The iPhone 15 Pro brings several notable upgrades and changes when compared to its predecessor, the iPhone 14 Pro.

Here's a detailed look at the differences between the two models:

1. New A17 Chip (3nm):

The iPhone 15 Pro introduces the Apple A17 chip, built using a groundbreaking 3nm manufacturing process, offering improved performance and efficiency.

This marks a significant leap in chip technology.

2. Design and Size:

While the iPhone 15 Pro maintains a similar 6.1-inch screen size, it features slimmer bezels for a more elegant look. The device sports a new titanium body, which is more durable and scratch-resistant than the stainless steel used in the iPhone 14 Pro.

The new finish includes four colours: Natural Titanium (lighter grey), Blue Titanium, White Titanium, and Black Titanium.

3. Action Button:

Apple replaced the mute switch with a programmable Action Button on the iPhone 15 Pro.

This button can be customized to perform various functions, such as opening the camera or launching apps via the Shortcuts app.

4. USB-C Port:

The iPhone 15 Pro shifts from the Lightning port to USB-C, supporting faster USB 3 transfer speeds of up to 10Gbps.

This change enables quicker data transfer but may require purchasing a compatible cable separately.

5. Screen:

Both the iPhone 15 Pro and 14 Pro feature the same 6.1-inch OLED screens with Samsung's advanced OLED panels, offering up to 2,000 nits peak outdoor brightness, Always-On display, and ProMotion technology with a 120Hz refresh rate.

The significant difference is the slimmer borders around the iPhone 15 Pro's screen.

6. Performance and Software:

The iPhone 15 Pro is powered by the new A17 Bionic chip, which is built using the 3nm process, offering improved performance and energy efficiency.

It's expected to run on 8GB of RAM, an upgrade over the 6GB in the 14 Pro. Both devices run iOS 17, with new features and updates.

7. Camera:

The iPhone 15 Pro maintains the triple-camera system but introduces new features to the 48MP main camera, including 1.2X and 1.5X sensor crop options.

Super High Res photos at 24MP resolution are also available.

Other improvements include better anti-reflective coatings, improved night mode, HDR, and macro photography.

8. Video:

The iPhone 15 Pro introduces Spatial Video, a feature compatible with the upcoming Apple Vision Pro headset, offering an immersive experience.

This feature utilizes both the ultra-wide and main cameras to capture videos with depth.

9. Audio Quality and Haptics:

Both models are expected to have similar loudspeaker systems and haptics, with no significant changes anticipated.

10. Battery Life and Charging:

The battery size on the iPhone 15 Pro is slightly larger but doesn't result in improved battery life.

Charging speeds remain similar, with no significant changes.

To summarize, the iPhone 15 Pro offers substantial upgrades, including a new chip, design changes, camera improvements, and the adoption of USB-C.

However, whether it's worth upgrading from the iPhone 14 Pro depends on individual preferences and needs.

The iPhone 15 Pro maintains a starting price of $1,000 in the United States, making it an attractive option for those looking to experience these enhancements.