Oppo A91 vs Xiaomi 18 Pro Max
The Oppo A91 (2019) runs on the MediaTek Helio P70, 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 36/100 (a 56-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 4025); the main camera is 48 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 303,398); the Xiaomi 18 Pro Max has NFC for contactless payments, the Oppo A91 doesn't; the Oppo A91 is noticeably lighter (172g vs 235g).
Profile comparison
Category scores
Oppo A91
Xiaomi 18 Pro Max
What makes Oppo A91 better?
- Lighter: 172g vs 235g
- Better display (84/100 vs 82/100)
- Better portability (77/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 303398
- Better Geekbench Single: 4327 vs 341
- Better Geekbench Multi: 12873 vs 779
- Bigger battery: 8500 vs 4025 mAh
- Faster charging: 100W vs 20W
- Better main camera: 200MP vs 48MP
- Higher performance (100/100 vs 20/100)
- Better camera (100/100 vs 34/100)
- Longer battery life (92/100 vs 22/100)
Comparison verdict
Comparing the Oppo A91 vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 56 points higher (92/100 vs 36/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 20/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 34/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 22/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A91 (100/100 vs 20/100). In the "display" category, the Oppo A91 and the Xiaomi 18 Pro Max are nearly equal (84/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A91 (100/100 vs 34/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A91 (92/100 vs 22/100). In the "portability" category, the Oppo A91 significantly outperforms the Xiaomi 18 Pro Max (77/100 vs 33/100).
Specs comparison
| Specification | Oppo A91 | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 303398 | 5001234 | |
| Geekbench Single | 341 | 4327 | |
| Geekbench Multi | 779 | 12873 | |
| Display | 6.4" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1080x2400 | 1208x2624 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4025 mAh | 8500 mAh | |
| Charging | 20W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); ColorOS 6.1 | Android 17 | |
| Brightness (peak) | 430 nits | 4000 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 160.2×73.3×7.9 mm | 163.4×77.6×8.4 mm | |
| Weight | 172 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
Oppo A91
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Oppo A91
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
Oppo A91
- 4025 mAh
- Wired: 20W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Oppo A91 and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads Oppo A91 by 93.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A91
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A91 (100/100 vs 20/100).
display
In the "display" category, the Oppo A91 and the Xiaomi 18 Pro Max are nearly equal (84/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A91 (100/100 vs 34/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A91 (92/100 vs 22/100).
portability
In the "portability" category, the Oppo A91 significantly outperforms the Xiaomi 18 Pro Max (77/100 vs 33/100).
Frequently asked questions
Which is better: the Oppo A91 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the Oppo A91 by 56 points (92/100 vs 36/100).
What is the rating of the Oppo A91 and the Xiaomi 18 Pro Max?
The Oppo A91 has a MobileRank rating of 36/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the Oppo A91 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 34/100).
Which is more powerful: the Oppo A91 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 20/100).
Should you choose the Oppo A91 over the Xiaomi 18 Pro Max?
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.