Oppo A3x 4G vs Vivo iQOO 15
The Oppo A3x 4G (2024) runs on the Qualcomm Snapdragon 6s Gen 1, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 30/100 (a 56-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5100); the main camera is 8 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 320,666); the Vivo iQOO 15 has NFC for contactless payments, the Oppo A3x 4G doesn't; the Oppo A3x 4G is noticeably lighter (186g vs 215g).
Oppo A3x 4G
Vivo iQOO 15
- Lighter: 186g vs 215g
- Better portability (71/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 320666
- Better Geekbench Single: 3041 vs 345
- Better Geekbench Multi: 9494 vs 1065
- Bigger battery: 7000 vs 5100 mAh
- Faster charging: 100W vs 45W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (94/100 vs 24/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 51/100)
- Better display (99/100 vs 43/100)
Comparing the Oppo A3x 4G vs the Vivo iQOO 15, the Vivo iQOO 15 scores 56 points higher (86/100 vs 30/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 24/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (94/100 vs 24/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (99/100 vs 43/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (85/100 vs 51/100). In the "portability" category, the Oppo A3x 4G notably outperforms the Vivo iQOO 15 (71/100 vs 48/100).
| Specification | Oppo A3x 4G | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 320666 | 3740528 | |
| Geekbench Single | 345 | 3041 | |
| Geekbench Multi | 1065 | 9494 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1604 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5100 mAh | 7000 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 0W | 40W | |
| 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 | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 1000 nits | 6000 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 165.8×76.1×7.7 mm | 163.7×76.8×8.1 mm | |
| Weight | 186 g | 215 g | |
| Launch price | — | $599 |
Oppo A3x 4G
- Main: 8MP f/f/2.0
- Front: 5MP
Vivo iQOO 15
- 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
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Oppo A3x 4G
- 5100 mAh
- Wired: 45W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
We compared Oppo A3x 4G and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Oppo A3x 4G by 91.4% in our overall performance rating.
Oppo A3x 4G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (94/100 vs 24/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (99/100 vs 43/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x 4G (85/100 vs 51/100).
portability
In the "portability" category, the Oppo A3x 4G notably outperforms the Vivo iQOO 15 (71/100 vs 48/100).
Which is better: the Oppo A3x 4G or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Oppo A3x 4G by 56 points (86/100 vs 30/100).
What is the rating of the Oppo A3x 4G and the Vivo iQOO 15?
The Oppo A3x 4G has a MobileRank rating of 30/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Oppo A3x 4G or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the Oppo A3x 4G or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 24/100).
Should you choose the Oppo A3x 4G over the Vivo iQOO 15?
The Oppo A3x 4G is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.