Samsung Galaxy Z Fold 4

amazon Samsung Galaxy Z Fold 4 reviews

Re-engineered design from Z Fold 3, thinner and lighter, more spacious inside and outside the screen

If you expect breakthroughs in the design of the Z Fold 4, you will probably have to wait until the next generation of Fold. Because in Z Fold 4, Samsung almost kept the design of the Z Fold 3 and only tweaked it a bit. The change is very difficult to notice even when placing the two machines side by side.

Specifically, Samsung has reduced the screen border both outside and inside of Fold 4 a bit to make these two screens more spacious. At the same time, Fold 4 is also lighter with a weight of 263g, (Fold 3 is 271g), becoming Samsung’s lightest Fold today. When I experienced it quickly, I found the Fold 4 to be more comfortable to hold, and less tiring, especially when it was necessary to use one hand. This year we also have blue and cream versions in addition to the traditional black.

Fold 4’s external screen is reduced to the nape (left edge area) making it 2.7mm wider than Fold 3 and becoming less narrow with the ratio now 23.1: 9 (in Fold 3 screen The external image has an aspect ratio of 24.5: 9.

Thanks to the wider screen ratio, the experience of using the external screen on the Z Fold 4 is also more comfortable, especially when you need to type on the keyboard, surf the web, check mail, browse Facebook more comfortably, and display more content.

The external screen size is still 6.2 inches with HD + resolution (2316×904 pixels), the refresh rate can vary from 48-120Hz, the maximum brightness is 1000 nits, and the Dynamic AMOLED 2X panel with the center mole contains the camera 10MP selfies. The external screen is protected by Corning Gorilla Glass Victus+. This type of tempered glass is also used on the back of the device, while the frame is made of Amor Aluminum similar to the Fold 3.

In addition to the lighter weight, the size of the Z Fold 4 is also slimmer, when folded the machine has a length x width x thickness respectively: 155.1 x 67.1 x 15.8mm (neck) – 14, 2mm (folded edge).

In Z Fold 3, these parameters are 158.2 x 67.1 x 16-14.4mm respectively.

When opened, the “3-round measurement” of Fold 4 is 155.1mm x 130.1mm x 6.3mm.

On the Z Fold 3, these numbers are 158.2 x 128.1 x 6.4mm.

Although these numbers of difference in size and weight of Fold 4 and Fold 3 are not too large, my experience shows that it is still enough to make a difference during use, especially when holding the phone for a long time.

Fold 4 is still IPX8 waterproof, which means it can be submerged to a depth of 1.5 meters for 30 minutes. Fold 3 and Flip 3 were the first folding phones on the market that could be water resistant, so there’s no reason why Samsung would remove them on Fold 4. However, Samsung still recommends that users do not use the Z Fold 4 at the pool or the beach. The device is also not dustproof like conventional smartphone bars.

Fold 4 continues to use the fingerprint integrated into the power button like the previous 3 Fold generations. Fast experience shows that this fingerprint has a fast and accurate recognition speed.

The hinge when folded will still not fully fit 100% but will have a slight gap to protect the screen inside. At the same time, this clearance also relieves pressure on the fold.

Going to the inside screen of Fold 4, the width of this screen is increased by 3mm compared to Fold 3 by shrinking the screen border and increasing the width of the device. You can see that the width of Fold 4 when opened is 130.1mm and Fold 3 is only 128.1mm.

Fold 4’s screen ratio now becomes 21.6:18 compared to Fold 3’s 22.5:18, making it more square, and suitable for displaying text-rich content such as web, email, spreadsheets, and Word files. When you multitask, opening multiple application windows on Fold 4 will also be more comfortable and easier to see. The device still allows us to split 3 screens so that we can use 3 apps at the same time. There are some tips so that you can split 4 screens and still be ok.

Speaking of multitasking, this year Samsung has moved the dock (similar to the Taskbar on computers) to quickly access frequently used apps or recently opened applications to the bottom edge of the screen instead of the right edge. This makes the Fold 4’s interface very close to the computer interface or Samsung Dex interface, taking advantage of the large screen.

The internal screen size is still 7.6 inches, the resolution increases to 2.7K (2716 x 812 pixels), the refresh rate from 1-120 Hz, 1000 nit brightness, and 2X Dynamic AMOLED panels. Previously, the screen resolution of Fold 3 and Fold 2 was 2.5K (2208×1768 pixels).

