Thinnest Smartphone In The World – Smartphones are getting thinner day by day. A phone with 8mm metal body used to be pretty thin and supprised in 2014 while this Vivo X5max out to the market, nowadays most high-end phones are closer to 6.6-7mm.

But in a race to make the thin phones, it is the Chinese companies that are pushing the limits in this topic. Only a couple of years ago, the Gionee S5.1 was the thinnest phone in the world as I remember. But within weeks, the all-new Oppo R5 surpassed it.

As in 2020 also we know a lot of company’s trying to thin their new phones. But if you take a look at the new Samsung Galaxy Note 20 Ultra phone, you will forget about the thinnest smartphone idea in your head. I hope Samsung will send me a review unit also. If that happens, I can bring an honest review of Samsung Galaxy Note 20 Ultra. But google pixel 4a released and I have on the way honest review of this fantastic 399$ mobile phone with the decent camera setup.

Is Vivo X5max is still the thinnest smartphone in the world?

Now, we have a new Popular, well-known Chinese company called Vivo. Its new X5Max minutely displaces the Oppo R5 in terms of slimness in 2014. Do you believe that the X5 Max measures 4.75mm? However, most thinness does not mean it can do everything. Ok, So let’s find out in this review. Read on?

Here is the 4.75mm thinnest smartphone in the world

As we have already pointed out in the top of the article, the Vivo X5Max is still the slimmest phone in the world that is available in the market. It measures a 4.75mm and weighs 146 grams only. At the same time, it is super thin and also quite large. With its 5.5-inch screen, it was decidedly a phablet in 2014. But in 2020 it’s just nothing compared to this year released smartphones.

The thin frame makes holding the bigger screen phone easy for every hand size. The bigger screen and the straight lines make it difficult to use the phone with a single hand for some users. The fingers do not wrap around it as easily as they do with other phone models that have curved edges, and while using the mobile, the thumb movement of my hand covers only the bottom half of the screen.

It’s the frame. It is crafted out of full metal. Also, the back cover of the phone is largely made of metal, and only the top and bottom sections of the phone have only plastic. This situation also makes the phone quite similar to the Apple iPhone 5. As we remember iPhone 5, of course, did not have plastic on the back, but It had a glass.


Vivo x5 max use 5.5-inch screen with Super AMOLED panel. This is the same display technology that Samsung uses in its latest Galaxy smartphones in 2014 to today. It is one of the rare non-Samsung phones with Super AMOLED panels. It has a pin-sharp 1080p resolution. This bigger screen on the X5Max shows vivid colours that pop out. The colours certainly look oversaturated for me, but the display is pleasing to the eye.

The viewing angles of the mobile screen are excellent for me. It is also adequately bright in daylight also. It is not like bright as the Samsung’s Super AMOLED screens of the Note 4 and the Galaxy S5.


As the main camera you get 13-megapixel sensor supplemented with a LED flash and an f/2.0 aperture. The performance of the camera is a quit ok. The phone can take some excellent shots in daylight, but in low-light images lack details and have noise. The camera app is fast, so on most occasions, you will not miss out most shots that involve moving subjects or persons unless you are using HDR mode, which is pretty slow.

Overall, the camera performance is average. Well, it is good for the price you paid, but it does not match with the Samsung Galaxy S5 and the LG G2, which sell for the same price that days.
The front has a 5-megapixel camera on the phone, and it takes decent selfies in daylight, but then again for the price, there are a few phones such as Gionee E-Life E7 that gave you decent selfies.

You can shoot 1080p video at 24 frames per second. I know this is not a big deal, but in 2014 The footage is sharp and clear although when used in settings when there is no sunlight, Honestly, it is easy to see noise in the recorded videos.


Chinese smartphone brands are well-known for their custom user interface in Android phones. Vivo has adopted a style that tries to mix and match with elements of iOS with Android. Therefore, while the phone is mainly based on Android 4.4 KitKat, the phone lacks a dedicated app drawer. That means in a home screen, and there is a combination of widgets and icons spanning multiple pages.

The Apple famous iOS influence is evident in software found in most Chinese smartphones that days, I know this is similar in 2020 also. A lot of Chinese company copied the apple style Vivo took this to an entirely different level in 2014; it is just not the stock theme of the phone or the design of the icons.

Vivo X5MAx camera app was almost similar to the camera app found on the iPhone. This also means that it is elementary to use and is straightforward for the average user. The same story is followed in the gallery app.

Vivo preloads the phone with many apps, but these are mostly useless for me. These useless apps cannot be uninstalled from the phone and if you need to do that you need to root your phone. Also, it is worth pointing out that an Android Lollipop update could come quite late or may not come to the X5Max.

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Vivo X5Max was powered by Qualcomm’s new Snapdragon 615 octa-core processor. Snapdragon 615 is an octa-core CPU clocked at 1.5GHz with 64-bit support for Android Lollipop. Vivo X5Max has 2GB RAM and 16GB of internal storage. I know it’s crazy. I mean today every phone have at least 3 GB of RAM with 32gb ROM.

This hardware makes X5Max a fast phone at that age. The Qualcomm’s Snapdragon 615 is a mid-range chipset in 2014, we have seen it in some very common devices like the Yu Yureka and the HTC Desire 820 in that time. Like the devices above, the X5 Max is fast in terms of both multitasking and the control of the UI. Navigation of the UI is fast, and the animations transition were pretty fast.

In terms of graphics to the phone is no slouch as it is able the render games like Dead Trigger 2 or Asphalt 8 with high-quality visuals and minimal frame rate drops.
The only issue that I face with this phone is the overheating after 15-20 minutes of usage. I think this happened because of the combination of the metal body, the octa-core CPU and slim design with slight ram means the phone gets hot after 15 minutes of gaming or web browsing.

Almost all high-end phones got hot under the back cover in 2014, but the Vivo X5Max does not pack a truly high-end tier processor like Snapdragon 801 in 2014. Hence, rising temperatures are probably not surprised as a result of the thin metal body and lack of ram.

You get 3.5mm jack headphone, charger and data cable in the box

Battery Life

Vivo X5Max Battery life is disappointing for me. In normal usage, the phone fails to last at least one full day of use by one charge. The 2,000mAh of phone battery did not have enough to power both the processor and the big 1080p screen. On average, I found that the phone delivered around 11-12 hours of battery life, which frankly is not great for a phablet. Specially In 2020.

Our final thoughts about the thinnest smartphone in the world?

It is the world’s thinnest smartphone with 4G LTE support and an Octa-Core processor. Moreover, the Vivo X5 Max is their flagship offering in the Indian market and stands out for its thin frame. The Vivo X5Max is an incredible 4.75mm slim phone launched in December 2014. The Vivo X5 Max has 5.5-inch full-HD Super AMOLED display.

It runs Android 4.4.4 with Vivo Funtouch OS 2.0 UI and it has a 64-bit octa-core Qualcomm Snapdragon 615 mid-range processor with 2 GB of RAM. The smartphone has 16 GB inbuilt storage, and it can be expandable via microSD card (up to 128GB).

It also has a 13-megapixel primary rear camera with LED flash and Sony IMX214 sensor, while also it has a 5-megapixel front-facing decent camera. The X5Max is a dual-SIM device, and it supports 4G LTE network on both SIMs.

But you know sometimes being the thinnest smartphone mean not everything. Just as a phone with a slim figure does not always deliver excellent performance in the real world, the Vivo X5Max lightweight smartphone that I ever had in my hand. It is not a bad phone. It works well, has a good screen and good looks. But the problem is, can it fulfil our needs?

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