iQOO 15 and the Xiaomi 15 Ultra are nearly equal (84/100 vs 82/100).
Which is better: the Vivo iQOO 15 or the Xiaomi 15 Ultra?
The Vivo iQOO 15 edges out the Xiaomi 15 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15 and the Xiaomi 15 Ultra?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Vivo iQOO 15 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 78/100).
Should you choose the Vivo iQOO 15 over the Xiaomi 15 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 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.