Samsung Galaxy Z Fold 4 Review (12+256GB)

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The new Galaxy Z Fold 4 brings a significant improvement in user experience compared to last year's Galaxy Z Fold 3, rather than a major generational leap. However, such incremental upgrades were to be expected. In this article, we will explore all the updates, detailed specifications, and more about the all-new Samsung Galaxy Z Fold 4.

Samsung Galaxy Z Fold 4 Overview:

Design & Build

The Fold 3 marked Samsung's significant efforts in creating robust foldable devices. With features like IPX8 water protection, Armor Aluminum hinge, S Pen support, and an 80% tougher main display, it seemed to have it all. Well, almost. It lacked dust resistance, and most notably, the phone was significantly heavier than an average non-foldable smartphone.

In contrast, the Fold 4 doesn't make the same compromise as its predecessor when it comes to battery size and weight reduction. You can attribute this improvement to the new slimmer, rotational hinge mechanism. Samsung had previously employed a gear-based design for all its Galaxy Z Fold devices. However, the introduction of the new single hinge mechanism not only results in a lighter phone but also paves the way for thinner foldables.

Display

Despite some slight alterations, the Fold 4's display sizes have remained consistent, both on the front and inside, albeit with much slimmer bezels. The cover display is a 6.2″ HD+ unit, while the unfolded inside reveals a 7.6″ QXGA screen.

Samsung has employed a Dynamic AMOLED 2X panel on both sides, featuring a 120Hz adaptive refresh rate. However, similar to last year, only the main display incorporates LTPO backplane technology, allowing for a variable refresh rate ranging from 1 to 120Hz.

Samsung emphasizes improvements in the layer structure to reduce external shock damage on the main display. The crease has also undergone minor refinements, incorporating a new enhanced adhesive on the PET screen protector, among other adjustments. It is now reportedly less conspicuous compared to the Fold 3 but not at the same level as what is achieved by OPPO's foldables.

Performance

With regards to execution, the Overlap 4 brings your standard chipset redesign. Presently fueled by Qualcomm's 2022 mid-year invigorate, the Snapdragon 8+ Gen 1. In light of TSMC's 4nm cycle hub, this chip supposedly conveys great power effectiveness which ought to bring about better battery perseverance here. Supplementing the 8+ Gen 1 is 12GB LPDDR5 Smash and 256GB to 1TB of UFS 3.1 interior stockpiling.

Samsung has presented some truly cool programming highlights too. Most importantly, the telephone runs on Android 12L-based One UI 4.1.1. The One UI 5 (Android 13) update is now accessible for the Overlap 4, coincidentally. Planned explicitly for huge screens and foldable gadgets, this rendition of Android presents some supportive performing various tasks highlights including a PC-like "Taskbar" on the base piece of the primary presentation.

Cameras

The cameras have seen a robust upgrade, albeit following the same layout as before. Samsung has replaced the 12MP trio found in the last two generations of Fold devices with a 50MP wide lens, a 12MP ultrawide lens, and a 10MP telephoto camera featuring 3x optical zoom and 30x Space Zoom. Notably, both the wide and telephoto sensors are optically stabilized.

On the flip side, the 10MP camera on the cover display remains the same. However, Samsung claims that the second-gen 4MP under-display camera (UDC) on the main display now utilizes a scatter-type sub-pixel arrangement, making it much less noticeable compared to the one on the Fold 3. Samsung asserts a 40% denser pixel density for this upgrade.

Beyond hardware improvements, there are also some noteworthy computational photography features to look out for. This includes Nightography for enhanced low-light images, a larger zoom map on Capture View Mode, Dual Preview, and more.

Rest of the features

The Galaxy Z Fold 4 comes equipped with the same 4400mAh battery as the Fold 3, accompanied by similar charging speeds. This includes 25W wired charging, 10W wireless charging, and 4.5W reverse wireless charging support.

In terms of wireless connectivity, options include WiFi 6E, dual SIM 5G, NFC, Super Wideband (UWB), and more. The phone supports the use of NTC or Ncell eSIM. Furthermore, the Galaxy Z Fold 4 features the same stereo speakers as its predecessor with Dolby Atmos audio. For security, it retains the reliable side-mounted fingerprint reader, Samsung Knox, and Samsung Knox Vault support.

Samsung Galaxy Z Fold 4 Specifications:

Body

263 grams, IPX8 water-resistant, Corning Gorilla Glass Victus+, Armor Aluminum frame

        Folded: 155.1 x 67.1 x 14.2 – 15.8mm

        Unfolded: 155.1 x 130.1 x 6.3mm

Display

Cover: 6.2″ Dynamic AMOLED 2X, 120Hz adaptive refresh rate (48-120Hz)

Main: 7.6″ Dynamic AMOLED 2X, 120Hz adaptive refresh rate (LTPO)

CPU

Octa-core

        1x Cortex-X2 (3.19 GHz)

        3x Cortex-A710 (2.75 GHz)

        4x Cortex-A510 (1.80 GHz)

GPU

Adreno 730

Other Properties

Corning Gorilla Glass Victus+ (Cover display), HDR10+

Resolution

Cover: HD+ (2316 x 904 pixels), 23.1:9 aspect ratio

Main: QXGA+ (2176 x 1812 pixels), 21.6:18 aspect ratio

Chipset

Qualcomm Snapdragon 8+ Gen 1 5G (4nm Mobile Platform)

RAM

12GB LPDDR5 RAM

Storage

256/512GB/1TB UFS 3.1 storage (fixed)

Software & UI

Android 12L with Samsung’s One UI 4.1.1 on top

Rear Camera

Triple (with LED flash)

        Primary: 50MP f/1.8 sensor, DPAF, OIS

        Ultrawide: 12MP f/2.2 sensor, 123ยบ FOV

        Telephoto: 10MP f/2.4 sensor, 3x optical zoom, OIS

Front Camera

Outer: 10MP f/2.2 sensor

Inner: 4MP f/1.8, second-gen Under-Display Camera (UDC)

Security

Side-mounted (capacitive), Face unlock

Sensors

Accelerometer, Barometer, Gyro, Geomagnetic, Hall, Proximity, Light

Connectivity

Dual-SIM (Nano + eSIM), Wi-Fi 6E a/b/g/n/ac/ax (dual-band), Bluetooth 5.2, GPS / Galileo / Glonass / BeiDou, NFC, UWB, 4G LTE (VoLTE), 5G

Battery

4400mAh battery with 25W wired charging

Wireless Charging

Yes (10W), 4.5W reverse wireless charging

Colors

Phantom Black, Graygreen, Beige

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