Samsung Galaxy Z Fold2 test – a smartphone from the future

We test the Galaxy Z Fold2, an innovative and unique combination of smartphone and tablet. Samsung’s second generation of foldable smartphones is a product straight from the future, but does the “present person” need such a mobile device?

The last 12 months in the mobile industry have broken the “boredom” regarding smartphone design – after years we have gone beyond the traditional lump with a touch screen. All thanks to foldable smartphones. In 2019, the king of foldable devices was the Galaxy Fold. Today, for the title of the best foldable smartphone of 2020 compete devices from Motorola, LG, Microsoft and once again – Samsung. We will reveal already at the beginning of the text that Galaxy Z Fold2 5G, because this is the official, full name of the next Fold – once again wins in this race. But what is the race itself and what does winning it mean?

Foldable smartphone – what is it?

A foldable phone is something like a combination of a tablet and a smartphone. Two forms in one – this is the key to an innovative approach to a mobile device. Its most important element remains the foldable screen.

Last year’s Fold debuted amidst a flurry of problems concerning the first iteration of the model – the launch was postponed, and many people feared that the Fold might simply prove too fragile for standard use. Today we know that the first generation did quite bravely and the phone had no serious design flaws. But the next generation of hardware always brings improvements over the previous one.

Performance and unique form factor

The first, immediately visible change concerns the external screen (this is the one before unfolding the smartphone) – it is much larger, Fold2 in the closed version more resembles a standard smartphone, although the screen proportions are quite unusual. The second element is the case finish itself – the Fold2 looks as good as the latest Note20 Ultra. The glass finish and aluminum frame, along with an interesting color, offer a very successful mix. The phone – due to its unusual design – does not meet IP68 standards.

The design is complemented by the Hideaway hinge, which is key in the whole endeavor, without which we would not have a foldable phone. The hinge allows the smartphone to stand up. In the gap between the body and the hinge case, a special technology (sweeper technology) is used to block dust and dirt particles (another of the predecessor’s problems). Samsung claims that the Hideaway hinge used in the Galaxy Z Fold2 5G features a modified fiber composition and adjustable fiber density. Its best “tester” will be time, while during our two-week experiments we didn’t have the slightest problems while using the Fold2, and each time the screen was folded it made a satisfying sound.

The exact dimensions before and after unfolding are given at the bottom of the material, while you should still be aware that the folded Fold resembles the size of a gold bar with a gap between the screens. Its weight (282 g) is not insignificant, but you can get used to it. The phone, of course, does not have a headphone port, nor a microSD card slot. The built-in two speakers give sound of good quality. The fingerprint reader is placed in the side on/off button. Apart from it, we can find volume down and volume up buttons on the wall.

Two screens

Let’s devote more time to the screens. The external one is 6.2″ inches, it is made with Super AMOLED technology (25:9), its resolution is 2260 x 816 (386ppi). It is covered with super-strong Gorilla Glass Victus. Upon opening, we will see a 7.6-inch Dynamic AMOLED x2 (22.5:18) main screen, the Infinity Flex display has a resolution of 2208 by 1768 (373 ppi). The large screen can not be covered with glass, the manufacturer was left to use a very durable plastic. You have to get used to its texture when touching it. Under the light there is a visible fold that allows you to fold the screen, but during normal use you quickly forget about it. The outer screen has a refresh rate of 60 Hz, while the main screen has a refresh rate of 120 Hz (an adaptive feature known from the Note20 Ultra, among others).

The easiest thing to do would be to write that the image quality offered by both displays is good, but in the case of the Fold2 this is not a sufficient summary. The “wow” effect associated with folding and unfolding the screen is still impressive, even for those familiar with technology. Such excitement accompanying a smartphone has not been seen since the first iPhones.

What can a foldable smartphone do?

Thanks to App Continuity option, if only a given app supports it, we can still use it after opening or closing the phone. Together with the features prepared by Samsung overlay, we get an interesting tool for work and entertainment.

The ability to partially fold the phone and lay it on the surface makes the device turn into something like a minicomputer, with a keyboard and a small screen. If we use the camera or the webcam in this position, we get separate access to the frame (on top) and the camera options with the photo gallery (on the bottom).

The phone has a camera built into the screen, but we can use the main object to take selfies – just select Self Portrait mode and open the phone, and a smaller screen will show us what kind of photo we’ll take with the main camera.

As in the Tab S7 tablets or new Notes, the samsung overlay allows you to operate up to three applications (windows) on one screen. The drag-and-drop option allows you to drag text, photos and documents from one app to another. If an application uses Folda2 tablet mode, we can – like in Outlook – display at the same time the view of the inbox on the left and the current conversations on the other.

There are even more options, and there could certainly be tons more, but for the moment Fold2 uses Android 10 with Samsung’s One UI overlay. Android 10 isn’t officially tailored for foldable devices yet, so we’ll probably get to know the full power of the foldable screen when the time comes for a proper update.

Processing power

The Fold2’s specs are the highest end currently possible – Snapdragon 865+, Adreno 650 GPU, 12 GB of RAM, 256 GB or 512 GB of built-in storage. Qualcom’s chip means support for 5G. How does the phone perform in synthetic benchmarks?

Geekbench 5.0: 559 (Single-Core), 2855 (Multi-Core).

AnTuTu: 562 730

For comparison:

Xiaomi Mi 10 (8 GB RAM version) in Antutu scored 520,202 points, and in the Geekbench benchmark: 890 points. (Single-Core Score) and 3281 (Multi-Core Score).

Huawei P40 Pro scored 461,766 points in the AnTuTu benchmark. GeekBench 5: scores of 776 points (Single-Core) and 3182 (Multi-Core).

The Galaxy S20 Ultra had 520,202 points in Antutu and scored 918 points in Geekbench 5. (Single-Core Score) and 2820 (Multi-Core Score) points.

Relme X50 Pro 5G (12 GB RAM) had an Antutu score of 594,794. In Geekbench – 916 (Single-Core), 3341 (Multi-Core)

During the tests Galaxy Z Fold2 worked flawlessly. With such specifications, the smartphone will perform well during any daily work challenge, as well as in the most advanced games, including console emulators.


The set of lenses on the Fold2 is fairly standard. The camera module hides a 12 MP (f/1.8) main lens, a 12 MP (f/2.4, 52mm) telephoto lens with 2x optical zoom and 10x digital zoom, and a 12 MP (f/2.2, 123˚) ultra-wide angle lens. The level of photographs taken can be compared to those offered by the Galaxy S20, so it is not the best of the Korean manufacturer’s phones for photos… Samsung knows how to deliver photos at a good level, skillfully combining naturalism with computational photography, especially evident in the night mode photos – they strike a balance between the real state, adding just the right effect.

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