OPPO K15 vs Vivo X300s
The OPPO K15 (2026) runs on the Dimensity 7360 Super, while the Vivo X300s (2026) runs on the Dimensity 9500. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 64/100 (a 25-point difference). Key differences: the OPPO K15 has the bigger battery (8000 mAh vs 7100); the main camera is 50 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 990,352); the OPPO K15 is noticeably lighter (200g vs 217g).
Profile comparison
Category scores
OPPO K15
Vivo X300s
What makes OPPO K15 better?
- Bigger battery: 8000 vs 7100 mAh
- Lighter: 200g vs 217g
- Better portability (60/100 vs 42/100)
What makes Vivo X300s better?
- Higher AnTuTu: 3703823 vs 990352
- Better Geekbench Single: 3293 vs 1025
- Better Geekbench Multi: 10243 vs 2882
- Faster charging: 90W vs 80W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (95/100 vs 57/100)
- Better camera (94/100 vs 60/100)
- Longer battery life (83/100 vs 71/100)
- Better display (94/100 vs 85/100)
Comparison verdict
Comparing the OPPO K15 vs the Vivo X300s, the Vivo X300s scores 25 points higher (89/100 vs 64/100). In the "performance" category, the Vivo X300s leads (95/100 vs 57/100). In the "camera" category, the Vivo X300s leads (94/100 vs 60/100). In the "battery" category, the Vivo X300s leads (83/100 vs 71/100). In the "performance" category, the Vivo X300s significantly outperforms the OPPO K15 (95/100 vs 57/100). In the "display" category, the Vivo X300s is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo X300s significantly outperforms the OPPO K15 (94/100 vs 60/100). In the "battery" category, the Vivo X300s is a bit better (83/100 vs 71/100). In the "portability" category, the OPPO K15 notably outperforms the Vivo X300s (60/100 vs 42/100).
Specs comparison
| Specification | OPPO K15 | Vivo X300s | |
|---|---|---|---|
| Processor | Dimensity 7360 Super | Dimensity 9500 | |
| AnTuTu | 990352 | 3703823 | |
| Geekbench Single | 1025 | 3293 | |
| Geekbench Multi | 2882 | 10243 | |
| Display | 6.6" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1256x2760 | 2800x1260 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 8000 mAh | 7100 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 0W | 40W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 50 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 / OriginOS 6 | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Weight | 200 g | 217 g | |
| Launch price | — | $723 |
Camera comparison
OPPO K15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Front: 50MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
OPPO K15
- 6.6" AMOLED
- Resolution: 1256x2760
- Refresh rate: 120 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
OPPO K15
- 8000 mAh
- Wired: 80W
- No wireless charging
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared OPPO K15 and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo X300s leads OPPO K15 by 73.3% 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 Vivo X300s significantly outperforms the OPPO K15 (95/100 vs 57/100).
display
In the "display" category, the Vivo X300s is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Vivo X300s significantly outperforms the OPPO K15 (94/100 vs 60/100).
battery
In the "battery" category, the Vivo X300s is a bit better (83/100 vs 71/100).
portability
In the "portability" category, the OPPO K15 notably outperforms the Vivo X300s (60/100 vs 42/100).
Frequently asked questions
Which is better: the OPPO K15 or the Vivo X300s?
The Vivo X300s significantly outperforms the OPPO K15 by 25 points (89/100 vs 64/100).
What is the rating of the OPPO K15 and the Vivo X300s?
The OPPO K15 has a MobileRank rating of 64/100, the Vivo X300s — 89/100.
Which has the better camera: the OPPO K15 or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 60/100).
Which is more powerful: the OPPO K15 or the Vivo X300s?
The Vivo X300s leads on performance (95/100 vs 57/100).
Should you choose the OPPO K15 over the Vivo X300s?
The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.