By Jordan Grim
The Xiaomi 17 Pro Max entered the 2025 flagship race boasting a 7,500mAh battery, easily one of the largest among premium smartphones. On paper, that number sounds unbeatable—especially when compared to the iPhone 17 Pro Max, which carries a smaller 4,823mAh cell. Even more impressive, Xiaomi’s latest flagship remains lighter at 219g, while Apple’s tops 233g.
With that kind of energy advantage, tech fans expected the Xiaomi 17 Pro Max to crush Apple’s iPhone in endurance. But a new battery drain test by TechDroider tells a different story—one that left many enthusiasts stunned.
The test lineup included some of the biggest names in the smartphone world:
Each phone went through a grueling real-world simulation—intense gaming, YouTube streaming, Instagram scrolling, web browsing, and 4K video recording—until the battery finally died.
Despite having a much larger capacity, the Xiaomi 17 Pro Max only lasted five minutes longer than the iPhone 17 Pro Max. Yes, you read that right. The Xiaomi 17 Pro Max delivered 13 hours 36 minutes, while the iPhone managed 13 hours 31 minutes before powering off.
The Snapdragon 8 Elite Gen 5 inside the Xiaomi 17 Pro Max is an absolute powerhouse, but Apple’s A19 Pro chip continues to set the gold standard for efficiency. Even though these two processors run on entirely different ecosystems, the results highlight how Apple’s tight integration of hardware and software continues to push the limits of energy management.
In simpler terms: Xiaomi may have more juice, but Apple uses its power more wisely.
Smartphone | Battery Capacity | Battery Life |
Xiaomi 17 Pro Max | 7,500 mAh | 13h 36m |
iPhone 17 Pro Max | 4,823 mAh | 13h 31m |
Xiaomi 15 Pro | 6,100 mAh | 12h 31m |
OnePlus 13 | 6,000 mAh | 11h 56m |
Pixel 10 Pro XL | 5,200 mAh | 11h 28m |
Galaxy S25 Ultra | 5,000 mAh | 11h 20m |
Battery life isn’t just about numbers—it’s about real endurance. For users in the U.S., where heavy 5G usage, multitasking, and high screen brightness are daily norms, the test shows that the Xiaomi 17 Pro Max may curb frequent charging anxiety, but Apple’s efficiency still holds strong.
Still, for anyone who values raw capacity, fast charging, and lighter design, the Xiaomi 17 Pro Max stands tall among 2025 flagships. The phone’s combination of power, portability, and modern engineering makes it a serious contender against Apple and Samsung alike.
The Xiaomi 17 Pro Max proves that bigger doesn’t always mean better—but it sure helps. Its 7,500mAh battery, sleek frame, and optimized software deliver top-tier performance, even if Apple’s iPhone 17 Pro Max remains shockingly close with a much smaller battery.
As the Xiaomi 17 Pro Max continues to trend across tech platforms in October 2025, one thing is clear: the battery wars are far from over—and users are the real winners.