Oppo Reno Ace vs Xiaomi 18 Pro Max
The Oppo Reno Ace (2019) runs on the Qualcomm Snapdragon 855+, 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 49/100 (a 43-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 4000); the main camera is 48 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 859,084); the Oppo Reno Ace is noticeably lighter (200g vs 235g).
Profile comparison
Category scores
Oppo Reno Ace
Xiaomi 18 Pro Max
What makes Oppo Reno Ace better?
- Lighter: 200g vs 235g
- Better portability (52/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 859084
- Better Geekbench Single: 4327 vs 1031
- Better Geekbench Multi: 12873 vs 2864
- Bigger battery: 8500 vs 4000 mAh
- Faster charging: 100W vs 65W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (100/100 vs 55/100)
- Better camera (100/100 vs 40/100)
- Longer battery life (92/100 vs 32/100)
- Better display (82/100 vs 68/100)
Comparison verdict
Comparing the Oppo Reno Ace vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 43 points higher (92/100 vs 49/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 55/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 40/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 32/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo Reno Ace (100/100 vs 55/100). 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 significantly outperforms the Oppo Reno Ace (100/100 vs 40/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo Reno Ace (92/100 vs 32/100). In the "portability" category, the Oppo Reno Ace notably outperforms the Xiaomi 18 Pro Max (52/100 vs 33/100).
Specs comparison
| Specification | Oppo Reno Ace | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 859084 | 5001234 | |
| Geekbench Single | 1031 | 4327 | |
| Geekbench Multi | 2864 | 12873 | |
| Display | 6.5" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1080x2400 | 1208x2624 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 4000 mAh | 8500 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 13 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie), planned upgrade to Android 10.0; ColorOS 6.1 | Android 17 | |
| Brightness (peak) | 500 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 161.0×75.7×8.7 mm | 163.4×77.6×8.4 mm | |
| Weight | 200 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
Oppo Reno Ace
- Main: 48MP f/1.7
- Ultrawide: 8MP
- Telephoto: 13MP
- Front: 16MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Oppo Reno Ace
- 6.5" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
Oppo Reno Ace
- 4000 mAh
- Wired: 65W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Oppo Reno Ace and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads Oppo Reno Ace by 82.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo Reno Ace
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo Reno Ace (100/100 vs 55/100).
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 significantly outperforms the Oppo Reno Ace (100/100 vs 40/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo Reno Ace (92/100 vs 32/100).
portability
In the "portability" category, the Oppo Reno Ace notably outperforms the Xiaomi 18 Pro Max (52/100 vs 33/100).
Frequently asked questions
Which is better: the Oppo Reno Ace or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the Oppo Reno Ace by 43 points (92/100 vs 49/100).
What is the rating of the Oppo Reno Ace and the Xiaomi 18 Pro Max?
The Oppo Reno Ace has a MobileRank rating of 49/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the Oppo Reno Ace or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 40/100).
Which is more powerful: the Oppo Reno Ace or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 55/100).
Should you choose the Oppo Reno Ace 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.