OPPO K15 vs Xiaomi 17 Ultra
The OPPO K15 (2026) runs on the Dimensity 7360 Super, while the Xiaomi 17 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra leads — 89/100 vs 64/100 (a 25-point difference). Key differences: the OPPO K15 has the bigger battery (8000 mAh vs 6000); the Xiaomi 17 Ultra is faster in AnTuTu (3,667,711 vs 990,352); the OPPO K15 is noticeably lighter (200g vs 226g).
Profile comparison
Category scores
OPPO K15
Xiaomi 17 Ultra
What makes OPPO K15 better?
- Bigger battery: 8000 vs 6000 mAh
- Lighter: 200g vs 226g
- Better portability (60/100 vs 40/100)
What makes Xiaomi 17 Ultra better?
- Higher AnTuTu: 3667711 vs 990352
- Better Geekbench Single: 3639 vs 1025
- Better Geekbench Multi: 11047 vs 2882
- Faster charging: 90W vs 80W
- Higher performance (97/100 vs 57/100)
- Better camera (93/100 vs 60/100)
- Longer battery life (80/100 vs 71/100)
- Better display (89/100 vs 85/100)
Comparison verdict
Comparing the OPPO K15 vs the Xiaomi 17 Ultra, the Xiaomi 17 Ultra scores 25 points higher (89/100 vs 64/100). In the "performance" category, the Xiaomi 17 Ultra leads (97/100 vs 57/100). In the "camera" category, the Xiaomi 17 Ultra leads (93/100 vs 60/100). In the "performance" category, the Xiaomi 17 Ultra significantly outperforms the OPPO K15 (97/100 vs 57/100). In the "display" category, the Xiaomi 17 Ultra and the OPPO K15 are nearly equal (89/100 vs 85/100). In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the OPPO K15 (93/100 vs 60/100). In the "battery" category, the Xiaomi 17 Ultra is a bit better (80/100 vs 71/100). In the "portability" category, the OPPO K15 notably outperforms the Xiaomi 17 Ultra (60/100 vs 40/100).
Specs comparison
| Specification | OPPO K15 | Xiaomi 17 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7360 Super | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 990352 | 3667711 | |
| Geekbench Single | 1025 | 3639 | |
| Geekbench Multi | 2882 | 11047 | |
| Display | 6.6" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1256x2760 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 6000 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 166 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 162.9×77.6×8.3 mm | |
| Weight | 200 g | 226 g | |
| Launch price | — | $999 |
Camera comparison
OPPO K15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Front: 50MP
Xiaomi 17 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
OPPO K15
- 6.6" AMOLED
- Resolution: 1256x2760
- Refresh rate: 120 Hz
Xiaomi 17 Ultra
- 6.8" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
OPPO K15
- 8000 mAh
- Wired: 80W
- No wireless charging
Xiaomi 17 Ultra
- 6000 mAh
- NanoReview test: web browsing 16:09 hrs, total 33:23 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared OPPO K15 and Xiaomi 17 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra leads OPPO K15 by 73.0% 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 17 Ultra significantly outperforms the OPPO K15 (97/100 vs 57/100).
display
In the "display" category, the Xiaomi 17 Ultra and the OPPO K15 are nearly equal (89/100 vs 85/100).
camera
In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the OPPO K15 (93/100 vs 60/100).
battery
In the "battery" category, the Xiaomi 17 Ultra is a bit better (80/100 vs 71/100).
portability
In the "portability" category, the OPPO K15 notably outperforms the Xiaomi 17 Ultra (60/100 vs 40/100).
Frequently asked questions
Which is better: the OPPO K15 or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra significantly outperforms the OPPO K15 by 25 points (89/100 vs 64/100).
What is the rating of the OPPO K15 and the Xiaomi 17 Ultra?
The OPPO K15 has a MobileRank rating of 64/100, the Xiaomi 17 Ultra — 89/100.
Which has the better camera: the OPPO K15 or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on camera score (93/100 vs 60/100).
Which is more powerful: the OPPO K15 or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on performance (97/100 vs 57/100).
Should you choose the OPPO K15 over the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.