iPhone 15 vs iPhone 16 – which one should you choose?
To choose between iPhone 15 and iPhone 16 can feel difficult. The models are very similar on the surface, but beneath the surface there are some important differences that can determine which one is best for you. Here we go over what actually sets them apart, so you can easily decide whether it's worth upgrading to the iPhone 16 or whether a used iPhone 15 will do the trick.
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Design and screen
Both the iPhone 15 and iPhone 16 have a 6,1-inch Super Retina XDR OLED display with the same sharp resolution (1179 × 2556 pixels). The design is almost identical with a glass back, aluminum frame and similar weight (171 g vs. 170 g).
The difference: iPhone 16 has a new shortcut button and a handy camera slider that makes it easier to quickly launch the camera or other functions.
Cameras
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iPhone 15: 48 MP main camera + 12 MP ultra-wide angle
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iPhone 16: 48 MP main camera + improved 12 MP ultra-wide angle with macro mode
The difference: iPhone 16 delivers sharper close-ups and better detail, especially in macro photography and low light.
Performance and memory
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iPhone 15: 6 GB RAM, A16 Bionic chip
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iPhone 16: 8GB RAM, new A18 chip
The difference: The iPhone 16 is faster, more energy efficient, and handles heavy apps, games, and multitasking better. The extra memory also makes the model more future-proof – including support for upcoming AI features in iOS.
Battery and charging
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iPhone 15: up to approximately 20 hours of video playback
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iPhone 16: up to about 22 hours
Both support fast charging, MagSafe, and wireless charging with Qi2.
The difference: The iPhone 16 has a slightly larger battery and can handle longer operating times in everyday use.
Price and value
The iPhone 15 is generally cheaper, especially used. The iPhone 16 costs a little more but offers better performance, longer lifespan, and small but noticeable upgrades.
At reNewed you will find both iPhone 15 and iPhone 16 in carefully tested condition at a lower price than new.
Comparison iPhone 15 and iPhone 16 – specifications
| Trait | iPhone 15 | iPhone 16 |
|---|---|---|
| Release year | 2023 | 2024 |
| Screen | 6,1” Super Retina XDR OLED | 6,1” Super Retina XDR OLED |
| Processor | A16 Bionic | A18 |
| RAM | 6 GB | 8 GB |
| camera | 48 MP + 12 MP ultra-wide angle | 48 MP + improved 12 MP ultra-wide angle (macro) |
| Battery life | about 20 hours of video | about 22 hours of video |
| Weight | 171 g | 170 g |
Conclusion - iPhone 15 or iPhone 16?
The differences between the iPhone 15 and iPhone 16 are not large, but noticeable.
Select iPhone 16 if you want:
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Better camera with macro mode
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Faster chip and more RAM
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Longer battery life and future-proofing
Select iPhone 15 If you want to save money but still get a modern, powerful iPhone, a used iPhone 15 from reNewed offers a lot of performance for the money.
Frequently Asked Questions About iPhone 15 vs iPhone 16
Is there a big difference between the models?
Not really. They are very similar in design and function, but the iPhone 16 has a better camera, more memory, and slightly longer battery life.
Is the iPhone 16 worth the upgrade?
If you already have an iPhone 15, you don't need to upgrade. But if you're buying new (or used) and want the latest chip and more features, the iPhone 16 is a good choice.
Which model is the most affordable?
A used iPhone 15 gives you the most mobile for your money, while the iPhone 16 wins for those who want the latest and greatest.