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 — 84/100 vs 42/100 (a 42-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 877,641); the OPPO K15 is noticeably lighter (200g vs 227g).
OPPO K15
Vivo iQOO 15 Ultra
- Bigger battery: 8000 vs 7400 mAh
- Lighter: 200g vs 227g
- Better design/ergonomics (50/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 877641
- Better Geekbench Single: 3640 vs 1011
- Better Geekbench Multi: 11033 vs 2813
- Faster charging: 120W vs 80W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 2/100)
- Better camera (74/100 vs 58/100)
- Longer battery life (86/100 vs 69/100)
Comparing the OPPO K15 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 42 points higher (84/100 vs 42/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 2/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 58/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 69/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the OPPO K15 (97/100 vs 2/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (74/100 vs 58/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (86/100 vs 69/100). In the "design" category, the OPPO K15 significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | OPPO K15 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7360 Super | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 877641 | 4602290 | |
| Geekbench Single | 1011 | 3640 | |
| Geekbench Multi | 2813 | 11033 | |
| 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 | |
| Price | — | $799 |
OPPO K15
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Front: 50MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
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
OPPO K15
- 8000 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared OPPO K15 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads OPPO K15 by 80.9% in our overall performance rating.
OPPO K15
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the OPPO K15 (97/100 vs 2/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (74/100 vs 58/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the OPPO K15 (86/100 vs 69/100).
design
In the "design" category, the OPPO K15 significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the OPPO K15 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the OPPO K15 by 42 points (84/100 vs 42/100).
What is the rating of the OPPO K15 and the Vivo iQOO 15 Ultra?
The OPPO K15 has a MobileRank rating of 42/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the OPPO K15 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 58/100).
Which is more powerful: the OPPO K15 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 2/100).
Should you choose the OPPO K15 over the Vivo iQOO 15 Ultra?
The OPPO K15 is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.