Oppo A3x 4G vs Vivo iQOO 15 Ultra
The Oppo A3x 4G (2024) runs on the Qualcomm Snapdragon 6s Gen 1, 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 18/100 (a 66-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5100); the main camera is 8 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 320,666); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Oppo A3x 4G doesn't; the Oppo A3x 4G is noticeably lighter (186g vs 227g).
Oppo A3x 4G
Vivo iQOO 15 Ultra
- Lighter: 186g vs 227g
- Better design/ergonomics (67/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 320666
- Better Geekbench Single: 3640 vs 345
- Better Geekbench Multi: 11033 vs 1065
- Bigger battery: 7400 vs 5100 mAh
- Faster charging: 120W vs 45W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 0/100)
- Longer battery life (86/100 vs 45/100)
- Better display (100/100 vs 50/100)
Comparing the Oppo A3x 4G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 66 points higher (84/100 vs 18/100). 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 0/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 45/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (100/100 vs 50/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (74/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (86/100 vs 45/100). In the "design" category, the Oppo A3x 4G significantly outperforms the Vivo iQOO 15 Ultra (67/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Oppo A3x 4G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 1 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 320666 | 4602290 | |
| Geekbench Single | 345 | 3640 | |
| Geekbench Multi | 1065 | 11033 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1604 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5100 mAh | 7400 mAh | |
| Charging | 45W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 8 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 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 1000 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 165.8×76.1×7.7 mm | 163.7×76.8×8.7 mm | |
| Weight | 186 g | 227 g | |
| Price | — | $799 |
Oppo A3x 4G
- Main: 8MP f/f/2.0
- Front: 5MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Oppo A3x 4G
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 90 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Oppo A3x 4G
- 5100 mAh
- Wired: 45W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Oppo A3x 4G and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Oppo A3x 4G by 93.0% in our overall performance rating.
Oppo A3x 4G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (74/100 vs 0/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G (86/100 vs 45/100).
design
In the "design" category, the Oppo A3x 4G significantly outperforms the Vivo iQOO 15 Ultra (67/100 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 A3x 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Oppo A3x 4G by 66 points (84/100 vs 18/100).
What is the rating of the Oppo A3x 4G and the Vivo iQOO 15 Ultra?
The Oppo A3x 4G has a MobileRank rating of 18/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Oppo A3x 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 0/100).
Which is more powerful: the Oppo A3x 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Oppo A3x 4G over the Vivo iQOO 15 Ultra?
The Oppo A3x 4G 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.