Vivo iQOO 15 Ultra vs Xiaomi 18 Pro
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 18 Pro (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 6; launch prices were $799 and $845. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 88/100 (a 1-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 7000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro is noticeably lighter (203g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi 18 Pro
What makes Vivo iQOO 15 Ultra better?
- Bigger battery: 7400 vs 7000 mAh
- Faster charging: 120W vs 100W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $799 vs $845
- Longer battery life (92/100 vs 87/100)
- Better display (99/100 vs 82/100)
What makes Xiaomi 18 Pro better?
- Better main camera: 200MP vs 50MP
- Lighter: 203g vs 227g
- Better camera (100/100 vs 78/100)
- Better portability (52/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 18 Pro, the Vivo iQOO 15 Ultra scores 1 points higher (89/100 vs 88/100). In the "camera" category, the Xiaomi 18 Pro leads (100/100 vs 78/100). Value score: Vivo iQOO 15 Ultra — 92/100, Xiaomi 18 Pro — 90/100; 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 "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 18 Pro (99/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro notably outperforms the Vivo iQOO 15 Ultra (100/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 Ultra is a bit better (92/100 vs 87/100). In the "portability" category, the Xiaomi 18 Pro notably outperforms the Vivo iQOO 15 Ultra (52/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi 18 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 6 | |
| AnTuTu | 4602290 | — | |
| Geekbench Single | 3639 | — | |
| Geekbench Multi | 11047 | — | |
| Display | 6.8" LTPO AMOLED | 6.4" LTPO AMOLED | |
| Resolution | 1440x3168 | 1120x2436 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 7000 mAh | |
| Charging | 120W | 100W | |
| Wireless charging | 50W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 17 | |
| Brightness (peak) | 8000 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.7×76.8×8.7 mm | 151.8×72.0×8.5 mm | |
| Weight | 227 g | 203 g | |
| Launch price | $799 | $845 |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 18 Pro
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 18 Pro
- 6.4" LTPO AMOLED
- Resolution: 1120x2436
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 18 Pro
- 7000 mAh
- Wired: 100W
- Wireless: 50W
Benchmarks
Launch prices and where to check today's
Launch price difference: $46. Vivo iQOO 15 Ultra was $46 cheaper at launch.
Detailed category analysis
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 18 Pro (99/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro notably outperforms the Vivo iQOO 15 Ultra (100/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra is a bit better (92/100 vs 87/100).
portability
In the "portability" category, the Xiaomi 18 Pro notably outperforms the Vivo iQOO 15 Ultra (52/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 18 Pro?
The Vivo iQOO 15 Ultra edges out the Xiaomi 18 Pro by just 1 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 18 Pro?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 18 Pro — 88/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 18 Pro?
The Xiaomi 18 Pro leads on camera score (100/100 vs 78/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 18 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 18 Pro is a better fit for mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.