In fact, as early as the MWC 219 conference, Xiaomi released its first 5G mobile phone-Xiaomi MIX3 5G, which is also one of the first 5G mobile phones in the world. We all know that Xiaomi MIX3 is a mature commercial product, and Xiaomi MIX3 5G is also a real 5G commercial product.
Since Xiaomi MIX3 5G version was not sold in China for a long time after its release, it was basically put into the European market, so we didn't get this mobile phone until a long time after its release. Next, some experiences about Xiaomi MIX3 5G version are shared with you.
-appearance introduction
the 5g version of Xiaomi MIX3 maintains the overall design and specifications of Xiaomi MIX 3, such as the full-screen design of the sliding cover, the 6.39-inch FHD+ AMOLED screen, and the 93.4% screen ratio. Of course, the post-unlocking method prevailing in the Xiaomi MIX3 era has also been preserved.
in terms of taking photos, it is consistent with the previous 4G version of Xiaomi MIX3, with 24 million+2 million dual cameras in front and 12 million wide-angle (Sony IMX 363)+12 million telephoto dual cameras in rear, which supports four-axis optical image stabilization.
but in fact, they are essentially two different models except for the same appearance and photos. In particular, the processor of Xiaomi MIX3 5G version was upgraded from Snapdragon 845 to Snapdragon 855, and the independent baseband of Snapdragon X5 was added to support 5G, which naturally caused a lot of reconstruction and changes to the interior of the fuselage, especially the motherboard.
due to the high power consumption of 5G and the mainstream plug-in baseband scheme, the battery capacity of Xiaomi MIX3 5G version has been increased from 33mAh to 38mAh to ensure battery life as much as possible.
——5G experience
Just like when testing other 5G models before, we came to Zhongyuan Road Business Hall of China Unicom in Zhengzhou.
before the experience of 5G-related functions begins, the author briefly introduces that the Xiaomi MIX3 5G version we got adopts the same single card and single mode design as a large number of 5G verifiers, and only one SIM card can be loaded into the card slot, and only NSA networking is supported.
at present, we are not sure whether Xiaomi MIX3 5G version will be officially launched in the domestic market, and we are not sure whether the Bank of China version of Xiaomi MIX3 5G will join the dual-card design.
however, judging from the future development trend of the three existing 5G models sold in China, dual-card design is still very necessary in China.
1, 5G network speed measurement
The martial arts in the world are fast and unbreakable. Fast network speed is the most obvious point that most people can perceive about the 5G network, which is also the most intuitive upgrade compared with the 4G network.
according to public data, in theory, the experience rate of 5G is 1 times that of 4G, the peak rate is increased by 2 times, and the delay is reduced to 1/5. It may take a lot of time to download large files in 4G network, and it will be reduced to seconds in 5G network environment.
this is due to the adoption of millimeter-wave spectrum in the 5G network, instead of the old 3 MHz~3 GHz spectrum used in the first to fourth generation wireless communication technologies. Of course, the latter has the properties of wide coverage and strong penetration, but the problem that the bandwidth is too narrow and the resource allocation is about to dry up is very difficult.
By the way, here are some digressions. The millimeter-wave antenna beam of 5G network is narrow and the antenna length is short, which requires a longer period of layout construction for operators. Not only large-scale Hong Jizhan, but also small-scale millimeter-wave transmitters need to be followed up and added in large numbers. Therefore, in the first year of 5G, it may be difficult for us to experience a perfect 5G network, and it needs to be fully mature.
back to the topic, let's take a look at the speed measurement results of Xiaomi MIX3 5G version under 5G network.
as shown in the above figure, the left is the speed measurement result in the 5G network environment, and the right is the speed measurement result in the 4G network environment.
the 5G network of the operator's business hall we used in the test was in the debugging stage for a long time (the author even complained about it many times), which was extremely unstable and could not reach the theoretical peak under the 5G network.
under such unfavorable test conditions, we can see that the download rate of Xiaomi MIX3 5G version reaches 81Mbps, which is 14 times that of 4G network and 5 times that of the latter.
according to Xiaomi's official data, the download speed of Xiaomi MIX3 5G version has reached 2Gbps at the highest, and 15 minutes of 18p full HD video or 26 MP3 music can be downloaded in one second.
