Oppo A78 vs Xiaomi 18 Pro Max
The Oppo A78 (2023) runs on the MediaTek Dimensity 700, 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 37/100 (a 55-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 515,647); the Oppo A78 is noticeably lighter (188g vs 235g).
Profile comparison
Category scores
Oppo A78
Xiaomi 18 Pro Max
What makes Oppo A78 better?
- Lighter: 188g vs 235g
- Better portability (67/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 515647
- Better Geekbench Single: 4327 vs 690
- Better Geekbench Multi: 12873 vs 1736
- Bigger battery: 8500 vs 5000 mAh
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (100/100 vs 40/100)
- Better camera (100/100 vs 18/100)
- Longer battery life (92/100 vs 46/100)
- Better display (82/100 vs 44/100)
Comparison verdict
Comparing the Oppo A78 vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 55 points higher (92/100 vs 37/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 40/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 18/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 46/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (100/100 vs 40/100). In the "display" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (82/100 vs 44/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (100/100 vs 18/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (92/100 vs 46/100). In the "portability" category, the Oppo A78 significantly outperforms the Xiaomi 18 Pro Max (67/100 vs 33/100).
Specs comparison
| Specification | Oppo A78 | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | MediaTek Dimensity 700 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 515647 | 5001234 | |
| Geekbench Single | 690 | 4327 | |
| Geekbench Multi | 1736 | 12873 | |
| Display | 6.6" IPS LCD | 6.9" LTPO AMOLED | |
| Resolution | 720x1612 | 1208x2624 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 5000 mAh | 8500 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | 69 | — | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 50 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 12, ColorOS 13 | Android 17 | |
| Brightness (peak) | 600 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | 163.8×75.1×8.0 mm | 163.4×77.6×8.4 mm | |
| Weight | 188 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
Oppo A78
- Main: 50MP f/1.8
- Front: 8MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Oppo A78
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
Oppo A78
- 5000 mAh
- Wired: 33W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Oppo A78 and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads Oppo A78 by 89.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A78
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (100/100 vs 40/100).
display
In the "display" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (82/100 vs 44/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (100/100 vs 18/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A78 (92/100 vs 46/100).
portability
In the "portability" category, the Oppo A78 significantly outperforms the Xiaomi 18 Pro Max (67/100 vs 33/100).
Frequently asked questions
Which is better: the Oppo A78 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the Oppo A78 by 55 points (92/100 vs 37/100).
What is the rating of the Oppo A78 and the Xiaomi 18 Pro Max?
The Oppo A78 has a MobileRank rating of 37/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the Oppo A78 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 18/100).
Which is more powerful: the Oppo A78 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 40/100).
Should you choose the Oppo A78 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.