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Yesterday, Apple launched its latest iPhone 15 series. The new lineup consists of the iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max. Each model boasts enhanced features, the two main new features being the switch to USB-C and a new titanium frame for both the Pro and Pro Max.

Titanium Frame: A Game-Changer in Smartphone Design

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For the first time, Apple has incorporated a titanium frame into its iPhone design, with the Pro models being the beneficiaries of this upgrade. The iPhone 15 Pro and Pro Max now exhibit a grade 5 titanium chassis, renowned for its high strength-to-weight ratio. This advanced alloy, frequently used in aerospace applications, contributes to the Pro models being the lightest ever in Apple’s Pro lineup.

Lightweight, Durable, and Stylish

The iPhone 15 Pro and Pro Max maintain their predecessors’ display sizes of 6.1 inches and 6.7 inches, respectively. However, the new titanium design, coupled with contoured edges and the thinnest bezels to date on an iPhone, make the devices lighter and more comfortable to hold. The titanium frame’s brushed texture, produced through a multi-step process involving machining, sanding, brushing, and blasting, lends a sleek and premium look to the smartphones.

Innovative Manufacturing Process

A novel thermo-mechanical process is behind the integration of the titanium frame with a substructure made from 100% recycled aluminium, resulting in a robust bond via solid-state diffusion. This fusion enhances the iPhones’ durability and heat dissipation capabilities, while also facilitating easier replacement of the rear glass.

The Shift to USB-C: A Welcome Change

In a significant departure from its long-standing use of Lightning ports, Apple has incorporated USB-C into its latest iPhone Pro models. The introduction of USB-C, a universal standard for charging and data transfer, aligns the iPhone with other Apple devices such as the iPad Pro and MacBook Pro, as well as a host of Android devices.

Superior Data Transfer Speeds

The iPhone 15 Pro and Pro Max are equipped with USB 3, providing data transfer speeds up to a whopping 10 Gbps. This is a vast improvement over the previous standard, making tasks like photo and video transfers faster and smoother. This change, however, would necessitate the purchase of an optional USB 3 cable to enable these high-speed data transfers.

Universal Compatibility

The shift to USB-C also brings the convenience of universal compatibility. Users can now charge their iPhones using the same cable and charger as their other devices, be it an iPad Pro, MacBook Pro, or an Android smartphone. This eliminates the need for multiple cables and chargers, simplifying the users’ tech ecosystem.

iPhone 15 Pro Max: Bringing Periscope Zoom to iPhones

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The iPhone 15 Pro Max introduces a significant upgrade to the camera system, featuring the first periscope camera in an iPhone. This innovative design employs a “tetraprism” setup, enabling a 5x optical zoom, equivalent to a 120mm lens. This is a considerable leap from the 3x optical zoom offered by the iPhone 15 Pro.

Improved Image Stabilisation

This new telephoto system also incorporates advanced optical image stabilisation, with Apple’s sensor-shift technology making up to 10,000 micro-adjustments per second to counteract camera shake. This level of stabilisation is crucial when shooting at high zoom levels and ensures sharp, clear images even when capturing distant subjects.

Versatile Focal Lengths

The iPhone 15 Pro Max also allows users to switch between popular focal lengths, including 24mm, 28mm, and 35mm, and even set one as the default. This flexibility offers users more creative control and the opportunity to capture a variety of shots without switching lenses.

Apple A17 Pro: Powering the New iPhone 15 Pro Series

The iPhone 15 Pro and Pro Max are powered by Apple’s latest chip, the A17 Pro. This is the industry’s first 3-nanometer chip, boasting a whopping 19 billion transistors for superior performance.

Improved Performance

The A17 Pro chip features a 6-core processor with two high-performance cores that are 10% faster than those in the previous A16 Bionic. The chip also includes four efficiency cores designed to optimise power usage.

Advanced Graphics Processing

The A17 Pro also boasts a 6-core GPU that is 20% faster than its predecessor. This enhanced GPU supports hardware-accelerated ray tracing, a first for an A-series chip, delivering smoother graphics for more immersive augmented reality applications and gaming experiences.

A Dedicated AV1 Decoder

The A17 Pro includes a dedicated AV1 decoder, enabling high-quality, efficient video experiences for streaming services. In addition, the new chip supports USB 3 speeds, enabling faster data transfers and video output up to 4K at 60 fps HDR.

The iPhone 15 Series: A Snapshot

iPhone ModelDisplay SizeFrame MaterialPortProcessorStarting Price
iPhone 156.1 inchesAluminiumUSB Type-C 2.0A16 Bionic$799 / £799
iPhone 15 Plus6.1 inchesAluminiumUSB Type-C 2.0A16 Bionic$899 / £899
iPhone 15 Pro6.1 inchesTitaniumUSB Type-C 3.0A17 Pro$999 / £999
iPhone 15 Pro Max6.7 inchesTitaniumUSB Type-C 3.0A17 Pro$1,199 / £1,199


Apple’s iPhone 15 series pushes the boundaries of smartphone design and performance. The introduction of a titanium frame and the shift to USB-C are significant enhancements that elevate the user experience. The iPhone 15 Pro Max’s periscope zoom camera and the powerful A17 Pro chip further solidify Apple’s position at the forefront of smartphone innovation.

Whether you’re a photographer looking for versatile camera capabilities, a gamer seeking superior graphics, or a tech enthusiast who appreciates universal compatibility and premium design, the iPhone 15 series has something for you. The future of smartphones is here, and it’s looking brighter than ever.

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  1. I’m pretty sure the base iPhone 15 and 15 Plus also move to USB, but with only a USB 2 connection rather than USB 3 on the Pro models

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