Both are flagships with batteries over 7000 mAh and 50 W wireless charging. The Xiaomi is noticeably cheaper.
Short answer
OnePlus 15 - 7300 mAh, 120 W, 165 Hz LTPO, IP69, lighter (211 g). Xiaomi 17T Pro - Dimensity 9500, 100 W, a 12/1024 GB version and much cheaper.
Key differences
| Spec | OnePlus 15 | Xiaomi 17T Pro |
|---|---|---|
| Chip | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9500 |
| Display | 6.78", LTPO AMOLED, 1272×2772, 165 Hz | 6.83", AMOLED, 1280×2772, 144 Hz |
| RAM / storage | 12/256 GB, 16/512 GB | 12/256 GB, 12/512 GB, 12/1024 GB |
| Rear cameras | 50 MP + 50 MP + 50 MP | 50 MP + 50 MP + 12 MP |
| Front | 32 MP | 32 MP |
| Battery | 7300 mAh | 7000 mAh |
| Charging | 120 W / 50 W wireless | 100 W / 50 W wireless |
| Protection | IP68/IP69 | IP68 |
| Thickness / weight | 211 g | 8.25 mm / 219 g |
| Price | current prices | current prices |
Specs come from the device pages on Smartphone.ua.
Chips
Qualcomm Snapdragon 8 Elite Gen 5 and MediaTek Dimensity 9500 - both are flagship chips.
Battery
7300 mAh and 120 W on the OnePlus vs 7000 mAh and 100 W on the Xiaomi.
Cameras
50 + 50 + 50 MP on the OnePlus vs 50 + 50 + 12 MP on the Xiaomi. A 32 MP front camera on both.
Verdict: who should buy which
- The maximum without compromise - OnePlus 15.
- A flagship for less - Xiaomi 17T Pro.
FAQ
Is the wireless charging the same?
Yes, 50 W.
What refresh rate does the Xiaomi screen have?
144 Hz.
Which is cheaper?
The Xiaomi 17T Pro.