Oppo A18 vs Vivo iQOO 15 Ultra
The Oppo A18 (2023) runs on the MediaTek Helio G85, 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 — 89/100 vs 34/100 (a 55-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 8 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 348,562); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Oppo A18 doesn't; the Oppo A18 is noticeably lighter (188g vs 227g).
Profile comparison
Category scores
Oppo A18
Vivo iQOO 15 Ultra
What makes Oppo A18 better?
- Lighter: 188g vs 227g
- Better portability (64/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 348562
- Better Geekbench Single: 3639 vs 419
- Better Geekbench Multi: 11047 vs 1461
- Bigger battery: 7400 vs 5000 mAh
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (99/100 vs 29/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 66/100)
- Better display (99/100 vs 44/100)
Comparison verdict
Comparing the Oppo A18 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 55 points higher (89/100 vs 34/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 29/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 66/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A18 (99/100 vs 29/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A18 (99/100 vs 44/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A18 (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Oppo A18 (92/100 vs 66/100). In the "portability" category, the Oppo A18 notably outperforms the Vivo iQOO 15 Ultra (64/100 vs 35/100).
Specs comparison
| Specification | Oppo A18 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G85 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 348562 | 4602290 | |
| Geekbench Single | 419 | 3639 | |
| Geekbench Multi | 1461 | 11047 | |
| Display | 6.6" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1612 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | — | 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 | 12GB / 16GB / 24GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 13, upgradable to Android 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 720 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 163.7×75.0×8.2 mm | 163.7×76.8×8.7 mm | |
| Weight | 188 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Oppo A18
- Main: 8MP f/2.0
- Front: 5MP
Vivo iQOO 15 Ultra
- 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 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A18
- 5000 mAh
- Wireless charging: no data
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Oppo A18 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Oppo A18 by 92.4% 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 Ultra significantly outperforms the Oppo A18 (99/100 vs 29/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A18 (99/100 vs 44/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A18 (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Oppo A18 (92/100 vs 66/100).
portability
In the "portability" category, the Oppo A18 notably outperforms the Vivo iQOO 15 Ultra (64/100 vs 35/100).
Frequently asked questions
Which is better: the Oppo A18 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Oppo A18 by 55 points (89/100 vs 34/100).
What is the rating of the Oppo A18 and the Vivo iQOO 15 Ultra?
The Oppo A18 has a MobileRank rating of 34/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Oppo A18 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Oppo A18 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 29/100).
Should you choose the Oppo A18 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.