Oppo A18 vs Vivo iQOO 15
The Oppo A18 (2023) runs on the MediaTek Helio G85, 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 34/100 (a 52-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the main camera is 8 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 348,562); the Vivo iQOO 15 has NFC for contactless payments, the Oppo A18 doesn't; the Oppo A18 is noticeably lighter (188g vs 215g).
Profile comparison
Category scores
Oppo A18
Vivo iQOO 15
What makes Oppo A18 better?
- Lighter: 188g vs 215g
- Better portability (64/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 348562
- Better Geekbench Single: 3013 vs 419
- Better Geekbench Multi: 9287 vs 1461
- Bigger battery: 7000 vs 5000 mAh
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (94/100 vs 29/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 66/100)
- Better display (99/100 vs 44/100)
Comparison verdict
Comparing the Oppo A18 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 52 points higher (86/100 vs 34/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 29/100). 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 66/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A18 (94/100 vs 29/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A18 (99/100 vs 44/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A18 (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Oppo A18 (85/100 vs 66/100). In the "portability" category, the Oppo A18 notably outperforms the Vivo iQOO 15 (64/100 vs 48/100).
Specs comparison
| Specification | Oppo A18 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | MediaTek Helio G85 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 348562 | 3758268 | |
| Geekbench Single | 419 | 3013 | |
| Geekbench Multi | 1461 | 9287 | |
| Display | 6.6" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1612 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | — | 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 | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 13, upgradable to Android 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 720 nits | 6000 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 163.7×75.0×8.2 mm | 163.7×76.8×8.1 mm | |
| Weight | 188 g | 215 g | |
| Launch price | — | $599 |
Camera comparison
Oppo A18
- Main: 8MP f/2.0
- Front: 5MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo A18
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A18
- 5000 mAh
- Wireless charging: no data
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 A18 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Oppo A18 by 90.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A18
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A18 (94/100 vs 29/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A18 (99/100 vs 44/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A18 (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Oppo A18 (85/100 vs 66/100).
portability
In the "portability" category, the Oppo A18 notably outperforms the Vivo iQOO 15 (64/100 vs 48/100).
Frequently asked questions
Which is better: the Oppo A18 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Oppo A18 by 52 points (86/100 vs 34/100).
What is the rating of the Oppo A18 and the Vivo iQOO 15?
The Oppo A18 has a MobileRank rating of 34/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Oppo A18 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the Oppo A18 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 29/100).
Should you choose the Oppo A18 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.