OnePlus 15 vs Xiaomi 13 Ultra
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 13 Ultra (2023) runs on the Qualcomm Snapdragon 8 Gen 2; launch prices were $799 and $900. By overall MobileRank rating, the OnePlus 15 leads — 85/100 vs 74/100 (a 11-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5000); the OnePlus 15 is faster in AnTuTu (3,621,671 vs 1,796,720); the OnePlus 15 is thinner (8.1mm vs 9.1mm).
OnePlus 15
Xiaomi 13 Ultra
- Higher AnTuTu: 3621671 vs 1796720
- Better Geekbench Single: 3041 vs 2004
- Better Geekbench Multi: 9494 vs 5311
- Bigger battery: 6500 vs 5000 mAh
- Faster charging: 120W vs 90W
- Lighter: 213g vs 227g
- Cheaper at launch: $799 vs $900
- Higher performance (94/100 vs 76/100)
- Better camera (78/100 vs 73/100)
- Longer battery life (89/100 vs 73/100)
- Better portability (50/100 vs 31/100)
- Better display (90/100 vs 84/100)
Comparing the OnePlus 15 vs the Xiaomi 13 Ultra, the OnePlus 15 scores 11 points higher (85/100 vs 74/100). In the "performance" category, the OnePlus 15 leads (94/100 vs 76/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 73/100). Value score: OnePlus 15 — 82/100, Xiaomi 13 Ultra — 60/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the OnePlus 15 notably outperforms the Xiaomi 13 Ultra (94/100 vs 76/100). In the "display" category, the Xiaomi 13 Ultra is a bit better (90/100 vs 84/100). In the "camera" category, the OnePlus 15 is a bit better (78/100 vs 73/100). In the "battery" category, the OnePlus 15 notably outperforms the Xiaomi 13 Ultra (89/100 vs 73/100). In the "portability" category, the OnePlus 15 notably outperforms the Xiaomi 13 Ultra (50/100 vs 31/100).
| Specification | OnePlus 15 | Xiaomi 13 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 2 | |
| AnTuTu | 3621671 | 1796720 | |
| Geekbench Single | 3041 | 2004 | |
| Geekbench Multi | 9494 | 5311 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1272x2772 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 5000 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | — | 140 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 13 | |
| Brightness (peak) | 1800 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 161.4×76.7×8.1 mm | 163.2×74.6×9.1 mm | |
| Weight | 213 g | 227 g | |
| Launch price | $799 | $900 |
OnePlus 15
- Main: 50MP
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 13 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Xiaomi 13 Ultra
- 6.7" AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 13 Ultra
- 5000 mAh
- Wired: 90W
- Wireless: 50W
We compared OnePlus 15 and Xiaomi 13 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15 leads Xiaomi 13 Ultra by 101.6% in our overall performance rating.
Launch price difference: $101. OnePlus 15 was $101 cheaper at launch.
performance
In the "performance" category, the OnePlus 15 notably outperforms the Xiaomi 13 Ultra (94/100 vs 76/100).
display
In the "display" category, the Xiaomi 13 Ultra is a bit better (90/100 vs 84/100).
camera
In the "camera" category, the OnePlus 15 is a bit better (78/100 vs 73/100).
battery
In the "battery" category, the OnePlus 15 notably outperforms the Xiaomi 13 Ultra (89/100 vs 73/100).
portability
In the "portability" category, the OnePlus 15 notably outperforms the Xiaomi 13 Ultra (50/100 vs 31/100).
Which is better: the OnePlus 15 or the Xiaomi 13 Ultra?
The OnePlus 15 is noticeably better than the Xiaomi 13 Ultra — the overall rating gap is 11 points.
What is the rating of the OnePlus 15 and the Xiaomi 13 Ultra?
The OnePlus 15 has a MobileRank rating of 85/100, the Xiaomi 13 Ultra — 74/100.
Which has the better camera: the OnePlus 15 or the Xiaomi 13 Ultra?
The OnePlus 15 leads on camera score (78/100 vs 73/100).
Which is more powerful: the OnePlus 15 or the Xiaomi 13 Ultra?
The OnePlus 15 leads on performance (94/100 vs 76/100).
Should you choose the OnePlus 15 over the Xiaomi 13 Ultra?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 13 Ultra is a better fit for active users.