OnePlus Open 2 vs Redmi K90 Ultra
The OnePlus Open 2 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the OnePlus Open 2 leads — 80/100 vs 73/100 (a 7-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5900); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 3,119,308).
OnePlus Open 2
Redmi K90 Ultra
- Better camera (74/100 vs 37/100)
- Higher AnTuTu: 3233695 vs 3119308
- Bigger battery: 8550 vs 5900 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Better display (94/100 vs 67/100)
Comparing the OnePlus Open 2 vs the Redmi K90 Ultra, the OnePlus Open 2 scores 7 points higher (80/100 vs 73/100). In the "camera" category, the OnePlus Open 2 leads (74/100 vs 37/100). In the "performance" category, both devices are on the same level — 92/100. In the "display" category, the Redmi K90 Ultra notably outperforms the OnePlus Open 2 (94/100 vs 67/100). In the "camera" category, the OnePlus Open 2 significantly outperforms the Redmi K90 Ultra (74/100 vs 37/100). In the "battery" category, both devices are on the same level — 78/100.
| Specification | OnePlus Open 2 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3119308 | 3233695 | |
| Geekbench Single | 3041 | 3041 | |
| Geekbench Multi | 9494 | 9494 | |
| Display | 8.0" Foldable LTPO3 Flexi-fluid AMO | 6.8" AMOLED | |
| Resolution | 2268x2440 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5900 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 16GB | 12GB / 16GB | |
| Storage | 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15, OxygenOS 15 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | IPX8 | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | — | 227 g | |
| Launch price | — | $420 |
OnePlus Open 2
- Main: 50MP
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OnePlus Open 2
- 8.0" Foldable LTPO3 Flexi-fluid AMO
- Resolution: 2268x2440
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OnePlus Open 2
- 5900 mAh
- Wired: 80W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared OnePlus Open 2 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads OnePlus Open 2 by 3.5% in our overall performance rating.
OnePlus Open 2
Price unknownperformance
In the "performance" category, both devices are on the same level — 92/100.
display
In the "display" category, the Redmi K90 Ultra notably outperforms the OnePlus Open 2 (94/100 vs 67/100).
camera
In the "camera" category, the OnePlus Open 2 significantly outperforms the Redmi K90 Ultra (74/100 vs 37/100).
battery
In the "battery" category, both devices are on the same level — 78/100.
Which is better: the OnePlus Open 2 or the Redmi K90 Ultra?
The OnePlus Open 2 edges out the Redmi K90 Ultra by just 7 points — the two devices are very close in overall level.
What is the rating of the OnePlus Open 2 and the Redmi K90 Ultra?
The OnePlus Open 2 has a MobileRank rating of 80/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OnePlus Open 2 or the Redmi K90 Ultra?
The OnePlus Open 2 leads on camera score (74/100 vs 37/100).
Should you choose the OnePlus Open 2 over the Redmi K90 Ultra?
The OnePlus Open 2 is a better fit for gamers and power users, those who care about battery life. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.