Oppo A6x 4G vs Vivo iQOO 15 Ultra
The Oppo A6x 4G (2025) runs on the Qualcomm Snapdragon 685, 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 35/100 (a 54-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6500); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 476,175); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Oppo A6x 4G doesn't; the Oppo A6x 4G is noticeably lighter (210g vs 227g).
Profile comparison
Category scores
Oppo A6x 4G
Vivo iQOO 15 Ultra
What makes Oppo A6x 4G better?
- Lighter: 210g vs 227g
- Better portability (47/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 476175
- Better Geekbench Single: 3639 vs 466
- Better Geekbench Multi: 11047 vs 1396
- Bigger battery: 7400 vs 6500 mAh
- Faster charging: 120W vs 5W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 34/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 53/100)
- Better display (99/100 vs 55/100)
Comparison verdict
Comparing the Oppo A6x 4G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 54 points higher (89/100 vs 35/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 34/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 53/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (99/100 vs 34/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (92/100 vs 53/100). In the "portability" category, the Oppo A6x 4G is a bit better (47/100 vs 35/100).
Specs comparison
| Specification | Oppo A6x 4G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 476175 | 4602290 | |
| Geekbench Single | 466 | 3639 | |
| Geekbench Multi | 1396 | 11047 | |
| Display | 6.8" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1570 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6500 mAh | 7400 mAh | |
| Charging | 5W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1125 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 166.6×78.5×8.6 mm | 163.7×76.8×8.7 mm | |
| Weight | 210 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Oppo A6x 4G
- Main: 13MP f/2.2
- Front: 5MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo A6x 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A6x 4G
- 6500 mAh
- Wired: 5W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Oppo A6x 4G and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Oppo A6x 4G by 89.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A6x 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (99/100 vs 34/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G (92/100 vs 53/100).
portability
In the "portability" category, the Oppo A6x 4G is a bit better (47/100 vs 35/100).
Frequently asked questions
Which is better: the Oppo A6x 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Oppo A6x 4G by 54 points (89/100 vs 35/100).
What is the rating of the Oppo A6x 4G and the Vivo iQOO 15 Ultra?
The Oppo A6x 4G has a MobileRank rating of 35/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Oppo A6x 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Oppo A6x 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 34/100).
Should you choose the Oppo A6x 4G 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.