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Home > New Gear > Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT: Which offers the best value for money?
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Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT: Which offers the best value for money?

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT: Which offers the best value for money?

By  Linky Johnson 2019-03-12 2933 0

The age of Snapdragon 855 has finally arrived. Lenovo Z5 Pro and Xiaomi Mi 9 try to become the first smartphone to release the Snapdragon 855. After the Xiaomi Mi 9, Vivo has also released a new brand of iQOO mobile phone, which also uses the Snapdragon 855 processor. These three smartphones all use Snapdragon 855 processors, and focus on cost-performance and are priced at around $400. Today, we will make a detailed comparison to see Lenovo Z5 Pro GT, Xiaomi Mi 9, and vivo iQOO, who is the king of the price-performance ratio among Snapdragon 855 smartphones.

Appearance: Lenovo has a super high screen to body ratio

On the screen, all three mobile phones use the AMOLED screen, and also have optical fingerprints, but Lenovo Z5 Pro GT and Xiaomi Mi 9 adopt the fifth generation of optical fingerprints, and vivo iQOO adopts the sixth generation of optical fingerprints. 

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT design 

In terms of screen appearance, Lenovo has adopted slider design, and the proportion of screen is higher than iQOO and Xiaomi 9.

Xiaomi 9 and iQOO adopt the current common water drop screen design. If only from the front, the two screens are identical in shape, you can not even tell which is which.

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT notch design  

Lenovo, which uses sliding design, is obviously better than others in terms of screen proportion. Of course, it comes at a cost, and Lenovo is thicker in body thickness.

In terms of screen material, Lenovo Z5 Pro GT uses a Samsung Super AMOLED screen with a size of 6.39 inches. Xiaomi 9 uses Samsung's AMOLED screen, which is 6.39 inches in size, but only 90.7% of the water droplets above the screen. The iQOO screen is similar to the size and shape of the Xiaomi. It’s 6.41 inches in size, and it also adopts the AMOLED screen.

In terms of the bottom chin width, the three phones are equally horizontal.

In terms of the border, there are some differences among the three mobile phones. Xiaomi 9 uses a round metal border, which makes it more comfortable to hold, while iQOO uses a metal waistline design. The shape of the border is specially optimized for game holding, so it is convenient to hold the mobile phone horizontally when the screen is horizontal.

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT border 

Lenovo is quite different from the previous two. Because of the sliding screen design, Lenovo Z5 Pro GT has a double-layer structure on the side and a thicker thickness. Xiaomi uses the conventional arc border design. IQOO uses cut-edged metal waistline design, and the blue waistline looks full of personality.

From the bottom interface, Lenovo and iQOO adopt the design of one-sided opening, while Xiaomi uses the design of symmetrical opening. In terms of interface, all three mobile phones adopt the USB Type C interface, but due to design reasons, there are two screws on both sides of iQOO's USB interface.

From the top design point of view, only iQOO retained the 3.5mm headphone interface. The infrared transmitter is unique to Xiaomit. Why does Xiaomi love the infrared transmitter? Of course, it is for the smart home layout of Xiaomi IOT. At the top of Lenovo is a SIM slot, which may be related to the internal structure of the sliding cover.

If you want to know the differences of the three phones in terms of appearance, you should focus on the back of the three mobile phones. In addition to Lenovo using lens axis layout, the other two mobile phones are using the upper left corner vertical design. The back of the three mobile phones is made of glass. The Lenovo adopts the carbon fiber texture, iQOO uses light track texture, and Xiaomi has no texture.

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT back design 

As for which looks better, it's entirely a personal aesthetic difference. In addition to these, iQOO has some more personalized designs. The vertical line in the center of the mobile phone is a hidden light band. There are different lighting effects in games, charging and calls, which are very cool.

Finally, let's take a look at the left buttons of three mobile phones. Lenovo puts the volume button on the left, while iQOO puts an AI button on the left, and so does Xiaomi.

CPU performance

As the same price of the three models of snapdragon 855 mobile phones, their performance is the focus of our attention. Let's start with the separation of the three mobile phones. 

