Difference Between iPhone 14 and 15: Full Specs, Features, and Upgrade Guide

September 23, 2025
Published on  Updated on  

Apple's entire line of iPhones is too good to pass up, given their high-end features, advanced design, and unparalleled performance. However, that doesn't mean you should avoid upgrading your old iPhone when the next-generation models are released.

Although the iPhone 15 was released some time ago, upgrading from the iPhone 14 is now a sensible decision. With several improvements introduced in iPhone 15, it is elementary to get your iPhone 14 now upgraded for smoother, faster performance, enhanced camera features, better battery life, and strengthened security.

If you're confused about whether to upgrade to the iPhone 14 or iPhone 15, you have landed on the right page. This blog is a comprehensive comparative guide on the differences between the iPhone 14 and 15, focusing on their specs, features, and performance.

From every feature comparison to design and display differences, Bionic chips to camera enhancements and battery performance, we have scrutinised and discussed here every aspect of both the iPhone biggies to make the decision of upgrading easier for you. Take a read!

Side-by-Side Comparison of iPhone 14 and 15 Specs: At a Glance

There are notable differences in specifications or specs between two consecutive iPhone variants. However, it's hard to decipher for anyone who is not tech-savvy or is not aware of gadgets.

Not to worry! We have come up with this list of differences between the Apple iPhone 14 and 15 with respect to their specifications. Additionally, individuals looking to upgrade their iPhone 13 or an earlier model can use this information to decide between the iPhone 14 and 15.

Specs & Features of iPhone 14 vs. iPhone 15

Specs 

iPhone 14 

iPhone 15 

Display 

Super Retina XDR display1 

6.1-inch (diagonal) all-screen OLED display1 

Super Retina XDR display1 

6.1-inch (diagonal) all-screen OLED display1 

Dynamic Island 

Camera  

Dual-camera system 

12MP Main Ultra Wide 

Dual-camera system 

48MP Main Ultra Wide, 

Super-high-resolution photos (24MP and 48MP) 

Connector 

Lightning Supports USB 2 

USB-C Supports USB 2 

Charging  

MagSafe wireless charging up to 15W with 20W adapter or higher 

MagSafe wireless charging up to 15W with 20W adapter or higher 

Memory and Storage Capacity 

6GB RAM 

128GB/256GB/ 512GB 

8GB RAM 

128GB/256GB/ 512GB 

Size and Weight 

Height - 146.7mm, Width - 71.5mm, Depth - 7.80mm/ Weight - 172g 

Height - 147.6mm, Width - 71.6mm, Depth - 7.80mm/ Weight - 171g 

Resistance 

Splash, Water and Dust Resistant 

(Rated IP68 under IEC standard 60529)  

Splash, Water and Dust Resistant 

(Rated IP68 under IEC standard 60529) 

Battery Life  

Up to 20 hours of video playback  

Up to 20 hours of video playback  

Chip 

A15 Bionic chip 

A16 Bionic chip 

Wireless 

5G (sub-6 GHz) with 4x4 MIMO 

Wi-Fi 6 

Bluetooth 5.3 

5G (sub-6 GHz) with 4x4 MIMO 

WiFi 6

Bluetooth 5.3 

SIM Card 

Dual SIM (nano-SIM and eSIM)18 

Dual eSIM support18 

Dual SIM (nano-SIM and eSIM)18 

Dual eSIM support 

 

While there might seem to be a faint difference between iPhone 14 and iPhone 15 at first glance, there are several key distinctions that set them apart.

One of the most significant upgrades in iPhone 15 is the introduction of the Dynamic Island, a feature previously only available on Pro models. It replaces the notch at the top of the screen for a more interactive experience.

The switch from the Lightning port to a USB-C charging port is also a notable change in iPhone 15. It makes the device more compatible with other devices.

The camera of iPhone 15 sees a major boost as it now features a 48MP main sensor (up from 12MP). Needless to say, it allows for more detailed photos and better zoom quality, which enhances the photography experience for users. Other vital changes include a slightly brighter display and new pastel color options for the phone's body.

In terms of performance, the iPhone 15 is powered by the A16 Bionic chip, which is the same chip used in the iPhone 14 Pro models. It means iPhone 15 offers a better speed and power efficiency with the A16 Bionic chip than the A15 chip in the iPhone 14.

Overall, the iPhone 15 isn't a complete redesign. However, it brings enough improvements over the iPhone 14 in display, camera, and performance that make upgrading to the iPhone 15 a worthwhile decision!

How does the iPhone 15 Design differ from the iPhone 14?

Making a direct iPhone 14 vs. iPhone 15 comparison of the designs is challenging. It is hard to tell the apparent differences by just looking at their shape.

Both have almost the same make and appeal, except that of Dynamic Island, which trickled down to the display notch of iPhone 15. Seen only in the earlier Pro models, it gives the new version a stylish look while making the display more finished.

