iPhone 15 vs iPhone 11: how do four years of iPhone evolution look like?

Comparison of iPhone 15 and iPhone 11: Four Years of Technological Advancements
  Reading time 6 minutes

Comparing the iPhone 15 to the iPhone 11 reveals significant technological advancements, improved performance, and new features that reflect four years of iPhone evolution. From design changes to internal hardware upgrades, the evolution of Apple’s flagship smartphone showcases substantial improvements.

Design and Display

The iPhone 15 and iPhone 11 each represent their own eras of Apple’s design philosophy. The iPhone 11 featured a more rounded, ergonomic design with thicker bezels around the screen. The iPhone 15, on the other hand, has gone for a sleeker, more polished look with thinner bezels and a more edge-to-edge display.

One of the most noticeable changes is the move from LCD to OLED technology. The iPhone 11’s Liquid Retina display is vibrant, but the OLED screen on the iPhone 15 offers deeper blacks, more vivid colors, and better overall energy efficiency.

Additionally, the size and resolution of the displays have also improved. The iPhone 15 features a higher resolution and improved pixel density, providing a sharper and more detailed visual experience.

Performance and Hardware

Under the hood, the iPhone 15 significantly outshines the iPhone 11. The A15 Bionic chip in the iPhone 11 was cutting-edge at its release, offering unparalleled speed and efficiency. However, the iPhone 15 boasts the A19 Bionic chip, which enhances performance by leaps and bounds.

The iPhone 15’s processor supports advanced machine learning and AI tasks better than ever before. This speed boost is not just limited to numbers; it translates to smoother multitasking, faster app launches, and more seamless user experience.

Additionally, the storage options have also increased. The iPhone 11 started with a base storage of 64GB, whereas the iPhone 15 begins with 128GB, providing more room for apps, photos, and videos.

Camera and Photography

The camera systems on the iPhone 15 have seen substantial upgrades from the iPhone 11. The iPhone 11’s dual-camera system was revolutionary at the time, but the iPhone 15 takes it several steps further with a quad-camera setup.

Here’s a quick rundown of what’s new:

  • Advanced computational photography
  • Improved low-light performance
  • Enhanced zoom capabilities
  • ProRAW and ProRes video capabilities

The iPhone 15 also includes improved sensors and software enhancements that offer better color accuracy, dynamic range, and video stabilization. These advances make the iPhone 15 a superior tool for both amateur photographers and professionals alike.

Battery Life and Charging

The battery life of the iPhone has always been a focal point for Apple, and the iPhone 15 offers significant improvements over the iPhone 11.

1. Extended battery life: The larger battery and more efficient A19 chip provide longer usage times on a single charge compared to the iPhone 11.

2. Faster charging: The iPhone 15 supports faster wired and wireless charging, reducing downtime significantly.

3. Eco-friendly design: New battery technologies focus on longevity and environmental friendliness, aligning with Apple’s commitment to sustainability.

These battery improvements mean that users can enjoy their iPhone 15 for longer periods without worrying about running out of power.

Evolution of the iPhone: Contrasting the iPhone 15 with the iPhone 11 Over Four Years

Software and Features

With each new iPhone release, the software capabilities also see significant upgrades. The iPhone 11 launched with iOS 13, which brought features like Dark Mode and enhanced privacy settings. The iPhone 15, running the latest iOS 17, introduces even more advanced features.

Here’s a look at some key software features:

  • Widgets: More customizable and interactive home screen widgets
  • App Library: Enhanced app organization and management
  • Privacy Features: Enhanced tracking prevention and privacy controls
  • Siri Improvements: More intelligent and responsive digital assistant

The new software features offer a more personalized, efficient, and secure experience for iPhone users, making the iPhone 15 a more compelling device for day-to-day use.


In conclusion, the leap from the iPhone 11 to the iPhone 15 is marked by notable advancements across design, performance, camera capabilities, battery life, and software features. The technological evolution over the past four years highlights Apple’s ongoing commitment to innovation and user experience. While the iPhone 11 remains a capable device, the iPhone 15 offers unparalleled enhancements that cater to a modern audience seeking cutting-edge technology and performance.


1. Is the iPhone 15 significantly faster than the iPhone 11?

Yes, the iPhone 15’s A19 Bionic chip offers substantial improvements in speed and efficiency compared to the iPhone 11’s A13 Bionic chip.

2. Does the iPhone 15 have a better camera than the iPhone 11?

Definitely, the iPhone 15 features a quad-camera system with advanced capabilities, compared to the dual-camera setup on the iPhone 11.

3. Are there new software features on the iPhone 15?

Yes, the iPhone 15 introduces many new software features including more customizable widgets, improved privacy settings, and a more responsive Siri.

4. How does the battery life of the iPhone 15 compare to the iPhone 11?

The iPhone 15 offers longer battery life and faster charging options compared to the iPhone 11.

5. Is the display on the iPhone 15 better than the iPhone 11?

Yes, the iPhone 15 features an OLED display with higher resolution and pixel density, offering superior color accuracy and energy efficiency compared to the iPhone 11’s LCD display.