Oppo A3x vs Vivo iQOO 15
The Oppo A3x (2024) runs on the MediaTek Dimensity 6300, 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 39/100 (a 47-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5100); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 528,398); the Oppo A3x is noticeably lighter (186g vs 215g).
Profile comparison
Category scores
Oppo A3x
Vivo iQOO 15
What makes Oppo A3x better?
- Lighter: 186g vs 215g
- Better portability (71/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 528398
- Better Geekbench Single: 3013 vs 771
- Better Geekbench Multi: 9287 vs 1980
- Bigger battery: 7000 vs 5100 mAh
- Faster charging: 100W vs 45W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 43/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 51/100)
- Better display (99/100 vs 55/100)
Comparison verdict
Comparing the Oppo A3x vs the Vivo iQOO 15, the Vivo iQOO 15 scores 47 points higher (86/100 vs 39/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 43/100). 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 (94/100 vs 43/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x (85/100 vs 51/100). In the "portability" category, the Oppo A3x notably outperforms the Vivo iQOO 15 (71/100 vs 48/100).
Specs comparison
| Specification | Oppo A3x | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 528398 | 3758268 | |
| Geekbench Single | 771 | 3013 | |
| Geekbench Multi | 1980 | 9287 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1604 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5100 mAh | 7000 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | 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 |
Camera comparison
Oppo A3x
- Main: 13MP f/2.2
- Front: 8MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo A3x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A3x
- 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
Overall performance score
We compared Oppo A3x and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Oppo A3x by 85.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A3x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x (94/100 vs 43/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A3x (85/100 vs 51/100).
portability
In the "portability" category, the Oppo A3x notably outperforms the Vivo iQOO 15 (71/100 vs 48/100).
Frequently asked questions
Which is better: the Oppo A3x or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Oppo A3x by 47 points (86/100 vs 39/100).
What is the rating of the Oppo A3x and the Vivo iQOO 15?
The Oppo A3x has a MobileRank rating of 39/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Oppo A3x 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 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 43/100).
Should you choose the Oppo A3x over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.