OnePlus Open vs Xiaomi 15 Ultra
The OnePlus Open (2023) runs on the Qualcomm Snapdragon 8 Gen 2, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 69/100 (a 16-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4805); the main camera is 48 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,704,161); the OnePlus Open is thinner (5.8mm vs 9.4mm).
OnePlus Open
Xiaomi 15 Ultra
- Better portability (52/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 1704161
- Better Geekbench Single: 3050 vs 2004
- Better Geekbench Multi: 10200 vs 5311
- Bigger battery: 6000 vs 4805 mAh
- Faster charging: 90W vs 67W
- Better main camera: 50MP vs 48MP
- Lighter: 225g vs 239g
- Higher performance (92/100 vs 75/100)
- Better camera (87/100 vs 78/100)
- Longer battery life (80/100 vs 49/100)
- Better display (90/100 vs 68/100)
Comparing the OnePlus Open vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 16 points higher (85/100 vs 69/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 75/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 49/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the OnePlus Open (92/100 vs 75/100). In the "display" category, the Xiaomi 15 Ultra notably outperforms the OnePlus Open (90/100 vs 68/100). In the "camera" category, the Xiaomi 15 Ultra is a bit better (87/100 vs 78/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus Open (80/100 vs 49/100). In the "portability" category, the OnePlus Open notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
| Specification | OnePlus Open | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1704161 | 3030376 | |
| Geekbench Single | 2004 | 3050 | |
| Geekbench Multi | 5311 | 10200 | |
| Display | 7.8" Foldable LTPO3 Flexi-fluid AMO | 6.7" LTPO AMOLED | |
| Resolution | 2268x2440 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4805 mAh | 6000 mAh | |
| Charging | 67W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 48 MP | 50 MP | |
| Telephoto | 64 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 16GB | 16GB | |
| Storage | 512GB | 256GB / 512GB / 1TB | |
| OS | Android 13, upgradable to Android 14, OxygenOS 14 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 2800 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IPX4 | IP68 | |
| Dimensions | 153.4×143.1×5.8 mm | 161.3×75.3×9.4 mm | |
| Weight | 239 g | 225 g | |
| Launch price | — | $999 |
OnePlus Open
- Main: 48MP f/f/1.7
- Ultrawide: 48MP
- Telephoto: 64MP
- Front: 20MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OnePlus Open
- 7.8" Foldable LTPO3 Flexi-fluid AMO
- Resolution: 2268x2440
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
OnePlus Open
- 4805 mAh
- Wired: 67W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared OnePlus Open and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads OnePlus Open by 43.8% in our overall performance rating.
OnePlus Open
Price unknownperformance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the OnePlus Open (92/100 vs 75/100).
display
In the "display" category, the Xiaomi 15 Ultra notably outperforms the OnePlus Open (90/100 vs 68/100).
camera
In the "camera" category, the Xiaomi 15 Ultra is a bit better (87/100 vs 78/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus Open (80/100 vs 49/100).
portability
In the "portability" category, the OnePlus Open notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
Which is better: the OnePlus Open or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the OnePlus Open — the overall rating gap is 16 points.
What is the rating of the OnePlus Open and the Xiaomi 15 Ultra?
The OnePlus Open has a MobileRank rating of 69/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the OnePlus Open or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 78/100).
Which is more powerful: the OnePlus Open or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 75/100).
Should you choose the OnePlus Open over the Xiaomi 15 Ultra?
The OnePlus Open is a better fit for active users. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.