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).
Profile comparison
Category scores
OnePlus Open
Xiaomi 15 Ultra
What makes OnePlus Open better?
- Better portability (52/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- 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)
Comparison verdict
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).
Specs comparison
| 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 |
Camera comparison
OnePlus Open
- Main: 48MP f/1.7
- Ultrawide: 48MP
- Telephoto: 64MP
- Front: 20MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
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
Battery and charging
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
Overall performance score
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.
Benchmarks
Launch prices and where to check today's
OnePlus Open
Price unknownDetailed category analysis
performance
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).
Frequently asked questions
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.