OnePlus 9, Galaxy S21, iPhone 12, Battery Test | video

OnePlus 9 Pro, Samsung Galaxy S21 and iPhone 12 Pro Max have the best technology available today in Smartphones and are the top devices of these companys but on the other hand the battery for these smartphones that have huge power is a big question mark over how well it can cope with hard use.

In the video below from YouTube channel PhoneBuff, you can see a comparative test of the top mobile OnePlus 9 Pro, Samsung Galaxy S21 Ultra and iPhone 12 Pro Max, concerning battery life in different kinds of tests.

Video from YouTube channel PhoneBuff

The OnePlus 9 Pro features a Fluid AMOLED display, 120Hz, HDR10+ with a size of 6.55 inches, 103.6 cm2 (~87.6% screen-to-body ratio) while the resolution reaches 1080 x 2400 pixels. The battery has a capacity of 4500 mAh, non-removable.

The Galaxy s21 Ultra features a Dynamic AMOLED 2X, 120Hz, HDR10+ display measuring 6.8 inches while the resolution reaches 1440 x 3200 pixels, 20:9 ratio: It has a Li-Ion technology battery and a capacity of up to 5000 mAh, non-removable.

The iPhone 12 Pro Max features a Super Retina XDR OLED, HDR10, Dolby Vision display and has a dimension of 6.7 inch while the resolution reaches 284 x 2778 pixels. It has the smallest battery compared to the other two, lithium-ion technology and a capacity of 3687 mAh, non-removable.

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