OPPO K15 vs Vivo iQOO 15 Ultra
The OPPO K15 (2026) runs on the Dimensity 7360 Super, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 64/100 (a 25-point difference). Key differences: the OPPO K15 has the bigger battery (8000 mAh vs 7400); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 990,352); the OPPO K15 is noticeably lighter (200g vs 227g).
Profile comparison
Category scores
OPPO K15
Vivo iQOO 15 Ultra
What makes OPPO K15 better?
- Bigger battery: 8000 vs 7400 mAh
- Lighter: 200g vs 227g
- Better portability (60/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 990352
- Better Geekbench Single: 3639 vs 1025
- Better Geekbench Multi: 11047 vs 2882
- Faster charging: 120W vs 80W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 57/100)
- Better camera (78/100 vs 60/100)
- Longer battery life (92/100 vs 71/100)
- Better display (99/100 vs 85/100)
Comparison verdict
Comparing the OPPO K15 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 25 points higher (89/100 vs 64/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 57/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 60/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 71/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the OPPO K15 (99/100 vs 57/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (78/100 vs 60/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (92/100 vs 71/100). In the "portability" category, the OPPO K15 notably outperforms the Vivo iQOO 15 Ultra (60/100 vs 35/100).
Specs comparison
| Specification | OPPO K15 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7360 Super | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 990352 | 4602290 | |
| Geekbench Single | 1025 | 3639 | |
| Geekbench Multi | 2882 | 11047 | |
| Display | 6.6" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1256x2760 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 8000 mAh | 7400 mAh | |
| Charging | 80W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 12GB | 12GB / 16GB / 24GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 163.7×76.8×8.7 mm | |
| Weight | 200 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
OPPO K15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Front: 50MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OPPO K15
- 6.6" AMOLED
- Resolution: 1256x2760
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
OPPO K15
- 8000 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared OPPO K15 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads OPPO K15 by 78.5% 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 iQOO 15 Ultra significantly outperforms the OPPO K15 (99/100 vs 57/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (78/100 vs 60/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (92/100 vs 71/100).
portability
In the "portability" category, the OPPO K15 notably outperforms the Vivo iQOO 15 Ultra (60/100 vs 35/100).
Frequently asked questions
Which is better: the OPPO K15 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the OPPO K15 by 25 points (89/100 vs 64/100).
What is the rating of the OPPO K15 and the Vivo iQOO 15 Ultra?
The OPPO K15 has a MobileRank rating of 64/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the OPPO K15 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 60/100).
Which is more powerful: the OPPO K15 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 57/100).
Should you choose the OPPO K15 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.