The same Snapdragon 8 Elite Gen 5 - so the choice comes down to size, battery and camera.
Short answer
OnePlus 15 - a bigger 165 Hz display, 7300 mAh, 120 W, IP69. Xiaomi 17 - a compact 6.3" and 191 g, LTPO, three 50 MP cameras and 8K.
Key differences
| Spec | OnePlus 15 | Xiaomi 17 |
|---|---|---|
| Chip | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Display | 6.78", LTPO AMOLED, 1272×2772, 165 Hz | 6.3", LTPO OLED, 1220×2656, 120 Hz |
| RAM / storage | 12/256 GB, 16/512 GB | 12/256 GB, 12/512 GB |
| Rear cameras | 50 MP + 50 MP + 50 MP | 50 MP + 50 MP + 50 MP |
| Front | 32 MP | 50 MP |
| Battery | 7300 mAh | 6330 mAh |
| Charging | 120 W / 50 W wireless | 100 W / 50 W wireless |
| Protection | IP68/IP69 | IP68 |
| Thickness / weight | 211 g | 8.06 mm / 191 g |
| Price | current prices | current prices |
Specs come from the device pages on Smartphone.ua.
Chip
The Qualcomm Snapdragon 8 Elite Gen 5 is the same, so the difference is in cooling and firmware.
Size
The Xiaomi 17 is one of the most compact flagships with a 6330 mAh battery.
Charging
120 W on the OnePlus vs 100 W on the Xiaomi; wireless is 50 W on both.
Verdict: who should buy which
- Big screen and battery life - OnePlus 15.
- Compactness and camera - Xiaomi 17.
FAQ
Is the chip the same?
Yes.
Which is lighter?
The Xiaomi 17 - 191 g.
What battery does the OnePlus 15 have?
7300 mAh.