You can do a lot more with the Dynamic Island, an interactive, fluid area in a pill shape at the top of the display. Replacing the traditional display, it allows users to engage with live activities such as music playback, alerts, and even timers in a dynamic form.

You can also expand the activity to get more details by touching and holding the dynamic activity panel and swiping it to the right or left. You can collapse the activity board at any time to make the Dynamic Island appear smaller.

Apart from this exceptional tweak, both devices feature a 6.1-inch display, with the new version offering slightly higher resolution. It also boasts a better screen-to-body ratio, i.e., around 86.4%, which is not immediately apparent at first glance until you examine both phones closely.

The good news is that Apple has introduced many colour variations for the iPhone 15 model. It is available in cool pastel shades in matte finish, such as Pink, Yellow, Green, Blue, and Black. On the other hand, iPhone 14 is available in vibrant, bolder colours like Red, Blue, Purple, Midnight, and Starlight, and Yellow in a shiny finish. Clearly, both models have starkly different aesthetic appeal.

Last but not least, the iPhone 15 features a slightly rounded chamfer edge, making the phone's handling sleeker and more comfortable.

In terms of build, materials, and protective coating, there is no difference between iPhone 14 and iPhone 15. Made of an aluminium frame, both the phones have their back and front sides safeguarded with Corning's protective glass.

Display Comparison between iPhone 14 and iPhone 15

Both devices have a 6.1-inch Super Retina XDR OLED display, which is a high-grade display. However, there is a serious distinction between the display panels of the two devices despite both being specialised for HDR10 and Dolby Vision. They have the brightness, colour displays, and contrasts to justify the specialisation.

Speaking about the display difference between iPhone 14 and 15, the latter has some significant upgrades in its screen, which make it relatively brighter. The new model has its screen's brightness adjusted to maximum when exposed to intense outdoor light.

The display of both models also differs in terms of resolution! The iPhone 15 features a higher resolution of 1179 x 2556 pixels, compared to the 1170 x 2532 pixels of the iPhone 14.

How does the A16 Bionic power the iPhone 15 over the iPhone 14?

When it comes to performance, iPhone 15 definitely has the upper hand due to its A16 Bionic upgrade. Bionic chip is the term for system-on-a-chip (SoC) processors in Apple phones, which power the performance of the devices.

Although the iPhone 14 features a high-end performance chip, the A15 Bionic, the new model's chip is based on a 4nm process rather than the 5nm process of the A15. It contributes to the overall responsiveness and higher iPhone 15 performance.

The CPU performance improvements in the new model offered by the A16 Bionic chip are not highly noticeable. However, users of the iPhone 14 can experience the ramifications of the new chip in speed and performance after upgrading to the iPhone 15.

Thus, thanks to the A16 Bionic chip, iPhone 15 models have faster responsiveness, better graphics processing, and more efficient performance than iPhone 14 devices. Although this is not a big iPhone 15 vs. 14 specs comparison, it has a significant impact on users. Newer models can handle processing-intensive applications smoothly while offering better graphics.

How does the iPhone 15's 48MP Lens Beat that of the iPhone 14?

The iPhone 15's notable camera upgrade leaves iPhone 14 and other older models far behind, making it a must-have for users without a second thought!

Anyone interested in mobile photography who has been using an iPhone 14 will likely notice the key differences in the newer model.

The camera features a new enhancement: a 48MP primary camera, a considerable upgrade over the 12MP of the iPhone 14. The other camera on the back of both phones is a 12MP ultra-wide, which helps capture a broader view of a landscape.

iPhone 15 main camera upgrades enable you to capture more detailed photos than the iPhone 14 models. Although the iPhone 15 lacks an optical zoom camera, its primary camera has an appropriate resolution. So, it easily pulls off high-quality photos and zoomed-in captures, much better than the iPhone 14.

The new model's 48MP camera captures photos that appear extra sharp with fine detailing and do not get pixelated after zooming in. The iPhone 15 camera also got an excellent lowlight performance and delivers an upgraded 24MP default photo that takes up less storage and offers better user experiences.

When it comes to professional or pro-level features, the iPhone 15 camera is again the winner. It features an advanced imaging pipeline and also a 2x zoom capability through its high-resolution sensor. The combination offers users better focus and depth controls, and lets them take high-quality photographic shots.

Also, both iPhones capture superior 4K HDR videos, but the improved camera gives the iPhone 15 an edge in this regard. It has better lowlight performance and faster video processing due to the upgraded chipset, which helps you capture more detailed and clean footage.

Key Battery and Charging Differences Between iPhone 14 and iPhone 15

Let's crack the key differences between the Apple iPhone 14 and 15 in terms of battery and charging, specifically comparing iPhone 14 vs. 15 with their USB-C vs. Lightning charge.

Apple rolled out the iPhone 15 with some minor battery enhancements over the older model. It replaces the lightning charging port with USB-C charging, and both are chargeable via a 20W adapter.

