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Samsung is the best foldable phone! Samsung Galaxy Z Fold6 review: AI-enabled phone efficiency doubles

2024-07-31

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1. Introduction: Samsung's first large folding phone with integrated AI is born

Data recently released by market research firm Counterpoint Research showed that global shipments of foldable smartphones in Q1 2024 increased by 49% year-on-year, the highest growth rate in nearly a year and a half.

This significant growth trend reflects that global consumers' acceptance of foldable screen mobile phones is gradually increasing, and foldable smartphones are gradually becoming a new favorite in the market.

When it comes to foldable screen mobile phones, we have to mention the originator of this category - Samsung.

Since the launch of Samsung Galaxy Fold in 2019, Samsung's folding screen has brought us through 6 years. During these 6 years, Samsung has also gradually improved the form and technology of its own folding machine category.

So far, the one with the biggest changes is definitely the newly released Samsung's sixth-generation folding flagship Galaxy Z Fold6.


Since the previous generation Galaxy Z Fold5 first adopted the innovative ultra-closed precision hinge design, Samsung has made significant progress in its self-developed hinge technology.This generation of Samsung Galaxy Z Fold6 continues to use the self-developed hinge structure, ensuring a smooth opening and closing experience of the device, and also significantly improving the overall sophistication and durability

Compared with the previous generation,This generation of Samsung Galaxy Z Fold6 is further lightened and thinned, with the body weight reduced from 253g to 239g, and the folded thickness reduced from 13.4mm to 12.1mm

In terms of performance, Samsung Galaxy Z Fold6, as this year's flagship folding model, has also seen significant improvements.

It is equipped with the same third-generation Snapdragon 8 mobile platform (for Galaxy) as the S24 seriesThe CPU large core frequency of this processor reaches 3.39GHz, and the small core frequency is also increased to 1.0GHz. In theory, it can start applications at a higher instantaneous frequency.

The Samsung Galaxy Z Fold 6 takes "AI" as its core concept. By integrating the new Galaxy AI technology, it brings a series of AI functions, including photography optimization, text search, image and video retrieval, graffiti, content summary, AI translation and smart summary, etc., demonstrating the powerful capabilities of AI in multiple usage scenarios.

Here are the detailed parameters of Samsung Galaxy Z Fold6:



2. Appearance: Larger size Under-screen front camera gives the phone a complete internal screen


The external screen size of Samsung Galaxy Z Fold6 is slightly larger than the previous generation. It is a 6.3-inch second-generation dynamic AMOLED, and the aspect ratio has been changed from 23.1:9 of the previous generation to 22.1:9. Although the screen size is larger, the feel I pick up is almost the same as the previous generation.

The resolution of the phone's external screen is 968 x 2376 and supports a dynamic adaptive refresh rate of 120Hz.

The surface of the Galaxy Z Fold6 screen is still covered with the tough Corning Gorilla Victus 2 glass, and its scratch and wear resistance is still the strongest among foldable phones.

The Galaxy Z Fold6 is equipped with a 10-megapixel front-facing camera in the center of the top of the outer screen.


Unfold the Samsung Galaxy Z Fold6, the inner screen uses a 7.6-inch second-generation dynamic AMOLED display with a resolution of 2160×1856. It also supports a dynamic adaptive refresh rate of 120Hz, and the screen peak brightness is upgraded to 2600 nits.


On the upper right side of the inner screen, there is still an under-screen camera integrated with an effective pixel of 4 million.


The back panel of the Samsung Galaxy Z Fold6 is made of the same top-grade Corning Gorilla Victus 2 glass as the screen. Its durability and wear resistance mean we don’t have to worry about scratches when it’s in the same pocket with keys or other sharp objects.


The camera module on the back of the phone maintains the classic side-by-side three-camera arrangement, but each lens has a record-textured decorative ring integrated around it, which further increases recognition while reducing the chance of the lens module being scratched.



The top of the phone is equipped with two noise-canceling microphones and exhaust vents, and an independent speaker, forming a stereo field with the main speaker at the bottom.


The capacitive fingerprint button and volume button of Galaxy Z Fold6 are located on the same side. This layout greatly facilitates user operation. Whether it is unlocking or adjusting the volume, it can be easily done with the same hand, improving the convenience and efficiency of use.


The Samsung Galaxy Z Fold6 package comes with a 25W fast charging adapter.

3. Performance and gaming: High-frequency version of Snapdragon 8 Gen3 large foldable high-load Genshin Impact full frame without pressure

In terms of hardware specifications, the Samsung Galaxy Z Fold6 is equipped with the third-generation Snapdragon 8 mobile platform (for Galaxy), standard 12GB of memory, LPDDR5X 8533Mbps+UFS4.0 storage specifications. The Galaxy Z Fold6 we have in our hands is the 12GB+512GB storage version.

We then ran a set of theoretical performance tests on the phone, turning off the phone's memory expansion function during the tests.

——Theoretical performance test


AnTuTu comprehensive performance test, the total score is 1.6416 million points, which is about 8% ahead of the previous generation Z Fold5.

