India, May 2 -- A Snapdragon 8 Elite (OnePlus 13) sips power smarter than a MediaTek Dimensity 6300 (realme 14x), even with the same battery size.

* Display Drain: A 6.8-inch 120Hz AMOLED screen (OnePlus 13) guzzles more juice than a 6.5-inch 90Hz LCD (Samsung Galaxy M15).

* Software Optimization: Phones like the Motorola G60 (6,000mAh) with basic Android skins lose to OnePlus 13's OxygenOS, which fine-tunes background apps aggressively.

* Usage Habits: Gaming on the ASUS ROG Phone 7 Ultimate at max brightness will drain its 6,000mAh battery faster than streaming videos on a Redmi 12C.

What you're missing about a bigger battery?

The "6,000mAh = all-day battery" is a myth. Users see the big battery number and fall for the myth. A 5,00...