OnePlus 15 vs Oppo A3x
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Oppo A3x (2024) runs on the MediaTek Dimensity 6300. By overall MobileRank rating, the OnePlus 15 leads — 85/100 vs 39/100 (a 46-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5100); the main camera is 50 MP vs 13 MP; the OnePlus 15 is faster in AnTuTu (3,621,671 vs 524,785); the Oppo A3x is noticeably lighter (186g vs 213g).
OnePlus 15
Oppo A3x
- Higher AnTuTu: 3621671 vs 524785
- Better Geekbench Single: 3041 vs 771
- Better Geekbench Multi: 9494 vs 1980
- Bigger battery: 6500 vs 5100 mAh
- Faster charging: 120W vs 45W
- Better main camera: 50MP vs 13MP
- Higher performance (94/100 vs 43/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (89/100 vs 51/100)
- Better display (84/100 vs 55/100)
- Lighter: 186g vs 213g
- Better portability (71/100 vs 50/100)
Comparing the OnePlus 15 vs the Oppo A3x, the OnePlus 15 scores 46 points higher (85/100 vs 39/100). In the "performance" category, the OnePlus 15 leads (94/100 vs 43/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 10/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 51/100). In the "performance" category, the OnePlus 15 significantly outperforms the Oppo A3x (94/100 vs 43/100). In the "display" category, the OnePlus 15 notably outperforms the Oppo A3x (84/100 vs 55/100). In the "camera" category, the OnePlus 15 significantly outperforms the Oppo A3x (78/100 vs 10/100). In the "battery" category, the OnePlus 15 significantly outperforms the Oppo A3x (89/100 vs 51/100). In the "portability" category, the Oppo A3x notably outperforms the OnePlus 15 (71/100 vs 50/100).
| Specification | OnePlus 15 | Oppo A3x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 6300 | |
| AnTuTu | 3621671 | 524785 | |
| Geekbench Single | 3041 | 771 | |
| Geekbench Multi | 9494 | 1980 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 1272x2772 | 720x1604 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 5100 mAh | |
| Charging | 120W | 45W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 14, ColorOS 14 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP54 | |
| Dimensions | 161.4×76.7×8.1 mm | 165.8×76.1×7.7 mm | |
| Weight | 213 g | 186 g | |
| Launch price | $799 | — |
OnePlus 15
- Main: 50MP
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Oppo A3x
- Main: 13MP f/f/2.2
- Front: 8MP
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Oppo A3x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Oppo A3x
- 5100 mAh
- Wired: 45W
- No wireless charging
We compared OnePlus 15 and Oppo A3x, covering their specs and all relevant benchmarks.
OnePlus 15 leads Oppo A3x by 590.1% in our overall performance rating.
Oppo A3x
Price unknownperformance
In the "performance" category, the OnePlus 15 significantly outperforms the Oppo A3x (94/100 vs 43/100).
display
In the "display" category, the OnePlus 15 notably outperforms the Oppo A3x (84/100 vs 55/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Oppo A3x (78/100 vs 10/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Oppo A3x (89/100 vs 51/100).
portability
In the "portability" category, the Oppo A3x notably outperforms the OnePlus 15 (71/100 vs 50/100).
Which is better: the OnePlus 15 or the Oppo A3x?
The OnePlus 15 significantly outperforms the Oppo A3x by 46 points (85/100 vs 39/100).
What is the rating of the OnePlus 15 and the Oppo A3x?
The OnePlus 15 has a MobileRank rating of 85/100, the Oppo A3x — 39/100.
Which has the better camera: the OnePlus 15 or the Oppo A3x?
The OnePlus 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the OnePlus 15 or the Oppo A3x?
The OnePlus 15 leads on performance (94/100 vs 43/100).
Should you choose the OnePlus 15 over the Oppo A3x?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Oppo A3x is a better fit for everyday use.