Both feature a built-in rechargeable lithium-ion battery that supports MagSafe wireless charging up to 15W, with the same battery life, i.e., video playback up to 20 hours. However, the charging speed is slightly faster for the iPhone 14 by a few minutes. Fully charging takes around 90 minutes for the iPhone 15, compared to more than 100 minutes for the iPhone 15.

iPhone 14's excellent, long-lasting battery life is there in the new model, but with a groundbreaking improvement. It is no longer using Apple's proprietary Lightning charger, which makes it a preferred choice for people who use or work with multiple devices simultaneously. It offers them the convenience of having a universal charging support.

Therefore, if you prefer the design or convenience of a USB-C charging port, upgrading to the iPhone 15 will be beneficial. Apart from that, there are hardly any notable charging and battery performance differences between the iPhone 14 and the iPhone 15.

Pros and Cons: Should You Pick the iPhone 14 or iPhone 15?

When choosing between the iPhone 14 and iPhone 15, the key factor is gauging and comparing the latest innovations. You need to set explicit assertions about the two devices based on value and reliability.

As a leading dealer of refurbished iPhone 15 devices, we’ve closely examined and outlined the key upgrades the iPhone 15 offers over the iPhone 14. If you're considering a more budget-friendly option, understanding what a refurbished phone is and if it’s the right choice for you can help you make a confident decision.

That said, the iPhone 14 remains a strong contender—especially for those seeking a more affordable device with a track record of solid performance.

However, the previous model remains a solid choice, especially for those who need an affordable device with a proven performance record.

Here, we are highlighting the pros and cons of both devices to help you make an informed decision and upgrade your current iPhone

iPhone 14

Pros:

  • Lower price compared to other newer models, and hence, budget-friendly
  • Reliable performance with the A15 Bionic chip and smoother tasks
  • Slightly faster charging to full compared to the iPhone 15
  • Has the familiar Lightning port that works with a 20W adapter
  • Quality build and sleek design
  • Supports emergency satellite communication

Cons:

  • Uses an older 12MP primary camera, which cannot match the detail or high-resolution photos of the iPhone 15's enhanced camera
  • Notch design is still present, which does not give the sleekness and convenience of the Dynamic Island feature of the iPhone 15
  • Display brightness is not as high and does not adjust with exposure to more light, which affects the screen's visibility in harsh sunlight
  • Slightly shorter battery life, and it is not very future-proof regarding software updates
  • Lower efficiency and overall performance compared to the newer A16 Bionic chip.

iPhone 15

Pros

  • New 48MP camera delivers much sharper photos with more detail and improved zoom options
  • Dynamic Island replaces the notch, which refreshes the design and user interface
  • Brighter display and adjustment in brightness offer superior visibility, especially outdoors
  • Longer battery life even after all-day usage
  • More efficient and faster A16 Bionic processor
  • Introduction of a USB-C port that allows for universal charging and accessory compatibility
  • More extended support for software updates, which boosts the device's longevity

Cons

  • Higher purchase price, which may not suit everyone's budget
  • Takes slightly more time to get charged to full, compared to the iPhone 14
  • Some improvements, such as battery and design, seem incremental rather than groundbreaking changes

iPhone 14 vs. iPhone 15: Which One is Right for You? 

When deciding between the iPhone 14 and the iPhone 15 to upgrade from an old device, it is vital that you weigh the key differences. Carefully scrutinise the new and old features to determine whether the upgrades are valuable for daily use.

That is how you can get a clear answer to: Is iPhone 15 worth upgrading from iPhone 14? The answer depends on your personal needs, budget, and how much you value having new features or upgrades in your phone.

To help you make a smart decision, this comprehensive guide outlines the key differences between iPhone 14 and 15, covering hardware improvements, camera enhancements, and performance upgrades.

Here’s our final verdict - iPhone 15 is worth the upgrade!

iPhone 15 introduces a brighter display with the Dynamic Island design, a much-improved 48MP primary camera, a faster A16 Bionic chipset, a more universal USB-C port, and better battery life. The upgrades in the iPhone 15 feel more advanced and preferable for photography, making it a slightly better option for the future.

For those who already own an iPhone 14, the benefits of upgrading are evident if you want to experience camera advancements, future-proof charging, and subtle design touches.

However, for everyday tasks, the iPhone 14 still holds up exceptionally well. Its lower price makes it an appealing choice for budget-conscious buyers or those who do not want an edge when it comes to their phones. So, comparing iPhone 15 vs. iPhone 14 price, the latter is always an affordable option for users.

While both are excellent choices, iPhone 15 positions itself as the cooler bet in the market. If you own an iPhone 14 or an earlier model and are looking for the best place to buy an iPhone 15 for its significant long-term upgrades, Perfect Preowned is here!

We are one of the leading online marketplaces offering perfectly refurbished electronic products. With 72-point quality inspection, we assure offering certified gadgets and devices that provide top-notch performance at budget-friendly prices. Choosing our refurbished phones is an excellent option, given their lower prices with assurance about the quality and upgraded functionalities.

Reach out to our store to upgrade to iPhone 15 at an unbeatable price deal without compromising on performance.