Vivo iQOO 15 Ultra vs Xiaomi 15T
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 15T (2025) runs on the MediaTek Dimensity 8400 Ultra; launch prices were $799 and $449. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 69/100 (a 20-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 1,915,524); the Xiaomi 15T is noticeably lighter (194g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi 15T
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 1915524
- Better Geekbench Single: 3639 vs 1579
- Better Geekbench Multi: 11047 vs 6100
- Bigger battery: 7400 vs 5500 mAh
- Faster charging: 120W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 76/100)
- Better camera (78/100 vs 59/100)
- Longer battery life (92/100 vs 59/100)
- Better display (99/100 vs 83/100)
What makes Xiaomi 15T better?
- Lighter: 194g vs 227g
- Cheaper at launch: $449 vs $799
- Better portability (67/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 15T, the Vivo iQOO 15 Ultra scores 20 points higher (89/100 vs 69/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 76/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 59/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 59/100). Value score: Vivo iQOO 15 Ultra — 92/100, Xiaomi 15T — 62/100; 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 Ultra notably outperforms the Xiaomi 15T (99/100 vs 76/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15T (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15T (78/100 vs 59/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 15T (92/100 vs 59/100). In the "portability" category, the Xiaomi 15T significantly outperforms the Vivo iQOO 15 Ultra (67/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 8400 Ultra | |
| AnTuTu | 4602290 | 1915524 | |
| Geekbench Single | 3639 | 1579 | |
| Geekbench Multi | 11047 | 6100 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1440x3168 | 2712x1220 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 5500 mAh | |
| Charging | 120W | 67W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 12 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 8000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.7 mm | 163.2×78.0×7.5 mm | |
| Weight | 227 g | 194 g | |
| Launch price | $799 | $449 |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 15T
- Main: 50MP f/1.6
- Ultrawide: 12MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 15T
- 6.8" AMOLED
- Resolution: 2712x1220
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 15T
- 5500 mAh
- Wired: 67W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 Ultra and Xiaomi 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi 15T by 140.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $350. Xiaomi 15T was $350 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15T (99/100 vs 76/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15T (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 15T (78/100 vs 59/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 15T (92/100 vs 59/100).
portability
In the "portability" category, the Xiaomi 15T significantly outperforms the Vivo iQOO 15 Ultra (67/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 15T?
The Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 15T by 20 points (89/100 vs 69/100).
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 15T?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 15T — 69/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 15T?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 59/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 15T?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 76/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 15T?
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 15T is a better fit for active users.