According to Xiaomi, Xiaomi set up a 5G pre-research team as early as 216, and officially launched the design of 5G mobile phones in early 217. In the same year, it opened the connection of 5G signaling and data links in the band below 6GHz, and also opened the connection of mmWave millimeter band.
2. Practical application experience
The speed test (the mainstream speed measuring tool) measures the theoretical transmission rate under the 5G network, so what does it feel like to actually use the 5G network? Next, we will conduct some practical experience tests.
downloading applications in the 5G network environment, which used to take tens of seconds or even longer to download, can be completed in just a few seconds. In the future, with the further development of mobile phone storage technology, we can foresee a future of downloading, installing and opening apps in seconds.
If you pull the progress bar of online video at will, you can hardly see any buffering in the 5G network environment, and the buffering is basically completed in an instant, with almost no jamming.
3, 5G network delay
Compared with 4G, one of the most remarkable features of 5G technology is the ultra-low transmission delay. What is time delay? Take our daily life as an example. In daily life, two people talk to each other to transmit sound information, and the transmission time is 14 milliseconds.
the author's expectation for 5G is not only the network transmission rate, but also the low network delay it claims.
Even before, the expected delay of 5G even reached a somewhat fanciful speed of 1ms. From the actual experience, even with a lower rapid response speed, our network environment and supporting technologies can't be achieved.
Here, I chose the mobile game "Peace Elite" to experience.
compared with 4G network, there is no obvious delay reduction. In fact, at this level, it has nothing to do with terminal manufacturers. At present, in the networking stage of NSA, the user plane is transmitted by 5G, and the control plane signaling is still transmitted by 4G. That is to say, the total delay in dependent networking mode is that the signaling delay of 4G control plane is superimposed on the delay of 5G user plane, and then the delay of Internet is superimposed.
so at this stage, due to the operators, the network delay of all 5G mobile phones can't be significantly improved. We expect that in the slightly distant future, SA networking will kick off the obstacle of 4G control plane signaling delay, and the ideal delay of 1 millisecond will be realized.
-summary
219 is the first year of 5G, and it will take a lot of time to deploy it nationwide. As we said in the text, the biggest problem of 5G popularization is terminals and networks. Here, too, comes the question of which comes first, the chicken or the egg. The terminal may say how to use it without a network, and the network may say how to provide services without a terminal.
based on our many and varied experience records, there is still room for development in both terminal and operator networks.
at the terminal level, the types and quantities of models launched by Huawei, ZTE and vivo are still very few, and the coverage of the three brands is also very limited. At this time, we really need Xiaomi, one of the giant manufacturers, to cut in as soon as possible, and we need Xiaomi brand's 5G mobile phone to incite more people to join the changing tide.
at present, we don't know whether Xiaomi MIX3 5G version has any plans to return to the domestic market. If it is willing to return, as long as the Bank of China version can solve the design of single card and single standby, which is not suitable for the actual situation in China, then Xiaomi MIX3 5G version is a mature enough 5G commercial mobile phone.
Aside from the 5G attribute, Xiaomi MIX3 5G version itself is an excellent new machine different from Xiaomi MIX3 4G version. As we said before, its SoC was changed from Snapdragon 845 to Xiaolong 855 platform, and the battery was increased from 33mAh to 38mAh. The slider design is also the only one among all current 5G mobile phones.
in February this year, the price of Xiaomi MIX3 5G in Europe was 599 euros, which was about 4,56 yuan (at that time, the cost of 5G chips and components was still very high, and Lin Bin admitted that the 599 euros version of Xiaomi MIX3 5G was basically unprofitable).
now, after a lapse of half a year, although the existence, release time and price of the national bank version have not been announced, due to multiple factors such as the falling cost of components and the widespread Xiaomi 9S 5G version, Xiaomi MIX3 5G will not return, and once it returns, it will definitely give a surprising price.