Should You Upgrade from the iPhone 13 to the iPhone 15?
A spec-by-spec look at what actually changes when you move from the iPhone 13 to the iPhone 15, 2 years apart.
Yes — the iPhone 15 is a worthwhile upgrade
The iPhone 15 is 2 years newer than the iPhone 13, and the BeastScore rises from 64.8 to 69.7. The biggest improvements: performance rated 8 points higher, camera rated 10 points higher, 109 mah bigger battery.
What you gain with the iPhone 15
- +Performance rated 8 points higher
- +Camera rated 10 points higher
- +109 mAh bigger battery
- +1,200 nits brighter peak display
- +Higher-resolution main camera (+36 MP)
- +2 GB more RAM
| Spec | iPhone 13 | iPhone 15 | Change |
|---|---|---|---|
| BeastScore (overall) | 64.8 | 69.7 | +4.9 (8%) |
| Performance score | 64 | 72 | +8 (13%) |
| Camera score | 72 | 82 | +10 (14%) |
| Battery score | 58 | 58 | No real change |
| Display score | 62 | 64 | No real change |
| Battery capacity | 3,240 mAh | 3,349 mAh | +109 mAh (3%) |
| Wired charging | 20W | 20W | No real change |
| Wireless charging | 15W | 15W | No real change |
| Screen size | 6.1" | 6.1" | No real change |
| Refresh rate | 60Hz | 60Hz | No real change |
| Peak brightness | 800 nits | 2,000 nits | +1,200 nits (150%) |
| Main camera | 12 MP | 48 MP | +36 MP (300%) |
| RAM | 4 GB | 6 GB | +2 GB (50%) |
| Weight | 174 g | 171 g | No real change |
| Launch price | $799 | $799 | 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
- You use your phone outdoors a lot and want a brighter, smoother screen
iPhone 13 vs iPhone 15: Upgrade FAQ
Is it worth upgrading from the iPhone 13 to the iPhone 15?
Yes — the iPhone 15 is a worthwhile upgrade. The iPhone 15 is 2 years newer than the iPhone 13, and the BeastScore rises from 64.8 to 69.7. The biggest improvements: performance rated 8 points higher, camera rated 10 points higher, 109 mah bigger battery.
What is the biggest difference between the iPhone 13 and iPhone 15?
Performance rated 8 points higher: 64 on the iPhone 13 vs 72 on the iPhone 15.
Does the iPhone 15 have a bigger battery than the iPhone 13?
The iPhone 15 has a 3,349 mAh battery versus 3,240 mAh on the iPhone 13 (+109 mAh (3%)).
Who should upgrade to the iPhone 15?
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; You use your phone outdoors a lot and want a brighter, smoother screen.

