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The iPhone 6S Plus and Asus Zenfone 2 (ZE551ML) are two devices that have been released last year, today we’re going to compare them and let you decide which one of these two devices suits your needs.


The iPhone 6S Plus measures 158.2×77.9×7.3mm and weights 192 grams. Likewise the previous iPhone tablet, it has an aluminum body and on the back are two horizontal lines which are hiding the radio antennas. Apple has added a new color, Rose Gold, which was appreciated by female customers. The Zenfone 2 (ZE551ML) is thicker and lighter, as it measures 152.5×77.2×10.9mm and weights 170grams because its back is made of plastic, but it has a brushed metal effect. Also, the volume buttons are placed below the rear camera, while the power button sits at the top.


The iPhone 6S Plus features an IPS LCD display of 5.5-inch that supports a resolution of 1920×1080 pixels at 401ppi and it’s protected by an ion-strengthened glass. On the other hand the Zenfone 2 (ZE551ML) comes with an IPS display of the same size, it supports a Full HD resolution that gives a pixel density of 401ppi, but it’s protected by Corning Gorilla Glass 3.

Processors, Graphics Cards & RAM

The iPhone 6S Plus has an Apple A9 chipset, a dual-core Twister processor clocked at 1.84GHz, a PowerVR GT7600 and 2GB of RAM. The Zenfone 2 (ZE551ML) comes in two variants of configurations, as follows:

– Intel Atom Z3580 chipset, quad-core processor clocked at 2.3GHz and 4GB of RAM,
– Intel Atom Z3560 chipset, quad-core processor clocked at 1.8GHz and 2GB of RAM.

As for the graphics card, both of the Zenfone 2 (ZE551ML) variants come with a PowerVR G6430 GPU.


The iPhone 6S Plus has been released in three internal storage variants of 16GB, 64GB and 128GB, but the phablet doesn’t offer a card slot for memory expansion. The Zenfone 2 (ZE551ML) also comes in three internal storage variants of 16GB, 32GB and 64GB, which can be expanded up to 128GB using a microSD card.


The iPhone 6S Plus sports a primary camera of 12MP (found on the rear side of the handset) that features dual-LED flash, geo-tagging, touch focus, face detection, HDR and a secondary camera of 5MP (found on the front side of the device). The Zenfone 2 (ZE551ML) has a more powerful primary camera of 13MP with dual-LED flash, geo-tagging, touch focus, face detection, panorama, HDR and a secondary camera of 5MP.


Both devices come with non-removable batteries, but the one found on the iPhone 6S Plus is weaker, as its capacity is only 2750 mAh, while the Zenfone 2 (ZE551ML) is powered by a 3000 mAh unit.

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