iPhone 14 vs iPhone 15: Is the Upgrade Worth It?
Upgrade or hold on? That’s the question behind this matchup, because the iPhone 15 directly follows the iPhone 14. Scoring each area separately, the iPhone 15 comes out on top 3 times out of 5. Its lead is sharpest in display.
At a glance
- Display iPhone 15 wins
- Performance iPhone 15 wins
- Memory & Storage Tie
- Camera iPhone 15 wins
- Battery & Charging Tie
- Price Tie
- Display2.1
- Memory & Storage1.8
- Camera0.9
- Battery & Charging1.9
- Display2.6
- Memory & Storage1.8
- Camera1.7
- Battery & Charging1.9
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
-
The iPhone 15 has a higher-resolution 48 MP main camera
On main camera, the iPhone 15 posts 48 MP against 12 MP for the iPhone 14, a gap big enough to feel in everyday use. Megapixels are only one part of image quality, so treat this as a sign of detail potential, not a verdict on photos.
-
The iPhone 15 has 67% higher peak brightness
This is one of the widest gaps in the whole comparison: 2,000 nits for the iPhone 15 versus 1,200 nits for the iPhone 14. Peak figures are usually reached only in short bursts or small areas of the screen, but a higher ceiling still helps outdoor visibility.
-
The iPhone 15 has a newer 4 nm chip process
A narrow win for the iPhone 15. With 4 nm to 5 nm, it’s the kind of difference that adds up rather than stands out. The iPhone 15’s chip is built on a more advanced process. That usually points to efficiency gains, though chip design matters just as much.
Design & Size
- iPhone 14 5.78 in × 2.81 in × 0.31 in
- iPhone 15 5.81 in × 2.82 in × 0.31 in
Both come in at nearly the same overall dimensions, so pick on other grounds. The iPhone 14 is neither lighter nor heavier than the iPhone 15 in any way that counts.
Design & Build
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Height | 5.78 in | 5.81 in |
| Width | 2.81 in | 2.82 in |
| Thickness | 0.31 in | 0.31 in |
| Weight | 6.07 oz | 6.03 oz |
| Water & dust rating | IP68 | IP68 |
| Frame | Aluminum | Aluminum |
Display
iPhone 15 leads
The iPhone 14 is outclassed on display; the iPhone 15 leads by a clear margin. Choose the iPhone 15 and you get 67% higher peak brightness. Peak brightness decides how readable the screen stays in direct sunlight and how punchy HDR content looks. The display verdict goes to the iPhone 15.
Peak brightness
iPhone 14: 1,200 nits iPhone 15: 2,000 nits If you use your phone outdoors a lot, the iPhone 15’s brighter panel is the one that holds up better at midday.
Performance
iPhone 15 leads
It’s a narrow one, but the performance round goes to the iPhone 15. The iPhone 15 has the edge with a newer 4 nm chip process. Process numbers are partly marketing labels these days, so read this as a hint about efficiency rather than a verdict. If performance is your priority, the iPhone 15 is the phone to pick.
Process node
iPhone 14: 5 nm iPhone 15: 4 nm A finer process node generally lets a chip do the same work with less power, which can mean cooler running and better battery life.
Memory & Storage
Too close to call
This is a tie in all but name. On memory & storage, both deliver about the same. The takeaway: memory & storage is not where these two differ.
Camera
iPhone 15 leads
This is one of the iPhone 15’s strongest areas. On camera, the iPhone 14 falls well short. On its side, the iPhone 15 has a higher-resolution 48 MP main camera. The iPhone 15’s higher-resolution main sensor gives you more room to crop, which helps when you can’t get closer. In short, the iPhone 15 is the better-equipped phone for camera.
Main camera
iPhone 14: 12 MP iPhone 15: 48 MP More megapixels on the main camera allow bigger crops and more detail in good light, but sensor size and processing matter just as much.
Battery & Charging
Too close to call
Neither pulls ahead on battery & charging; the numbers are close throughout. This section won’t settle the choice, so weigh the other areas more heavily.
