OPPO K15 vs Xiaomi 18 Pro Max
The OPPO K15 (2026) runs on the Dimensity 7360 Super, 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 64/100 (a 28-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 8000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 990,352); the OPPO K15 is noticeably lighter (200g vs 235g).
Profile comparison
Category scores
OPPO K15
Xiaomi 18 Pro Max
What makes OPPO K15 better?
- Lighter: 200g vs 235g
- Better display (85/100 vs 82/100)
- Better portability (60/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 990352
- Better Geekbench Single: 4327 vs 1025
- Better Geekbench Multi: 12873 vs 2882
- Bigger battery: 8500 vs 8000 mAh
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (100/100 vs 57/100)
- Better camera (100/100 vs 60/100)
- Longer battery life (92/100 vs 71/100)
Comparison verdict
Comparing the OPPO K15 vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 28 points higher (92/100 vs 64/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 57/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 60/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 71/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the OPPO K15 (100/100 vs 57/100). In the "display" category, the OPPO K15 and the Xiaomi 18 Pro Max are nearly equal (85/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OPPO K15 (100/100 vs 60/100). In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the OPPO K15 (92/100 vs 71/100). In the "portability" category, the OPPO K15 notably outperforms the Xiaomi 18 Pro Max (60/100 vs 33/100).
Specs comparison
| Specification | OPPO K15 | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Dimensity 7360 Super | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 990352 | 5001234 | |
| Geekbench Single | 1025 | 4327 | |
| Geekbench Multi | 2882 | 12873 | |
| Display | 6.6" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1256x2760 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 8500 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 50 MP | 50 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 17 | |
| Brightness (peak) | — | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | — | 163.4×77.6×8.4 mm | |
| Weight | 200 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
OPPO K15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Front: 50MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
OPPO K15
- 6.6" AMOLED
- Resolution: 1256x2760
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
OPPO K15
- 8000 mAh
- Wired: 80W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OPPO K15 and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads OPPO K15 by 80.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
OPPO K15
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the OPPO K15 (100/100 vs 57/100).
display
In the "display" category, the OPPO K15 and the Xiaomi 18 Pro Max are nearly equal (85/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OPPO K15 (100/100 vs 60/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the OPPO K15 (92/100 vs 71/100).
portability
In the "portability" category, the OPPO K15 notably outperforms the Xiaomi 18 Pro Max (60/100 vs 33/100).
Frequently asked questions
Which is better: the OPPO K15 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the OPPO K15 by 28 points (92/100 vs 64/100).
What is the rating of the OPPO K15 and the Xiaomi 18 Pro Max?
The OPPO K15 has a MobileRank rating of 64/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the OPPO K15 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 60/100).
Which is more powerful: the OPPO K15 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 57/100).
Should you choose the OPPO K15 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.