GeekBench's running points 

Sure enough, GeekBench's running points are basically the same in all three mobile phones. Whether it is single core or multi-core, the difference is almost small. It can be counted within the error, and it is the normal level of 855. So we still need to look at three mobile phones to 855 GPU scheduling tuning.

From the results of 3D Mark graphics, iQOO has a clear advantage. Xiaomi 9 is similar to Lenovo Z5 Pro GT, hovering around 67,000.

3D Mark graphics 

Why is it that the 3D Mark score of iQOO is about 7% higher than that of the other two models? At present, only the tuning optimization of 855 can be used to explain why. Although both models use the same model, the optimization of system and SOC coordination is equally important for mobile phone manufacturers.

Excellent system scheduling mechanism and underlying optimization can bring users a better experience. As an international mobile phone manufacturer, vivo has more experience. However, these problems can be solved through the optimization of the later system, which is not a disadvantage.

If we look at the Antutu running points, the situation is different. Xiaomi topped the list with 370,000 points over iQOO and Lenovo Z5 Pro GT. From the point of view of the three running points softwares, the running points of the three snapdragon 855 mobile phones are almost the same.

Antutu running points,  

Regardless of the score, all three mobile phones have no problem playing games. After all, 845 can cope with most of the games on the market at present, let alone upgrade the GPU to 855 with 20% performance.

We wanted to use GameBench to test the frame rate of three mobile games. However, because Xiaomi 9 can not use GameBench to detect the frame rate at present, we temporarily postpone the comparison of the frame rate of the three mobile phones, and then test it separately after Xiaomi 9 supports GameBench.

In terms of the performance of snapdragon 855, the full frame of the game is not too big a problem. The problem is how long the full frame of the game can last, whether SOC can exert its strength with full blood. We should also focus on the ability of heat dissipation of the mobile phone.

So we tested the temperature of three mobile phones after 30 minutes stimulating the battlefield. The results are as follows.

It can be seen that the iQOO with liquid cooling is the lowest temperature among them. The highest temperature is only 38 degrees. The temperature control is excellent. The Xiaomi temperature is about 43 degrees, which is not too high. Lenovo's heat dissipation is relatively weak due to the sliding cover mechanism, but it is enough to ensure the smooth game. 

Camera performance: Xiaomi has the most powerful hardware performance

In terms of photography, the three mobile phones have different configurations:


Lenovo Z5 Pro GT
iQOO ( Vivo )
Xiaomi Mi 9
Front Camera
16 MP + 8 MP infrared camera
Binucleus 12.0MP
Rear Camera
16 MP + 24 MP primary camera IMX576
Binucleus 12.0MP primary camera IMX363 + 13.0MP wide angle + 2.0MP depth of field
48.0MP primary camera IMX586+ 12.0MP telephoto + 16.0MP wide angle


From the hardware point of view, the configuration of Xiaomi 9 is undoubtedly the most luxurious, using the latest IMX586 set of meals, with three focal segments. Its shooting scenes are more abundant. IQOO uses the flagship IMX363CMOS, which was widely used in the industry before, and its daily use is enough.

Lenovo uses 24 million IMX576, and the photographic effect is good.

From the hardware point of view, Xiaomi has won. Of course, hardware is one aspect. Algorithms are equally important for optimizing mobile phone photos, so let's take a look at the samples.

It can be seen that iQOO mobile phone is better than the other two mobile phones in the color and brightness of the photos, while Xiaomi with 48 million pixels is more delicate in detail. The color of Lenovo is more realistic. As there are not too many AI enhancement marks, it looks more natural. 

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT camera 

Of course, there is no absolute good or bad performances of these photographs. Whose image do you like better? You may as well forget the model, remove your prejudice against the model, and have a careful look at it.

In self-shooting, iQOO is brighter and the color is more saturated. Although the brightness of Xiaomi is slightly lower, the beauty algorithm is still good. Lenovo has a slightly darker background, and of course retains more skin details. As for which one is the most beautiful, you choose it.

