OnePlus Open vs Xiaomi 18 Pro Max
The OnePlus Open (2023) runs on the Qualcomm Snapdragon 8 Gen 2, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 69/100 (a 23-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 4805); the main camera is 48 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 1,704,161); the OnePlus Open is thinner (5.8mm vs 8.4mm).
Profile comparison
Category scores
OnePlus Open
Xiaomi 18 Pro Max
What makes OnePlus Open better?
- Better portability (52/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 1704161
- Better Geekbench Single: 4327 vs 2004
- Better Geekbench Multi: 12873 vs 5311
- Bigger battery: 8500 vs 4805 mAh
- Faster charging: 100W vs 67W
- Better main camera: 200MP vs 48MP
- Lighter: 235g vs 239g
- Higher performance (100/100 vs 75/100)
- Better camera (100/100 vs 78/100)
- Longer battery life (92/100 vs 49/100)
- Better display (82/100 vs 68/100)
Comparison verdict
Comparing the OnePlus Open vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 23 points higher (92/100 vs 69/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 75/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 78/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 49/100). In the "performance" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Open (100/100 vs 75/100). In the "display" category, the Xiaomi 18 Pro Max is a bit better (82/100 vs 68/100). In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Open (100/100 vs 78/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus Open (92/100 vs 49/100). In the "portability" category, the OnePlus Open notably outperforms the Xiaomi 18 Pro Max (52/100 vs 33/100).
Specs comparison
| Specification | OnePlus Open | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 1704161 | 5001234 | |
| Geekbench Single | 2004 | 4327 | |
| Geekbench Multi | 5311 | 12873 | |
| Display | 7.8" Foldable LTPO3 Flexi-fluid AMO | 6.9" LTPO AMOLED | |
| Resolution | 2268x2440 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4805 mAh | 8500 mAh | |
| Charging | 67W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 48 MP | 50 MP | |
| Telephoto | 64 MP | 200 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 16GB | 12GB / 16GB | |
| Storage | 512GB | 256GB / 512GB / 1TB | |
| OS | Android 13, upgradable to Android 14, OxygenOS 14 | Android 17 | |
| Brightness (peak) | 2800 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IPX4 | IP68/IP69 | |
| Dimensions | 153.4×143.1×5.8 mm | 163.4×77.6×8.4 mm | |
| Weight | 239 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
OnePlus Open
- Main: 48MP f/1.7
- Ultrawide: 48MP
- Telephoto: 64MP
- Front: 20MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
OnePlus Open
- 7.8" Foldable LTPO3 Flexi-fluid AMO
- Resolution: 2268x2440
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
OnePlus Open
- 4805 mAh
- Wired: 67W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus Open and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads OnePlus Open by 65.9% 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 18 Pro Max notably outperforms the OnePlus Open (100/100 vs 75/100).
display
In the "display" category, the Xiaomi 18 Pro Max is a bit better (82/100 vs 68/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Open (100/100 vs 78/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus Open (92/100 vs 49/100).
portability
In the "portability" category, the OnePlus Open notably outperforms the Xiaomi 18 Pro Max (52/100 vs 33/100).
Frequently asked questions
Which is better: the OnePlus Open or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the OnePlus Open by 23 points (92/100 vs 69/100).
What is the rating of the OnePlus Open and the Xiaomi 18 Pro Max?
The OnePlus Open has a MobileRank rating of 69/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the OnePlus Open or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 78/100).
Which is more powerful: the OnePlus Open or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 75/100).
Should you choose the OnePlus Open over the Xiaomi 18 Pro Max?
The OnePlus Open is a better fit for active users. The Xiaomi 18 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.