Speaking of the current flagship mobile game experience, the first reaction of many senior mobile game players is: fever. While the performance of smart phones has been continuously improved in recent years, the power consumption of flagship phones is also higher and higher. Although higher game performance can bring a better game experience, the accompanying body heat inevitably seriously affects the player’s game experience.

In this context, constantly improving the heat dissipation capacity of flagship mobile phones has become the direction of major mobile phone manufacturers. Among various ways to improve the heat dissipation capacity of mobile phones, adding air cooling function to mobile phones is undoubtedly the most controversial one. On the one hand, adding air cooling function can effectively improve the heat dissipation capacity of smart phones. On the other hand, it will also bring various new problems to the design and use of mobile phones.

Red Devils 7

Now let’s talk to you about the real machine evaluation of Nubian Red Devils 7, the latest flagship mobile phone of the game: do our mobile phones really need fans?

Question 1: is it useful to add a fan to the mobile phone?

Many users believe that adding a fan with small volume and power into the small body of the mobile phone can not effectively enhance the heat dissipation effect of the mobile phone in the game. Some users also believe that even if the power of the fan itself is low, the addition of air cooling function will fundamentally improve the heat dissipation conditions of the smart phone. Then we would like to know whether the addition of mobile phone fans can really enhance the heat dissipation capacity of mobile phones.

In order to verify this problem, we conducted a series of performance and game tests with red devil 7 with air cooling function. Before the test, let’s introduce the performance configuration of the protagonist red devil 7 according to the Convention: this evaluation is that red devil 7 is equipped with a new generation of Xiaolong 8 mobile platform, which is the flagship chip of the current Android camp. At the same time, it is equipped with 12gb full blood lpddr5 memory and 256gb ufs3 1. The overall performance of the storage portfolio is configured to the current flagship level.

New generation Xiaolong 8 mobile platform

In the most crucial part of the performance, the Red Devils 7 equipped with a heat dissipation configuration called ICE magic cooling system. It consists of high speed centrifugal fan + Aerospace cooling materials + heat conduction rare earth + Canyon cooling duct + superconducting copper foil +VC heat sink + high thermal conductivity Gel + composite graphene + aeronautical thermodynamics aviation aluminum frame with 9 layers of heat dissipation technology, and the built-in active cooling fan. The maximum speed is 20000 rpm, the wind pressure is 35% higher than that of the previous generation, and the energy consumption is 30% lower than that of the previous generation.

Built in active cooling fan

Next, we will enter the measurement stage. The following performance tests are carried out at room temperature of about 20 degrees Celsius. Red devil 7 turns on the rapid heat dissipation mode. In the benchmark performance test, the running score of Red Devils 7 is 1.03 million, which belongs to the normal level of the same chip model. In the wild life test of 3dmark, Red Devils 7 scored 10026 points, reaching the leading level among the same chip models. It is worth mentioning that the average frame rate of Red Devils 7 in the wild life test was 60 frames, which means that Red Devils 7 did not have the problem of frame reduction in the whole test, which shows that its continuous performance release ability is very excellent.

Benchmark run point data test

Then we conducted a game performance test. In the test of the popular mobile game “original God”, we set the image quality option to extremely high image quality + 60 frames. In the red devil awakening game mode, the measured average frame rate of the 30 minute long game is 60 frames, which is extremely excellent.

“Original God” game frame rate test

It can be seen from the test data of the original God that the red devil 7 with air cooling and heat dissipation has obvious experience advantages in the face of the high load application of the original God. In addition to the heavy load of the original God test, we also conducted a 120 frame mode of the king’s glory 5v5 frame rate test. The image quality option is set to high definition and extremely high frame rate. Under this setting, the game picture data recorded by perfdog shows that Red Devils 7 can enjoy the 120 frame mode of King glory at a stable frame rate of 120 frames, and its frame rate fluctuation is quite small, which well reflects the experience advantage of air cooling and heat dissipation in continuous games.

“Glory of the king” game frame rate test

According to the actual test conducted by professional instruments, after the performance pressure test with the rapid heat dissipation function turned on, the average temperature of the red devil 7 rear cover is 34.8 ° C and the single point peak temperature is 40.9 ° C, reaching the top heat dissipation level in the current smartphone. Through the thermal imaging image, we can also clearly see the hot air flow from the air outlet of the watch frame of the fuselage when the built-in fan is running.

Fuselage temperature test data

However, it should also be noted that the built-in fan of the mobile phone can not fundamentally change the overheating problem of the mobile phone during long-time games. The handle temperature of the red devil 7 is high during the game test.

Through a series of measurements, it can be found that the air-cooled heat dissipation can indeed bring a fairly long-lasting high-performance release performance for the red devil 7. However, due to the limited heat dissipation capacity of the fan in the fuselage, it can not keep the mobile phone in a low temperature state for a long time in the game. At the same time, it can not achieve super heat dissipation effect through the built-in fan itself, so as to improve the ultimate performance of the whole machine.

Question 2: what impact does the addition of fans have on the use?

Through the performance test, it can be found that the addition of cooling fan can indeed improve the game experience of mobile phones. So why is such a cooling configuration only available for a few game phones? The answer to this question is reflected in the red devil 7. Firstly, due to the addition of fans, the body thickness of the red devil 7 has reached 9.5mm. However, the curved back cover design of the red devil 7 also weakens the grip discomfort caused by the increase of thickness.

Red devil 7 holding experience

Secondly, because the fan needs air duct and air outlet, there are three fuselage openings on the fuselage and frame of red magic 7 that are not available in conventional models. This design will undoubtedly reduce the waterproof and dustproof performance of red magic 7. It is worth mentioning that even if there are more fan parts, the body weight of red devil 7 has been effectively controlled. The weight of the whole machine is 215g, which is not much different from that of models of the same level.

Red devil 7 holding experience

Another thing to note is