Vivo iQOO 15 Ultra vs Xiaomi 18 Pro Max
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6; launch prices were $799 and $986. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 88/100 (a 1-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 7400); the main camera is 50 MP vs 200 MP.
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi 18 Pro Max
What makes Vivo iQOO 15 Ultra better?
- Faster charging: 120W vs 100W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 227g vs 235g
- Cheaper at launch: $799 vs $986
- Better display (99/100 vs 82/100)
- Better portability (35/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Bigger battery: 8500 vs 7400 mAh
- Better main camera: 200MP vs 50MP
- Better camera (100/100 vs 78/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 18 Pro Max, the Vivo iQOO 15 Ultra scores 1 points higher (89/100 vs 88/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 78/100). Value score: Vivo iQOO 15 Ultra — 92/100, Xiaomi 18 Pro Max — 88/100; 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 Max (99/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the Vivo iQOO 15 Ultra (100/100 vs 78/100). In the "battery" category, both devices are on the same level — 92/100. In the "portability" category, the Vivo iQOO 15 Ultra and the Xiaomi 18 Pro Max are nearly equal (35/100 vs 33/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 4602290 | — | |
| Geekbench Single | 3639 | — | |
| Geekbench Multi | 11047 | — | |
| Display | 6.8" LTPO AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1440x3168 | 1208x2624 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 8500 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 | 163.4×77.6×8.4 mm | |
| Weight | 227 g | 235 g | |
| Launch price | $799 | $986 |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 18 Pro Max
- 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 Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Benchmarks
Launch prices and where to check today's
Launch price difference: $187. Vivo iQOO 15 Ultra was $187 cheaper at launch.
Detailed category analysis
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 18 Pro Max (99/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the Vivo iQOO 15 Ultra (100/100 vs 78/100).
battery
In the "battery" category, both devices are on the same level — 92/100.
portability
In the "portability" category, the Vivo iQOO 15 Ultra and the Xiaomi 18 Pro Max are nearly equal (35/100 vs 33/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 18 Pro Max?
The Vivo iQOO 15 Ultra edges out the Xiaomi 18 Pro Max 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 Max?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 18 Pro Max — 88/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 78/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 18 Pro Max?
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 Max is a better fit for mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.