Oppo A18 to A78: Is It Worth Upgrading?
A plain-English look at what actually changes.
Yes — the A78 is a worthwhile upgrade
The A78 is newer than the Oppo A18, and the BeastScore rises from 79.3 to 79.8. The biggest improvements: performance rated 10 points higher, camera rated 4 points higher, newer dimensity 700 chipset (replaces mt6769 helio g85). Trade-offs to know: display rated 10 points lower, lower refresh rate (−30hz).
What you gain with the A78
- Performance rated 10 points higher
- Camera rated 4 points higher
- Newer Dimensity 700 chipset (replaces MT6769 Helio G85)
- 23W faster wired charging
- 4 GB more RAM
What you give up
- Display rated 10 points lower
- Lower refresh rate (−30Hz)
Head-to-head
| Spec | Oppo A18 | A78 | Change |
|---|---|---|---|
| BeastScore (overall) | 79.3 | 79.8 | No real change |
| Performance score | 70 | 80 | +10 (14%) |
| Camera score | 80 | 84 | +4 (5%) |
| Battery score | 86 | 86 | No real change |
| Display score | 84 | 74 | −10 (12%) |
| Chipset | MT6769 Helio G85 | Dimensity 700 | New generation chip |
| Battery capacity | 5,000 mAh | 5,000 mAh | No real change |
| Wired charging | 10W | 33W | +23W (230%) |
| Screen size | 6.6" | 6.6" | No real change |
| Refresh rate | 120Hz | 90Hz | −30Hz (25%) |
| RAM | 4 GB | 8 GB | +4 GB (100%) |
| Weight | 188 g | 188 g | No real change |
Upgrade if…
- You regularly run out of battery before the end of the day
- Photo quality is a priority for you
- You play demanding games or want the newest on-device AI features
Oppo A18 to A78: Common Questions
Is it worth upgrading from the Oppo A18 to the A78?
Yes — the A78 is a worthwhile upgrade. The A78 is newer than the Oppo A18, and the BeastScore rises from 79.3 to 79.8. The biggest improvements: performance rated 10 points higher, camera rated 4 points higher, newer dimensity 700 chipset (replaces mt6769 helio g85). Trade-offs to know: display rated 10 points lower, lower refresh rate (−30hz).
What is the biggest difference between the Oppo A18 and A78?
Performance rated 10 points higher: 70 on the Oppo A18 vs 80 on the A78.
Does the A78 have a bigger battery than the Oppo A18?
No — both have about the same battery capacity (5,000 mAh vs 5,000 mAh).
Who should upgrade to the A78?
Upgrade if: You regularly run out of battery before the end of the day; Photo quality is a priority for you; You play demanding games or want the newest on-device AI features.

