OnePlus 9RT vs Xiaomi 18 Fold
The OnePlus 9RT (2021) runs on the Qualcomm Snapdragon 888, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 56/100 (a 30-point difference). Key differences: the Xiaomi 18 Fold has the bigger battery (6000 mAh vs 4500); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 1,139,950); the OnePlus 9RT is noticeably lighter (198g vs 219g).
Profile comparison
Category scores
OnePlus 9RT
Xiaomi 18 Fold
What makes OnePlus 9RT better?
- Lighter: 198g vs 219g
- Better display (80/100 vs 79/100)
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 1139950
- Better Geekbench Single: 3715 vs 1500
- Better Geekbench Multi: 14213 vs 3537
- Bigger battery: 6000 vs 4500 mAh
- Faster charging: 67W vs 65W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 64/100)
- Better camera (85/100 vs 39/100)
- Longer battery life (75/100 vs 42/100)
- Better portability (64/100 vs 57/100)
Comparison verdict
Comparing the OnePlus 9RT vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 30 points higher (86/100 vs 56/100). In the "performance" category, the Xiaomi 18 Fold leads (99/100 vs 64/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 39/100). In the "battery" category, the Xiaomi 18 Fold leads (75/100 vs 42/100). In the "performance" category, the Xiaomi 18 Fold significantly outperforms the OnePlus 9RT (99/100 vs 64/100). In the "display" category, the OnePlus 9RT and the Xiaomi 18 Fold are nearly equal (80/100 vs 79/100). In the "camera" category, the Xiaomi 18 Fold significantly outperforms the OnePlus 9RT (85/100 vs 39/100). In the "battery" category, the Xiaomi 18 Fold significantly outperforms the OnePlus 9RT (75/100 vs 42/100). In the "portability" category, the Xiaomi 18 Fold is a bit better (64/100 vs 57/100).
Specs comparison
| Specification | OnePlus 9RT | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Xiaomi XRING O3 | |
| AnTuTu | 1139950 | 5228014 | |
| Geekbench Single | 1500 | 3715 | |
| Geekbench Multi | 3537 | 14213 | |
| Display | 6.6" AMOLED | 7.6" LTPO AMOLED | |
| Resolution | 1080x2400 | 1672x2364 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 6000 mAh | |
| Charging | 65W | 67W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 16 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | — | 4000 nits | |
| NFC | yes | yes | |
| Protection | — | IP59 | |
| Dimensions | 162.2×74.6×8.3 mm | 159.7×145.1×5.0 mm | |
| Weight | 198 g | 219 g | |
| Launch price | — | $1639 |
Camera comparison
OnePlus 9RT
- Main: 50MP
- Ultrawide: 16MP
- Front: 16MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
OnePlus 9RT
- 6.6" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
OnePlus 9RT
- 4500 mAh
- Wired: 65W
- No wireless charging
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared OnePlus 9RT and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads OnePlus 9RT by 78.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
OnePlus 9RT
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Fold significantly outperforms the OnePlus 9RT (99/100 vs 64/100).
display
In the "display" category, the OnePlus 9RT and the Xiaomi 18 Fold are nearly equal (80/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 18 Fold significantly outperforms the OnePlus 9RT (85/100 vs 39/100).
battery
In the "battery" category, the Xiaomi 18 Fold significantly outperforms the OnePlus 9RT (75/100 vs 42/100).
portability
In the "portability" category, the Xiaomi 18 Fold is a bit better (64/100 vs 57/100).
Frequently asked questions
Which is better: the OnePlus 9RT or the Xiaomi 18 Fold?
The Xiaomi 18 Fold significantly outperforms the OnePlus 9RT by 30 points (86/100 vs 56/100).
What is the rating of the OnePlus 9RT and the Xiaomi 18 Fold?
The OnePlus 9RT has a MobileRank rating of 56/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the OnePlus 9RT or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 39/100).
Which is more powerful: the OnePlus 9RT or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on performance (99/100 vs 64/100).
Should you choose the OnePlus 9RT over the Xiaomi 18 Fold?
The OnePlus 9RT is a better fit for active users. The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.