The Google Pixel 9 Pro XL was unveiled in mid-August alongside the Google Pixel 9, Pixel 9 Pro, and Pixel 9 Pro Fold. I got a chance to review the Google Pixel 9 Pro XL, and while I was blown away by its smooth-and-seamless operation, as well as its quirky AI feature set, nothing could have prepared me for its incredibly long battery runtime.
Up until now, according to Mashable's in-house testing, the iPhone 15 Pro Max lasted the longest on a single charge with an impressive runtime of 14 hours and 53 minutes. So imagine our surprise when the Google Pixel 9 Pro XL lasted about four hours longer than the iPhone 15 Pro Max.
SEE ALSO: Pixel 9 Pro XL hands-on review: I zoomed in on strangers 5,280 feet away and saw the color of their clothesGoogle Pixel 9 Pro XL battery life
According to our battery test, which involves running a TikTok video loop continuously over Wi-Fi at 50% brightness, the Google Pixel 9 Pro XL lasted a whopping 18 hours and 50 minutes — that's nearly 19 hours.
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Credit: Kimberly Gedeon / Mashable Because our in-house testing is based on a continuous, non-stop video rundown, the average user will likely be able to eke out even more battery life out of the Google Pixel 9 Pro XL based on usage that involves some standby time, as well as calling, texting, web browsing, and more.
Here's a look at some of the other runtimes we've recorded on the same battery life test:
Samsung Galaxy S24 Ultra - 13 hours and 1 minute
iPhone 15 Pro Max - 14 hours and 53 minutes
Samsung Galaxy Z Flip 6 - 12 hours and 13 minutes
Samsung Galaxy Z Fold 6 - 12 hours and 44 minutes
The Google Pixel 9 Pro XL runs on the Google Tensor G4 chip, which likely contributes to its long battery life. Based on the approximate 19-hour runtime, the processor is quite energy efficient. The downside, however, is that the performance figures, based on Geekbench 6, isn't very impressive. With a multi-core score of just 4,569, it's less powerful than even the Google Pixel 8 Pro that dropped last year.
For more details on Google's new current-generation phones, check out our full reviews on the Google Pixel 9 Pro XLand the Google Pixel 9.
Opens in a new window Credit: Kimberly Gedeon / Mashable Google Pixel 9 Pro XL $1,099.99 at Google 
