iPhone 15 Pro to iPhone 18 Pro: Is It Worth Upgrading?
A plain-English look at what actually changes, 3 years apart.
Yes — the iPhone 18 Pro is a worthwhile upgrade
The iPhone 18 Pro is 3 years newer than the iPhone 15 Pro, and the BeastScore rises from 76.0 to 88.5. The biggest improvements: performance rated 15 points higher, camera rated 7 points higher, battery rated 22 points higher. Trade-offs to know: 24 g heavier, launched $300 more expensive.
What you gain with the iPhone 18 Pro
- Performance rated 15 points higher
- Camera rated 7 points higher
- Battery rated 22 points higher
- Display rated 4 points higher
- Newer Apple A20 Pro (2 nm) chipset (replaces Apple A17 Pro)
- 1,014 mAh bigger battery
- 18W faster wired charging
- 10W faster wireless charging
- 0.2" larger screen
- 1,000 nits brighter peak display
- Longer optical zoom (+1x)
- 4 GB more RAM
What you give up
- 24 g heavier
- Launched $300 more expensive
Head-to-head
| Spec | iPhone 15 Pro | iPhone 18 Pro | Change |
|---|---|---|---|
| BeastScore (overall) | 76.0 | 88.5 | +12.5 (16%) |
| Performance score | 80 | 95 | +15 (19%) |
| Camera score | 85 | 92 | +7 (8%) |
| Battery score | 58 | 80 | +22 (38%) |
| Display score | 88 | 92 | +4 (5%) |
| Chipset | Apple A17 Pro | Apple A20 Pro (2 nm) | New generation chip |
| Battery capacity | 3,274 mAh | 4,288 mAh | +1,014 mAh (31%) |
| Wired charging | 27W | 45W | +18W (67%) |
| Wireless charging | 15W | 25W | +10W (67%) |
| Screen size | 6.1" | 6.3" | +0.2" (3%) |
| Refresh rate | 120Hz | 120Hz | No real change |
| Peak brightness | 2,000 nits | 3,000 nits | +1,000 nits (50%) |
| Main camera | 48 MP | 48 MP | No real change |
| Optical zoom | 3x | 4x | +1x (33%) |
| RAM | 8 GB | 12 GB | +4 GB (50%) |
| Weight | 187 g | 211 g | +24 g (13%) |
| Launch price | $999 | $1,299 | +$300 (30%) |
Upgrade if…
- You regularly run out of battery before the end of the day
- You shoot a lot of zoom and telephoto photos
- You play demanding games or want the newest on-device AI features
- You use your phone outdoors a lot and want a brighter, smoother screen
- Your iPhone 15 Pro is 3+ years old and its battery has worn down
iPhone 15 Pro to iPhone 18 Pro: Common Questions
Is it worth upgrading from the iPhone 15 Pro to the iPhone 18 Pro?
Yes — the iPhone 18 Pro is a worthwhile upgrade. The iPhone 18 Pro is 3 years newer than the iPhone 15 Pro, and the BeastScore rises from 76.0 to 88.5. The biggest improvements: performance rated 15 points higher, camera rated 7 points higher, battery rated 22 points higher. Trade-offs to know: 24 g heavier, launched $300 more expensive.
What is the biggest difference between the iPhone 15 Pro and iPhone 18 Pro?
Performance rated 15 points higher: 80 on the iPhone 15 Pro vs 95 on the iPhone 18 Pro.
Does the iPhone 18 Pro have a bigger battery than the iPhone 15 Pro?
The iPhone 18 Pro has a 4,288 mAh battery versus 3,274 mAh on the iPhone 15 Pro (+1,014 mAh (31%)).
Who should upgrade to the iPhone 18 Pro?
Upgrade if: You regularly run out of battery before the end of the day; You shoot a lot of zoom and telephoto photos; You play demanding games or want the newest on-device AI features; You use your phone outdoors a lot and want a brighter, smoother screen; Your iPhone 15 Pro is 3+ years old and its battery has worn down.

