Apple has recently released iOS 18, alongside iOS 17.7, giving iPhone users more options when it comes to upgrading. iOS 17.7 is specifically designed for those who may not want to jump into the new update right away. Some users prefer to wait, worried about potential bugs, app compatibility issues, or possible performance problems, especially on older iPhones.
iOS 18 vs iOS 17.7: Performance Insights You Need to Know
Apple has followed this approach before, allowing users to choose which version of iOS they want to run. For instance, last year, even after launching iOS 17, Apple continued to roll out security updates for iOS 16. However, these updates eventually became available only for devices that couldn’t support iOS 17. Now, with iOS 18 available, Apple is offering a similar choice between iOS 18 and iOS 17.7 for users who aren’t quite ready to upgrade.
To help users decide whether to update, the popular YouTube channel iAppleBytes ran a series of performance tests comparing iOS 18 with iOS 17.7. These tests were conducted on a variety of iPhones, including the iPhone XR, iPhone 11, iPhone 12, and iPhone 13. The tests didn’t include newer models like the iPhone 14 and iPhone 15, so if you own one of those, you’ll need to wait for more detailed information on how iOS 18 performs on those devices.
One of the key tools used in these tests was Geekbench, a popular app that measures CPU and GPU performance. The results were mixed. In terms of CPU performance, only the iPhone 13 showed any improvement when running iOS 18 compared to iOS 17.7. The other models, including the iPhone XR, iPhone 11, and iPhone 12, saw small declines in CPU scores. However, the story was different for GPU performance. Across all models, iOS 18 showed clear improvements over iOS 17.7. One issue worth noting is that the Speed Test app didn’t work properly on the iPhone XR, but it functioned fine on all the other models tested.
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From iOS 17.7 to iOS 18: What Users Should Expect in Performance
Overall, the results are reassuring for users worried about how the update might affect their phone’s performance. For those concerned that iOS 18 could slow down their iPhone, especially if they have an older model, the tests suggest there’s no significant performance loss to worry about. There were some minor delays when opening apps, particularly third-party ones, but these delays were small. Most likely, these issues will get a fix with future app updates.
One important area that hasn’t been thoroughly tested yet is battery life. For many users, battery performance is a big factor when deciding whether to upgrade to a new iOS version. So far, no data has been shared on how iOS 18 affects battery life compared to iOS 17.7. In the past, some iOS updates have caused battery drain, so users will want to keep an eye out for more information in this area. As users and reviewers test iOS 18 further, more data should become available, giving a clearer picture of its impact on battery life.
If you’re wondering whether your device is compatible with iOS 18, here’s the list: iOS 18 works with the iPhone XR, XS, XS Max, 11, 11 Pro, 11 Pro Max, 12, 12 mini, 12 Pro, 12 Pro Max, 13, 13 mini, 13 Pro, 13 Pro Max, 14, 14 Plus, 14 Pro, 14 Pro Max, 15, 15 Plus, 15 Pro, 15 Pro Max, and the iPhone SE (2nd and 3rd generation). Additionally, Apple’s upcoming iPhone 16 series, launching on September 20, will come with iOS 18 pre-installed.
In summary, iOS 18 introduces new features and improvements. In contrast, iOS 17.7 offers a stable, familiar option. So far, performance tests show that iOS 18 performs well. It has noticeable improvements in GPU performance. There are no major performance drops across devices. However, the impact on battery life remains unclear. Users should wait for further tests before making a final decision. Whether you’re eager to explore the new features or prefer the reliability of iOS 17.7, Apple’s dual-release strategy gives you flexibility. You can choose how and when to upgrade your iPhone.