In the GeekBench 6 individual test, the single-core score was 2306 points and the multi-core score was 6930 points, an increase of approximately 15.4% and 30% respectively year-on-year.

Although as a folding screen mobile phone, its heat dissipation performance may not be as good as that of traditional straight screen mobile phones, so it is obviously not comparable to straight screen mobile phones in terms of extreme performance release.

In the Androbench flash memory test, the sequential read speed of 3.82GB/s and the sequential write speed of 3.02GB/s meet the UFS 4.0 standard.

——Game Testing

In terms of game testing, we chose two mobile games, "Honor of Kings" and "Genshin Impact", and tested them in an office environment with an indoor temperature of 26 degrees Celsius. During the test, we used the highest picture quality + highest frame rate for testing (with frame rate priority), and recorded the frame rate, power consumption, energy efficiency ratio and body heating performance in the game.

1. Honor of Kings



First, we tested the Honor of Kings mobile game. Under the extreme image quality and extremely high frame rate, we conducted a 5V5 team battle test for 15 minutes. The game frame rate was completely stable at the 120FPS level. There was no sense of lag on the screen. The average frame rate of the game was stable at 119.95FPS, which is close to full frame operation.


The average power consumption of the game is 3.24W, and the energy efficiency ratio is 37.02FPS/W.



After the game, the maximum temperature on the back of the body reached 40.7 degrees Celsius, and the high temperature area was mainly concentrated on the right side of the camera.

2. Genshin Impact



Then we tested the high-load "Genshin Impact" mobile game. In the highest picture quality + 60 frame rate mode, we ran a map test in Xumi City for 15 minutes. Using this 7.6-inch internal screen for testing, the game frame rate can be stabilized at 59.89FPS, and the frame rate is output in a straight line. Compared with the previous generation Z Fold 5, it is more stable.


In terms of power consumption, the average is only 4.05W, which is lower than that of the Snapdragon 8 Gen3 straight-screen mobile phone. The energy efficiency ratio is 14.78FPS/W, which is even higher than that of the straight-screen mobile phone. It seems that Samsung has done a great job in heat dissipation this time, allowing powerful performance to be released in this high-load mobile game.



After the test, the maximum temperature on the back of the body was only 40.7 degrees Celsius. The temperature control of Samsung Galaxy Z Fold6 is much better than some straight-screen mobile phones, and it is also much stronger than the previous generation Galaxy Z Fold 5.

4. AI test: doubling the efficiency of using the machine is both fun and practical

1. Intelligent portrait


The Samsung Galaxy Z Fold6's Smart Portrait feature has brought revolutionary innovation to mobile photography. It can intelligently convert the portrait photos taken into a variety of different artistic styles, such as 3D cartoon style, business style, and cyberpunk style.

This technology not only injects a unique and personalized element into each portrait photo, but also greatly enhances the fun and creative space of portrait photography.

Users can choose the most suitable style according to their preferences and different shooting scenes, and easily create personalized portrait works.

These works can be shared on personal social platforms to show their unique side and let friends witness their unique charm.

2. Search in circles

Samsung Galaxy Z Fold6 also adds a convenient circle-and-search function. By long pressing the Home button at the bottom of the screen, and then using the S Pen tip (or finger touch) to circle the content you want to search, the system will automatically identify the search type (image, text), and pop up the search content at the bottom of the interface, and you can browse it directly.

With the support of AI technology, searching for content in pictures has become easier.

3. Translation

At the same time, when browsing English content on the Samsung Galaxy Z Fold6, users can select specific paragraphs through simple circle operations and quickly translate them into Chinese.

Moreover, the system has the ability to automatically distinguish and identify different paragraphs, making the entire operation process simple and efficient.

4. Graffiti



Samsung Galaxy Z Fold6 introduces an innovative doodle feature that significantly simplifies the process of artistic creation, allowing even users who lack painting skills to easily create works of art.

Users only need to draw a simple sketch, and AI will automatically recognize these outlines and regenerate new paintings based on them. It also provides a variety of painting styles for users to choose from, making it easy to achieve personalized creation.

In actual application, the Galaxy Z Fold6 can accurately capture the user's drawing intentions. For example, when the user casually outlines the outline of an animal, AI can create a satisfactory rabbit picture based on this outline.

5. Image test: The conventional three-camera image has high saturation and the sample is very pleasing

Samsung Galaxy Z Fold6 has a rear main, long, and wide triple camera module.

The main camera uses a 50-megapixel Samsung S5KGN3 sensor and supports OIS optical image stabilization.

The telephoto lens is a 10-megapixel Samsung S5K3K1 sensor that supports 3X optical zoom and OIS optical image stabilization.

The ultra-wide-angle lens is a 12-megapixel Samsung S5K3LU sensor that supports a 123° field of view.

Next, let us follow the camera to experience the actual photo-taking performance of Samsung Galaxy Z Fold6.

——Main camera






In daytime scenes, the sample photos taken with the main camera give people the first impression that the colors are very pleasing. The light signs, building structures and surrounding green plants all show a high color saturation, and the picture appears very bright and vivid.