Wrinkles in the crease in the middle of the screen still exist but are difficult to notice if viewed directly. Wrinkles will appear more if viewed diagonally from the left and right corners and when touching the middle of the screen, but it does not cause too much of an impact when used normally. Samsung still pre-glued a thin plastic screen protector on top of the UTG glass to prevent scratches and users are not allowed to arbitrarily use this sticker.

According to a Samsung representative, this year both Z Fold 4 and Z Flip 4 are given an extended warranty package Samsung Care +, free 1 year of full protection and screen replacement fee, so you can rest assured about the screen fold shape.

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There is still a hidden camera under the screen

Like Fold 3, Fold 4’s inner screen still uses a camera hidden under the screen. Although it is hidden you can still easily detect it because the pixels in this area are less, pitted, can see each pixel, it doesn’t look very good, especially with the content white text when browsing the web, or in the notification panel of quick settings, system settings.

The resolution of this hidden camera is still 4MP with F1.8 aperture, fixed focus, and 2μm pixels, completely similar to Fold 3. It seems that Samsung has put the hidden camera cluster of Fold 3 on Fold 4 already.

S Pen support

Following Fold 3, Fold 4 still supports S Pen. The S Pen on the Fold 4 is still specially designed to be used with the folding screen without causing scratches or affecting the durability of the panel. You will not be able to use the S Pen on the Note series or the S22 Ultra with the Z Fold 4 because it may damage the screen. This year, the S Pen on the Fold 4 has a text extraction feature.

There are still 2 versions of S Pen for Z Fold 4. A standard version called S Pen Fold Edition does not Bluetooth and only supports basic Air Command operations. An S Pen Pro version with Bluetooth, adding advanced features such as Air Action, LED light, etc. Like Fold 3, you will need to buy an additional S Pen and a dedicated leather case to hold the pen for Fold 4, the device does have not a pen slot like Note or S22 Ultra.

Significantly upgraded camera

Although the Fold series has a unique folding design, it has always complained about the inadequate camera. With the Z Fold 4, Samsung probably understands this too, so it has upgraded the main camera to a resolution of 50MP (Fold 3 is only 12MP), has OIS, F1.8 aperture, 2μm pixels, Dual Pixel AF focus.

Besides, Fold 4 also has a 10MP telephoto camera with 3X optical zoom, 30X hybrid zoom, with OIS, and a 12MP super wide-angle camera. These parameters are very similar to the camera cluster of the Galaxy S22/S22+. Although not a completely new camera cluster, at least Samsung has listened to users, equipping the Fold 4’s camera with a better quality camera cluster.

Configuration “touching the roof” with Snapdragon 8 Plus Gen 1

In terms of configuration, true to the previous tradition of the Fold line, the Fold 4 is still used by Samsung with Qualcomm’s Snapdragon chip with the latest and most powerful version today, Qualcomm’s newly launched Snapdragon 8 Plus Gen 1, CPU clock speed up to 3.2GHz.

In addition, Fold 4 still has 12GB of LPDDR5 RAM, memory with 3 options from 256GB/512GB to even a standard 1TB UFS 3.1 version, without a memory card slot. The device supports 5G networks with both sub-6 and mmWave bands. This configuration is more than enough to help Fold 4 handle all tasks well, including heavy games, video editing, or multitasking with 4 apps in parallel.

Unfortunately, the battery of the Fold 4 still only has a capacity of 4400 mAh similar to the Fold 3, but Samsung said that thanks to the new battery-saving processor, the battery life of the Fold 4 will increase by 15-20%. This will need fact-checking. The device still has 25W fast charging, 15W wireless charging, and 10W wireless reverse charging.

The hinge is still very flexible

The hinge of the Fold 4 still has great flexibility, allowing the device to operate a laptop-style by folding the screen in half at an angle of about 90 degrees or folding the screen at many different angles.

Like previous generations, when folding the screen in the form of a laptop, applications such as the camera on the Z Fold 4 will automatically be adjusted to the interface, putting all the control buttons on the bottom half of the screen and leaving the viewfinder for the top half, making it feel like a handheld game console. At the same time, you can take advantage of this feature to shoot vlogs and take photos without using a tripod because you can place the camera firmly on a table or any flat surface.

The machine is also easy to stand on a flat surface without attaching any additional accessories because just opening the screen a bit can form a stand. The Fold 4’s 23.1:9 aspect ratio external screen is even more suitable for watching movies, helping to limit the black border on the bottom. This type of use will be very convenient when you need to watch videos or watch movies for a long time, it is not convenient to hold the camera in your hand.