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT self-shooting 

Battery performance and fast charging: vivo iQOO the best

In terms of endurance, Xiaomi 9 uses a 3300 mAh battery. IQOO uses a 4000 mAh battery and Lenovo Z5 Pro GT uses a 3350 mAh battery. In terms of battery capacity, iQOO is significantly ahead of the other two mobile phones.

In terms of fast charging, iQOO also leads the other two mobile phones by a large margin. The unique 44W fast charging of iQOO makes it the leader in charging speed. How fast is it? You can see the picture below.

Xiaomi Mi 9 vs. vivo iQOO vs. Lenovo Z5 Pro GT  fast charging  

It can be seen that with a 11V-4A charger, the charging speed of iQOO with 44W power is much faster than that of Xiaomi and Lenovo. You know, iQOO battery capacity is also much higher than 3,300 mAh Xiaomi 9, up to 4,000 mAh power.

With QC 4.0 charging protocol, Xiaomi 9 with 27W power followed. It can charge 58% in half an hour. At the end of the list is Lenovo Z5 Pro GT, which uses QC3.0. It seems that Lenovo should follow up the QC 4.0 agreement as soon as possible.

Of course, in addition to cable fast charging, Xiaomi 9 also has 20W wireless fast charging, which is not available in the other two mobile phones. As we can not find a reference, we will not compare them.

OS: iQOO is the best gaming phone while Xiaomi Mi 9 is the best phone for smart home service

Systematically, all three mobile phones adopt Android 9-based systems, but the three have different ways of interaction. Let's start with system navigation.

In fact, today, the major manufacturers have almost the same function. It is often the design of system details and interaction that can reflect differences.

We are all familiar with the interaction of Xiaomi and vivo. Let's take a look at the interaction of Lenovo Z5 Pro GT.

The bottom scratch returns to the upper level, the top scratch pauses back to the desktop, and the bottom of the side slides inward into the multi-task. This interaction is actually quite smooth, of course, people who have not used it need to be familiar with it for a while.

In addition to Lenovo, the other two are all smart voice assistants. Let's take a look at their comparison.

The two voice assistants have different emphasis. Xiaoai is built on different IoT terminals to build a whole set of intelligent ecosystems, while Jovi focuses more on Intelligent instructions to facilitate life through preset learning.

Looking carefully, you will find that most of Xiao Ai's internal pages are based on simple instructions of "listening", which is conducive to the interaction of IoT devices under Xiaomi, while Jovi's combination instructions can add functions freely, thus forming an automatic and convenient operation.

It can be said that they can help you solve the problems in life, but Xiao Ai is more connected with smart home, Jovi is more focused on the mobile phone itself.

Of course, iQOO and Xiaomi have their own game space. Although the game magic box on iQOO has appeared on previous generations of vivo phones, Game Turbo on Xiaomi is still the first time to appear. Let's see their comparison.

Game Turbo game mode of Xiaomi 9 can enhance the touch of the game, and has the functions of game display effect, customized sound parameters and so on.

IQOO is upgraded to vivo multi-Turbo on the basis of vivo Dual-Turbo, which integrates multi-dimensional optimization of network, heat dissipation, AI, game and the underlying central core resources; it also brings game magic box function to gamers, which can focus more on the game experience.

In addition to the game magic box, don't forget that iQOO also has virtual pressure buttons and light band additions.

iQOO virtual pressure buttons and light band 

Generally speaking, if you are a game enthusiast, it's always right to choose iQOO. No matter what kind of game experience you have, iQOO is a game mobile phone. Of course, if you are more interested in Xiaomi system and Xiao Ai voice assistant, or you have a complete set of Xiaomi appliances at home, Xiaomi Mi 9 is the right choice. If you are interested in sliding interaction and full screen, you can try Lenovo Z5 Pro GT.


 You may also want to read:
 vivo iQOO vs. Xiaomi Mi 9: what are their features and how to choose?
 Xiaomi Mi 9 vs. vivo iQOO vs. Huawei Honor V20: the battle of budget flagship smartphones 2019
 First Qualcomm Snapdragon 855 mass production phone Lenovo Z5 Pro GT 855 can be reserved now


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