Despite this, the sample photos taken did not show any overexposure issues and the details were fully preserved.

--night view






In night scenes, Z Fold6 will intelligently enable the night scene photography mode, extending the exposure time to reduce the brightness of bright areas, ensuring that the anti-glare effect is still excellent even around bright neon signs.

Even when zooming in to observe a huge billboard in a shopping mall, the details are still clearly discernible, demonstrating its excellent performance in suppressing strong light.

——Telephoto






The 3x telephoto lens makes it very easy to capture a sense of atmosphere due to the reduced field of view. The lens supports up to 30x magnification and is equipped with OIS optical image stabilization technology, ensuring that high-quality images can be captured efficiently in well-lit environments with a very high success rate.

In terms of color performance, it tends to output high saturation, just like the main camera, making the photos appear brighter and more vivid in color, which looks very pleasing.

Ultra-wide angle



The ultra-wide-angle lens of the Samsung Galaxy Z Fold6 supports 123 wide-angle shooting, and the 12-megapixel resolution of the picture is also relatively fine. The imaging is relatively pure during the day, and the true colors of buildings such as the sky, green grass, etc. are retained.

6. Charging and battery life: 81 minutes of full battery life, no pressure for daily use

The Samsung Galaxy Z Fold6 has a built-in 4400mAh battery and supports 25W fast charging, 15W wireless charging and 4.5W reverse wireless charging.

In this regard, we also conducted a series of tests on the wired charging speed and battery life of the Galaxy Z Fold6.

——Charging test


Starting the screen-off charging test from 5% power, the Samsung Galaxy Z Fold6's power level reached 21% after 10 minutes of charging, 49% after half an hour of charging, almost half, and 86% after 60 minutes. It finally took 81 minutes to fully charge.

——Battery life test

For the battery life test, we use a professional battery life test tool - Battery Dog produced by Fast Technology for testing.

In the test items, 20% power test will be performed by default. At the same time, all test items including CPU high voltage, CPU multi-threading, AI recognition, image browsing, video playback and web browsing will be checked. By simulating user usage scenarios, the real load is restored to the greatest extent, which is as close to the actual power consumption as possible.

During the test, in order to keep the environmental variables of all model tests consistent and ensure the accuracy of the test results, Battery Dog will automatically adjust the screen brightness to 50%, turn off automatic brightness, and adjust the volume to 30%.

1. External screen battery life


The first is the battery life test of the 6.3-inch inner screen.

After continuous testing by Battery Dog, the battery was measured to 20% remaining, giving a battery life of 7 hours, 23 minutes and 29 seconds. Based on the rate of power consumption, the comprehensive battery life of the Samsung Galaxy Z Fold6's external screen is about 9 hours, which is nearly 2 hours longer than the previous generation Z Fold5.

2. Internal screen battery life


Next is the 7.6-inch internal screen test.

It took a total of 6 hours, 36 minutes and 45 seconds to measure from 100% power to 20%. After conversion, the full-charge battery life can reach nearly 8 hours, which is nearly 1.5 hours longer than the previous generation Samsung Galaxy Z Fold5.

7. Summary: Integrating AI to create Samsung's most powerful foldable bucket phone

As the first Samsung foldable device to incorporate AI, it brings an unprecedented experience to users through a series of innovative AI functions. These functions not only improve users' work efficiency, but also make artistic creation within reach, further enriching users' daily life and entertainment experience.

The Smart Portrait function uses AI technology to convert portrait photos into a variety of artistic styles, adding fun and personalization to photography.

The circle-and-search function simplifies the search process, while AI translation and graffiti creation further broaden the user's creative space, making artistic creation within reach.

Secondly, while further reducing weight and thinning, the Samsung Galaxy Z Fold6 folds seamlessly, hovers at multiple angles, has strong damping and no rebound. It is a near-perfect product in the field of foldable screen mobile phones and still maintains an industry-leading level in folding experience.

It is worth mentioning thatThe Galaxy Z Fold6 can even hover at an angle of nearly 170 degrees. In the foldable screen mobile phone market, it is rare to find a mobile phone that can fold over such a large range. Samsung is truly worthy of being the originator of foldable mobile phones.

In terms of performance, the third-generation Snapdragon 8 mobile platform (for Galaxy) makes the Galaxy Z Fold6 the most powerful large folding phone to date. In our actual tests, high-load mobile games like "Genshin Impact" can output in a stable straight line. This is the first time for Samsung's large folding phone. We can see that this generation of Galaxy Z Fold 6 has made a lot of optimizations in terms of performance, which completely frees us from the inherent impression that "large folding phones have poor performance release".

In summary, the Samsung Galaxy Z Fold 6 not only reaches a new height in hardware performance, but its application of AI technology has set a new benchmark for the smartphone market. The Galaxy Z Fold 6 opens a new chapter in the development of foldable screen mobile phones into the field of AI, and also marks that Samsung is once again at the forefront of technological innovation in the field of foldable phones.