the iPhone 15 Pro Max has good overall battery life, but struggles somewhat during intensive gaming sessions compared to the iPhone 14 Pro Max:
- DXOMARK's battery tests found the iPhone 15 Pro Max had "poor autonomy during gaming" compared to other use cases. [1]
- However, in CNET's 45-minute battery endurance test that involved gaming, video watching, and social media use, the iPhone 15 Pro Max only lost 3% battery - better than the iPhone 14 Pro Max and Galaxy S23 Ultra. [1]
- For less demanding tasks like 3-hour video streaming, the iPhone 15 Pro Max retained 87% battery, outperforming the Galaxy S23 Ultra. This suggests the battery holds up better for non-gaming workloads. [2]
- One reviewer noted the iPhone 15 Pro Max got "warm" after 30 minutes of playing the graphically-intensive game Resident Evil Village, indicating the device was working hard and consuming more power during gaming. [1]
So in summary, while the iPhone 15 Pro Max has excellent overall battery life, it does not perform as well as the iPhone 14 Pro Max during prolonged, intensive gaming sessions. The battery drains faster and the device can get warm under heavy gaming loads. But for more typical daily use and less demanding tasks, the iPhone 15 Pro Max's battery life is still very good.
Citations:[1] https://www.phonearena.com/reviews/apple-iphone-15-pro-max-vs-iphone-14-pro-max_id5816
[2] https://www.pocket-lint.com/apple-iphone-15-pro-max-vs-iphone-14-pro-max-whats-the-difference/
[3] https://www.nextpit.com/apple-iphone-15-pro-max-vs-iphone-14-pro-max-comparison
[4] https://www.youtube.com/watch?v=k2OVAr9bhKQ
[5] https://www.reddit.com/r/apple/comments/17y79k1/phonebuff_compares_battery_life_of_all_iphone_15/