Oppo A31 vs Xiaomi 18 Fold
The Oppo A31 (2020) runs on the MediaTek Helio P35, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 25/100 (a 61-point difference). Key differences: the Xiaomi 18 Fold has the bigger battery (6000 mAh vs 4230); the main camera is 12 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 199,111); the Xiaomi 18 Fold has NFC for contactless payments, the Oppo A31 doesn't; the Oppo A31 is noticeably lighter (180g vs 219g).
Profile comparison
Category scores
Oppo A31
Xiaomi 18 Fold
What makes Oppo A31 better?
- Lighter: 180g vs 219g
- Better portability (68/100 vs 64/100)
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 199111
- Better Geekbench Single: 3715 vs 476
- Better Geekbench Multi: 14213 vs 828
- Bigger battery: 6000 vs 4230 mAh
- Better main camera: 200MP vs 12MP
- Higher performance (99/100 vs 19/100)
- Better camera (85/100 vs 10/100)
- Longer battery life (75/100 vs 39/100)
- Better display (79/100 vs 39/100)
Comparison verdict
Comparing the Oppo A31 vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 61 points higher (86/100 vs 25/100). In the "performance" category, the Xiaomi 18 Fold leads (99/100 vs 19/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 10/100). In the "battery" category, the Xiaomi 18 Fold leads (75/100 vs 39/100). In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (99/100 vs 19/100). In the "display" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (79/100 vs 39/100). In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (85/100 vs 10/100). In the "battery" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (75/100 vs 39/100). In the "portability" category, the Oppo A31 and the Xiaomi 18 Fold are nearly equal (68/100 vs 64/100).
Specs comparison
| Specification | Oppo A31 | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | MediaTek Helio P35 | Xiaomi XRING O3 | |
| AnTuTu | 199111 | 5228014 | |
| Geekbench Single | 476 | 3715 | |
| Geekbench Multi | 828 | 14213 | |
| Display | 6.5" IPS LCD | 7.6" LTPO AMOLED | |
| Resolution | 720x1600 | 1672x2364 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4230 mAh | 6000 mAh | |
| Charging | — | 67W | |
| Wireless charging | — | 50W | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 16 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); ColorOS 6.1 | Android 16 | |
| Brightness (peak) | 480 nits | 4000 nits | |
| NFC | no | yes | |
| Protection | — | IP59 | |
| Dimensions | 163.9×75.5×8.3 mm | 159.7×145.1×5.0 mm | |
| Weight | 180 g | 219 g | |
| Launch price | — | $1639 |
Camera comparison
Oppo A31
- Main: 12MP f/1.8
- Front: 8MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
Oppo A31
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
Oppo A31
- 4230 mAh
- Wireless charging: no data
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Oppo A31 and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads Oppo A31 by 96.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A31
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (99/100 vs 19/100).
display
In the "display" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (79/100 vs 39/100).
camera
In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (85/100 vs 10/100).
battery
In the "battery" category, the Xiaomi 18 Fold significantly outperforms the Oppo A31 (75/100 vs 39/100).
portability
In the "portability" category, the Oppo A31 and the Xiaomi 18 Fold are nearly equal (68/100 vs 64/100).
Frequently asked questions
Which is better: the Oppo A31 or the Xiaomi 18 Fold?
The Xiaomi 18 Fold significantly outperforms the Oppo A31 by 61 points (86/100 vs 25/100).
What is the rating of the Oppo A31 and the Xiaomi 18 Fold?
The Oppo A31 has a MobileRank rating of 25/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the Oppo A31 or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 10/100).
Which is more powerful: the Oppo A31 or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on performance (99/100 vs 19/100).
Should you choose the Oppo A31 over the Xiaomi 18 Fold?
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.