Software & Updates
There isn’t a number to compare on software & updates, just names. Look at the rows below to see how the iPhone 14 and the iPhone 15 differ.
Full Specifications
Display
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Screen size | 6.1 in | 6.1 in |
| Panel type | OLED (Super Retina XDR) | OLED (Super Retina XDR) |
| Resolution | 2532 x 1170 | 2556 x 1179 |
| Pixel density | 460 ppi | 460 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 1,200 nits | 2,000 nits (winner) |
| Always-on display | No | No |
Performance
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Chipset | A15 Bionic | A16 Bionic |
| CPU cores | 6 | 6 |
| Process node | 5 nm | 4 nm (winner) |
Memory & Storage
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Base storage | 128 GB | 128 GB |
| Max storage | 512 GB | 512 GB |
| microSD slot | No | No |
Camera
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Main camera | 12 MP | 48 MP (winner) |
| Ultra-wide camera | 12 MP | 12 MP |
| Rear cameras | 2 | 2 |
| Front camera | 12 MP | 12 MP |
| Max video | 4K60 Dolby Vision | 4K60 Dolby Vision |
Battery & Charging
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Rated video playbackManufacturer rating | 20 h | 20 h |
| Wireless charging | 15 W | 15 W |
| Port | Lightning | USB-C (USB 2) |
Software & Updates
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| OS at launch | iOS 16 | iOS 17 |
Design & Build
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Height | 5.78 in | 5.81 in |
| Width | 2.81 in | 2.82 in |
| Thickness | 0.31 in | 0.31 in |
| Weight | 6.07 oz | 6.03 oz |
| Water & dust rating | IP68 | IP68 |
| Frame | Aluminum | Aluminum |
Price
| Spec | iPhone 14 | iPhone 15 |
|---|---|---|
| Launch price | $799 | $799 |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Price & Value
Neither is cheaper at launch; the iPhone 14 and the iPhone 15 share the same price.
All prices are official US launch prices, last checked September 2023. Actual prices at stores may differ.
Which One Should You Buy?
Choose the iPhone 14 if…
- you’d rather not pay for improvements you won’t use
Choose the iPhone 15 if…
- you like to crop into your photos (48 MP vs 12 MP main camera)
- you use your phone outdoors a lot (2,000 nits vs 1,200 nits peak brightness)
- you care about efficiency under the hood (4 nm vs 5 nm process node)
- you find that the improvements in the iPhone 15 match what you need
Also Compared
Frequently Asked Questions
Should I buy the iPhone 14 or the iPhone 15?
For most people, the iPhone 15 is the stronger choice, unless you already have the iPhone 14 and it works fine.
Should I upgrade from the iPhone 14 to the iPhone 15?
The iPhone 15 makes a solid case for upgrading, with a higher-resolution 48 MP main camera, 67% higher peak brightness and a newer 4 nm chip process over the iPhone 14.
Does the iPhone 14 last longer on a charge than the iPhone 15?
The official battery figures don’t separate them; the iPhone 14 and the iPhone 15 land in almost the same place.
Which is larger, the iPhone 14 or the iPhone 15?
They’re practically the same size. The difference between the iPhone 14 and the iPhone 15 is too small to matter.
Which is faster, the iPhone 14 or the iPhone 15?
Going by the specs, the iPhone 15 comes out ahead: it offers a newer 4 nm chip process.
Does the iPhone 14 have a stronger camera setup than the iPhone 15?
On paper, the iPhone 15 has the stronger camera setup, with a higher-resolution 48 MP main camera.
Executive Summary
Is the iPhone 15 worth it over the iPhone 14? In my view, that depends less on hype than on a few specific numbers. The single spec I’d point a friend to is this: the iPhone 15 has a higher-resolution 48 MP main camera. Then there’s 67% higher peak brightness, another point for the iPhone 15.
Fit matters more than scores here. The iPhone 14 suits buyers focused on the things a spec sheet can’t capture; the iPhone 15 suits those focused on display.
My pick: the iPhone 15 for new buyers, while happy owners of the iPhone 14 can safely wait.
Personal opinion based on the data above. Your priorities may differ.