Battery life has always been a key battleground for smartphones, and Oppo’s upcoming Find X9 Pro seems ready to take that fight seriously. Ahead of its official debut on October 16, early tests suggest the device may have pulled off something impressive: lasting longer than Xiaomi’s 17 Pro Max — even though both carry the same 7,500mAh battery capacity.
According to results shared by Novice Evaluation, the Find X9 Pro managed 7 hours and 18 minutes in a continuous usage test. That puts it just behind the iQOO Z10 Turbo+ (7 hours 31 minutes, with an 8,000mAh battery) but ahead of Xiaomi’s 17 Pro Max, which clocked 6 hours and 49 minutes. Even the regular Find X9, with its smaller 7,025mAh battery, edged slightly past Xiaomi at 6 hours and 51 minutes. For context, the iPhone 17 Pro Max trailed far behind at 5 hours and 26 minutes — a reminder that Android phones still dominate in raw endurance.
A separate round of testing from WhyLab showed similar results. The Find X9 Pro reportedly lasted 9 hours and 30 minutes, compared to the Xiaomi 17 Pro Max’s 8 hours and 24 minutes — a difference of over an hour. What’s interesting is that the Xiaomi uses Qualcomm’s latest Snapdragon 8 Elite Gen 5 chip, while Oppo’s flagship runs on MediaTek’s Dimensity 9500. It’s possible that Oppo’s software tuning, particularly with ColorOS 16’s power management, is playing a big role in the results.
Users on X also took notice. One post summed up the sentiment well: “Both have the same 7500mAh Battery & Xiaomi has 8e Gen 5 which is more efficient than 9500 and still performs worse. This is actually dependent on how the software is being Optimized.”
Of course, these are still pre-release results, and variations in testing conditions or upcoming HyperOS updates could shift the balance. But Oppo’s showing here is impressive nonetheless.
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(Sources: WhyLab | Novice Evolution)
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