October 6, 2026•5 min read

Apple iPhone 18 Pro Max vs. iPhone 17 Pro Max: Key Comparisons

A detailed comparison of iPhone 18 Pro Max and iPhone 17 Pro Max, focusing on design, performance, camera, and battery life improvements.

Apple iPhone 18 Pro Max next to iPhone 17 Pro Max on a table

Introduction

The release of the Apple iPhone 18 Pro Max has sparked discussions on how it compares to its predecessor, the iPhone 17 Pro Max. With various improvements in display, performance, camera, and battery life, potential buyers are curious about how much better the iPhone 18 Pro Max really is. This article will explore the key differences between these two flagship smartphones.

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Design

Both the iPhone 18 Pro Max and the iPhone 17 Pro Max sport a similar design, making it difficult to distinguish one from the other at first glance. Featuring an aluminum unibody with a pronounced camera bump, both models are protected by the second-generation Ceramic Shield on the front and first-generation Ceramic Shield over the rear charging coil. They are also both rated IP68 for dust and water resistance, capable of surviving in up to 6 meters of water for 30 minutes.

However, the iPhone 18 Pro Max weighs 249 grams, which is 15 grams more than the 233 grams of the iPhone 17 Pro Max. This weight difference is attributed to the larger battery and a bigger heatsink in the new model.

Display

Both iclone models have a 6.9-inch LTPO Super Retina XDR OLED panel with a resolution of 1320 x 2868 pixels and a refresh rate of 120Hz. While the brightness levels for both devices are advertised similarly — 1,000 nits typical and 3,000 nits peak, the iPhone 18 Pro Max features a 35% smaller Dynamic Island, which houses the IR camera below the screen, yielding better edge display efficiency.

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Battery Life

The iPhone 18 Pro Max is powered by a 5,391mAh battery compared to the 4,823mAh in the iPhone 17 Pro Max. This increase is approximately 500mAh more in capacity, and with the updated chip and improved thermal management, the iPhone 18 Pro Max has achieved an impressive Active Use Rating of 19:20 hours, a notable improvement from the 17:58 hours on the iPhone 17 Pro Max. Users can expect enhanced performance particularly during calls and internet browsing.

Charging Speed

Charging on both models showcases distinct improvements with the iPhone 18 Pro Max advertised as supporting faster wired charging. Apple recommends using a 40W Dynamic Power Adapter, and the new model states a maximum charging power of 54W, up from 42W on its predecessor. Testing reveals that the iPhone 18 Pro Max can reach 50% charge in just 15 minutes and 81% in 30 minutes, compared to 38% and 65% respectively for the iPhone 17 Pro Max, demonstrating a clear advantage in charging efficiency.

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Performance Comparison

In terms of performance, the iPhone 18 Pro Max utilizes the latest Apple A20 Pro chip built on a 2nm manufacturing process, featuring a 6-core CPU and a powerful 7-core GPU. On the other hand, the iPhone 17 Pro Max is powered by the A19 Pro, which is built on a 3nm architecture.

iPhone Model Chip AnTuTu Score Geekbench Score 3D Mark Wild Life
iPhone 18 Pro Max Apple A20 Pro 711,558 3,537 7,931
iPhone 17 Pro Max Apple A19 Pro 102,600,583 2,920 6,032

The new processor boasts a roughly 30% increase in CPU scores and a similar uplift for GPU performance, making the iPhone 18 Pro Max significantly faster in benchmark tests.

Benchmark scores displayed on the screen of both iPhones

Camera Improvements

Camera functionalities have seen some refinements in the new iPhone model. While the main camera retains a 48MP resolution, it now features a variable aperture lens with an aperture range from f/1.48 to f/4.0 compared to a fixed aperture of f/1.78 on the iPhone 17 Pro Max. This upgrade allows for a wider range of light capture and improved shooting versatility.

Despite these improvements, the telephoto and ultrawide cameras remain unchanged from the previous model. The selfies seen on both models utilize the same hardware, also resulting in similar outputs.

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Image and Video Quality

In terms of image quality, daylight main camera photos from both models are largely similar, though the iPhone 18 Pro Max has shown to deliver sharper images on occasion. Noteworthy improvements manifest during low light conditions where, while both cameras strike a balance in quality, the iPhone 18 offers newer computational photography advantages, even if marginally.

For video capabilities, both models record in 4K at 60fps across all cameras, but the iPhone 18 Pro Max now allows for a maximum of 4K60 in Cinematic mode, up from 4K30. Additionally, manual controls for shutter speed, white balance, and aperture are viable in video recording on the 18 Pro Max.

Conclusion: Should You Upgrade?

The iPhone 18 Pro Max presents notable upgrades over its predecessor in terms of design tweaks, better hardware and battery life, enhanced charging capabilities, and camera versatility. It stands as a premium choice for tech enthusiasts who demand the latest features. Nevertheless, those who currently own an iPhone 17 Pro Max or a model older than the 15 series might still find their device to be an excellent option considering performance and price.

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Key Takeaways

  • Weight: iPhone 18 Pro Max is 249g compared to 233g for the iPhone 17 Pro Max.
  • Battery: iPhone 18 Pro Max offers a 5,391mAh battery compared to 4,823mAh on the 17 Pro Max.
  • Charging: The newer model charges faster at 54W, reaching 50% in 15 minutes versus 38% in the 17 Pro Max.
  • Performance: The iPhone 18 Pro Max scores an AnTuTu score of 711,558 compared to 102,600,583 on the 17 Pro Max.
  • Camera: iPhone 18 Pro Max features a new variable aperture lens on its main camera.

Frequently Asked Questions

Key differences include a larger battery in the iPhone 18 Pro Max, a faster A20 Pro chip, improved charging speeds, and a variable aperture camera.
#Apple#iPhone#Smartphones#Technology#iOS
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