Vivo iQOO 15 Ultra vs Xiaomi 17T
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 17T (2026) runs on the MediaTek Dimensity 8500 Ultra; launch prices were $799 and $449. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 71/100 (a 18-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,047,329); the Xiaomi 17T is noticeably lighter (185g vs 227g).
Vivo iQOO 15 Ultra
Xiaomi 17T
- Higher AnTuTu: 4602290 vs 2047329
- Better Geekbench Single: 3640 vs 1553
- Better Geekbench Multi: 11033 vs 6403
- Bigger battery: 7400 vs 6500 mAh
- Faster charging: 120W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 76/100)
- Better camera (78/100 vs 63/100)
- Longer battery life (92/100 vs 63/100)
- Better display (99/100 vs 85/100)
- Lighter: 185g vs 227g
- Cheaper at launch: $449 vs $799
- Better portability (74/100 vs 35/100)
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 17T, the Vivo iQOO 15 Ultra scores 18 points higher (89/100 vs 71/100). 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 63/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 63/100). Value score: Vivo iQOO 15 Ultra — 90/100, Xiaomi 17T — 74/100; 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 Ultra notably outperforms the Xiaomi 17T (99/100 vs 76/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (92/100 vs 63/100). In the "portability" category, the Xiaomi 17T significantly outperforms the Vivo iQOO 15 Ultra (74/100 vs 35/100).
| Specification | Vivo iQOO 15 Ultra | Xiaomi 17T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 8500 Ultra | |
| AnTuTu | 4602290 | 2047329 | |
| Geekbench Single | 3640 | 1553 | |
| Geekbench Multi | 11033 | 6403 | |
| Display | 6.8" LTPO AMOLED | 6.6" AMOLED | |
| Resolution | 1440x3168 | 2756x1268 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 6500 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 | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.7 mm | — | |
| Weight | 227 g | 185 g | |
| Launch price | $799 | $449 |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 17T
- Main: 50MP
- Ultrawide: 12MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 17T
- 6.6" AMOLED
- Resolution: 2756x1268
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 17T
- 6500 mAh
- Wired: 67W
- No wireless charging
We compared Vivo iQOO 15 Ultra and Xiaomi 17T, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi 17T by 124.8% in our overall performance rating.
Launch price difference: $350. Xiaomi 17T was $350 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (99/100 vs 76/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (92/100 vs 63/100).
portability
In the "portability" category, the Xiaomi 17T significantly outperforms the Vivo iQOO 15 Ultra (74/100 vs 35/100).
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 17T?
The Vivo iQOO 15 Ultra is noticeably better than the Xiaomi 17T — the overall rating gap is 18 points.
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 17T?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 17T — 71/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 17T?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 63/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 17T?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 76/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 17T?
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 17T is a better fit for active users.