Should You Upgrade from the iPhone 15 Pro to the Apple iPhone 18 Pro?
A spec-by-spec look at what actually changes when you move from the iPhone 15 Pro to the Apple iPhone 18 Pro, 3 years apart.
Yes — the Apple iPhone 18 Pro is a worthwhile upgrade
The Apple iPhone 18 Pro is 3 years newer than the iPhone 15 Pro, and the BeastScore rises from 76.0 to 89.0. The biggest improvements: 782 mah bigger battery, 0.2" larger screen, higher-resolution main camera (+2 mp).
What you gain with the Apple iPhone 18 Pro
- +782 mAh bigger battery
- +0.2" larger screen
- +Higher-resolution main camera (+2 MP)
- +4 GB more RAM
| Spec | iPhone 15 Pro | Apple iPhone 18 Pro | Change |
|---|---|---|---|
| BeastScore (overall) | 76.0 | 89.0 | +13.0 (17%) |
| Battery capacity | 3,274 mAh | 4,056 mAh | +782 mAh (24%) |
| Screen size | 6.1" | 6.3" | +0.2" (3%) |
| Refresh rate | 120Hz | 120Hz | No real change |
| Main camera | 48 MP | 50 MP | +2 MP (4%) |
| RAM | 8 GB | 12 GB | +4 GB (50%) |
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
- Your iPhone 15 Pro is 3+ years old and its battery has worn down
iPhone 15 Pro vs Apple iPhone 18 Pro: Upgrade FAQ
Is it worth upgrading from the iPhone 15 Pro to the Apple iPhone 18 Pro?
Yes — the Apple iPhone 18 Pro is a worthwhile upgrade. The Apple iPhone 18 Pro is 3 years newer than the iPhone 15 Pro, and the BeastScore rises from 76.0 to 89.0. The biggest improvements: 782 mah bigger battery, 0.2" larger screen, higher-resolution main camera (+2 mp).
What is the biggest difference between the iPhone 15 Pro and Apple iPhone 18 Pro?
782 mAh bigger battery: 3,274 mAh on the iPhone 15 Pro vs 4,056 mAh on the Apple iPhone 18 Pro.
Does the Apple iPhone 18 Pro have a bigger battery than the iPhone 15 Pro?
The Apple iPhone 18 Pro has a 4,056 mAh battery versus 3,274 mAh on the iPhone 15 Pro (+782 mAh (24%)).
Who should upgrade to the Apple iPhone 18 Pro?
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; Your iPhone 15 Pro is 3+ years old and its battery has worn down.