Asus ZenFone 2 vs ZenFone 4 vs ZenFone 5 – Top Features, Specs and Price Comparison

The ZenFone 2 was released at the beginning of the year with a 64bit processor and two variants of RAM capacities, being the first smartphone to support up to 4GB of RAM. The other two models came last year with weaker Intel processors, but they’re still a good choice if you want to buy a cheap phone with decent specifications.

Designs, displays and dimensions

The ZenFone 4 and the ZenFone 5 have almost the same design, featuring a plastic unibody with curved edges and rounded corners, but the first device is a mid-tier, measuring 124.4×61.4×11.2 mm, weighting 115grams and having a TFT display sized at 4inches, which supports 480x800pixels at 233 ppi. The second device has a 5inches IPS screen that supports a higher resolution of 720x1280pixels at 294 ppi, while its dimensions are 148.2×72.8×10.3 mm, resulting in a weight of 145grams.

The ZenFone 2 suffered big improvements in matter of design, but Asus was criticized for not being original, because it placed the physical buttons on the back of the phone, below the camera, copying the idea from the LG G3. Asus copied even the brushed metal body, but made the device rectangular, not with a floating arc shape. Its dimensions are 152.5×77.2×10.9 mm, making it a phablet that weights 170grams. The screen is also IPS, but it measures 5.5inches and supports 1080x1920pixels at 403ppi.


As we were saying, all three phones have Intel Atom processors, but they were gradually improved and the weakest one is owned by the ZenFone 4, which arrived in January 2014. The model of the chipset is Z2520 and it supports a dual core processor clocked at 1.2GHz, which is backed by PowerVR SGX544MP2 graphics and 1GB of RAM, while its internal memory is available in two variants of capacities of 4 or 8GB, with the possibility to expand them through a microSD card slot up to 64GB.

The ZenFone 5 is also powered by a dual core processor, but which has a higher clock speed of 2GHz, and the chipset model is Z2580. The device has PowerVR SGX544MP2 graphics, 2GB of RAM and three variants of internal storage: 8/16/32 GB, which supports the same maximum additional memory.

As for the ZenFone 2, the device is available in two variants of internal configuration. The first option consists of a more powerful quad core 2.3GHz Intel Atom Z3580 processor with 4GB of RAM, while the other model is packed with a quad core 1.8 GHz Intel Atom Z3560 processor with 2GB of RAM. However, both models are housing PowerVR G6430 graphics and the buyers can choose one of these three internal memories: 16/32/64 GB and add a microSD card slot for the first two variants, to increase their capacities up to 64GB.


The new ZenFone device has a much better rear camera with a resolution of 13MP, which is bundled with useful features such as dual-LED flash, HDR, autofocus and video capture at [email protected] The secondary camera is also decent and you will take great selfies, because it has a resolution of 5MP. The ZenFone 5 is equipped with an 8MP back shooter which features LED flash and autofocus, but the secondary camera isn’t one of the best, as it supports 2MP. Lastly, the ZenFone 4 has a 5MP back camera with autofocus and a VGA front camera.


The ZenFone 2 is shipped with Android v5.0 (Lollipop), while the other models came loaded with v4.3 (Jelly Bean) and now they’re running on v4.4.2 (KitKat).


The ZenFone 4 comes with two variants of replaceable batteries: one has a capacity of 1200mAh, and the other is a bit bigger at 1600mAh. The ZenFone 5 uses a non-removable 2110 mAh battery, while the ZenFone 2 is powered by a non-removable 3000 mAh battery.


The ZenFone 2 is now sold on Amazon and the 2GB variant costs 189 dollars, but you don’t have a warranty for it. The 4GB variant with 32GB of internal storage costs 305 dollars.

On the ZenFone 4 with 8GB of storage you’ll pay 99 dollars and the ZenFone 5 with 8GB of storage costs 139 dollars.

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