Oppo A6k vs Vivo iQOO 15 Ultra
The Oppo A6k (2026) runs on the MediaTek Dimensity 6300, 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 30/100 (a 54-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 7000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 524,785); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Oppo A6k doesn't.
Oppo A6k
Vivo iQOO 15 Ultra
- Lighter: 216g vs 227g
- Better design/ergonomics (30/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 524785
- Better Geekbench Single: 3640 vs 771
- Better Geekbench Multi: 11033 vs 1980
- Bigger battery: 7400 vs 7000 mAh
- Faster charging: 120W vs 5W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 24/100)
- Longer battery life (86/100 vs 50/100)
Comparing the Oppo A6k vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 54 points higher (84/100 vs 30/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6k (97/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6k (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6k (86/100 vs 50/100). In the "design" category, the Oppo A6k is a bit better (30/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Oppo A6k | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 524785 | 4602290 | |
| Geekbench Single | 771 | 3640 | |
| Geekbench Multi | 1980 | 11033 | |
| Display | 6.8" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1570 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 7000 mAh | 7400 mAh | |
| Charging | 5W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1125 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 166.6×78.5×8.6 mm | 163.7×76.8×8.7 mm | |
| Weight | 216 g | 227 g | |
| Price | — | $799 |
Oppo A6k
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Oppo A6k
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Oppo A6k
- 7000 mAh
- Wired: 5W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Oppo A6k and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Oppo A6k by 88.6% in our overall performance rating.
Oppo A6k
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6k (97/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6k (74/100 vs 24/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6k (86/100 vs 50/100).
design
In the "design" category, the Oppo A6k is a bit better (30/100 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 A6k or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Oppo A6k by 54 points (84/100 vs 30/100).
What is the rating of the Oppo A6k and the Vivo iQOO 15 Ultra?
The Oppo A6k has a MobileRank rating of 30/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Oppo A6k or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 24/100).
Which is more powerful: the Oppo A6k or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Oppo A6k over the Vivo iQOO 15 Ultra?
The Oppo A6k 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.