Xiaomi mobile phone officially announced today that the new Xiaomi Mi 12 series will be released on December 28. The official leaks, Mi 12 & Mi 12 Pro are dual-size high-end flagship phones, all equipped with a new generation of Snapdragon 8. Now Xiaomi mobile phone officially brings “Xiaomi Mi 12 performance debut, Snapdragon 8 all-round interpretation”.
The Xiaomi Mi 12 series, as Mi’s third-generation high-end flagship product, is equipped with the latest and most powerful processor of the Android platform-a new generation of Snapdragon 8 mobile platform. Compared with the previous generation of Snapdragon 888, the new generation of Snapdragon 8 has changed considerably. It not only uses the world’s leading 4nm process but also carries the new Armv9 instruction set that defines the new decade for the first time. The three-cluster CPU architecture is all upgraded, and the new generation Adreno GPU performance has soared, in addition to a new generation of AI engines and Qualcomm’s first 18bit imaging system designed for mobile phones. The swift and powerful performance and the intelligent and powerful AI capabilities are all concentrated in a chip with the size of a fingernail.
The CPU architecture is completely innovative, and the new Armv9 instruction set
The new generation of Snapdragon 8 uses an advanced Samsung 4nm process, and the advanced technology level has brought the number of transistors to a higher level. At the same time, the CPU three-cluster architecture of the new generation of Snapdragon 8 has been fully updated, CPU performance has increased by 20%, and power consumption has been reduced by 30%.
The most important basic change in the CPU is the adoption of the new Armv9 instruction set. This is the first major update to the instruction set since Armv8 was released in 2011. Armv8 has allowed the entire mobile ecosystem to quickly enter 64-bit, and it has played an indispensable role in the past ten years. Armv9 defines the direction of the new decade and provides a new SVE2 instruction set extension. This allows many advanced algorithms written for large servers and even supercomputers to run on mobile platforms such as mobile phones.
Based on the architecture upgrade of the new instruction set, all the cores of the new generation of Snapdragon 8 have been refreshed. Xiaomi Lab used SPECint2006 for an actual measurement. The Cortex X1 super large core was upgraded to Cortex X2, and the peak performance was increased by 16%. The performance of the super large core was improved. Have a stronger speed.
The X2 super core not only has higher peak performance but also optimizes the energy consumption ratio. Under medium and high loads, the performance and power consumption of the same performance is better than the X1 super core on the Snapdragon 888.
The A78 core on the Snapdragon 888 is upgraded to the A710 core, with a performance increase of 11% and an increase in energy consumption ratio. The overall performance is better than last year’s A78 core, and it is the mainstay of high-load scenarios such as 3D games.
The most pleasant surprise is the upgrade of the small core. The new generation of Snapdragon 8 upgrades the A55 core that has been used for several years to the new A510 core, with a performance increase of 34%.
The performance of the small core has soared so that the performance of the new generation of Snapdragon 8 small core has been close to that of the A73 large core of Xiaomi 6 that year. The new generation of the Xiaomi Mi 12 series may be the best time for Xiaomi 6 users to charge their phones.
Measured GPU performance skyrocketed by 52%
Faced with more and more large-scale 3D mobile games, the new generation of Snapdragon 8 is also well prepared. The performance improvement of the new Adreno GPU can be described as brute force. Qualcomm has always had a strong performance on the mobile platform GPU, but this time it still achieved a leap in performance.
The GPU on the new generation of Snapdragon 8 has canceled the traditional three-digit naming method this time and has become the “new generation Adreno GPU” name. Like the CPU, the entire GPU architecture has undergone a major upgrade.
From the performance point of view, the new generation of Snapdragon 8 GPU has increased the graphics rendering speed by 30% compared to the previous generation of Snapdragon 888 Adreno660, the same performance power consumption has been reduced by 25%, and the Vulkan rendering performance has increased by as much as 60%. With enhanced VRS and Snapdragon Elite Gaming technology, the new generation of Adreno GPU has locked the throne of the strongest gaming performance in Android chip history.
According to the latest performance test of Xiaomi Labs, GFXbench’s Manhattan 3.0 off-screen scene, Aztec Ruins scene, and 3DMark’s Wild Life scene test results, the Xiaomi Mi 12 series significantly leads the previous generation of Snapdragon 888 models in many scenes. To a new high, Manhattan 3.0 increased by as much as 52%.
While the performance is improved, the energy consumption ratio of the new generation of Snapdragon 8 GPU is also better. The measured power consumption under the same performance is significantly lower than that of Snapdragon 888, and it will perform more easily in light-load games.
The new generation of Adreno GPU also provides more advanced graphics feature support for the Xiaomi Mi 12 series. The Variable Rate Shading feature supported on the Snapdragon 888 model is upgraded to VRS Pro on the new generation of Snapdragon 8. The new VRS Pro feature makes the scheduling of graphics resources more refined and can be based on actual scenarios Fine-grained VRS rendering is performed on specific locations in the screen, which improves performance while further reducing the impact on the screen.
The new generation of Snapdragon 8 also introduces Adreno motion engine technology, which can calculate and complement the past frame pictures, so that the game motion picture is smoother while maintaining lower power consumption performance. The new stereo rendering technology of Snapdragon Elite Gaming technology makes the volumetric cloud, smoke, and other special effects more realistic, and makes the users of the Mi 12 series more immersive when playing games.
The new generation of Snapdragon 8 integrates Qualcomm’s latest seventh-generation AI engine technology, and the new Hexagon processor has doubled the performance and memory. In addition, the software performance has also doubled the performance of the Snapdragon 888 model. This makes the AI engine performance of the new generation of Snapdragon 8 up to 4 times higher than before.
In Inceptionv3, Mobilent_v2, Resnet50, and VDSR tests, the new generation of Snapdragon 8 has achieved more than twice the performance improvement, up to a maximum of more than four times.
Qualcomm has also added a new AI low-power subsystem for the new generation of Snapdragon 8 sensor hub modules, including AI processors, DSP, memory, and other modules, which can handle voice, sensor connection, and other scenarios with low power consumption. In addition, the new generation of Snapdragon 8 also adds an always-on low-power ISP, which can be connected to an external camera, so that the camera is always on. Combining with the front camera can bring more privacy and security features to users. For example, when a new message is notified, someone peeping next to it will immediately hide sensitive information. Overall, the performance of the sensor hub module has increased by 75%, while power consumption has been reduced by 50%.
The new generation of Snapdragon 8 has the same huge improvement in imaging capabilities. The new generation Spectra ISP adopts a three-way ISP design, which can process up to 18bit data, which is up to 4096 times higher than the previous generation 14bit. It is also Qualcomm’s first 18bit imaging system designed for mobile phones.
Up to 18-bit data, sampling brings a higher dynamic range performance to the new generation of Snapdragon 8. Compared with 14-bit data, users can see more dark details, while highlight details are also preserved. The 18bit processing pipeline can also make the 10bit perform better. By controlling the dark area and the bright area under 10bit for exposure, it can merge into a more beautiful and outstanding photo.
The throughput of the three-way ISP has also been greatly improved, capable of processing 32 trillion pixels per second, significantly ahead of the previous generation. Now, the new generation of Snapdragon 8 can process 100 million pixels at 30 frames per second with a single camera and can process 36 million pixels at 30 frames per second when the three cameras are open.
In order to improve the performance in low-light environments, this ISP system also supports the “Mega Multi-Frame Engine”, which can capture up to 30 frames and perform sample stacking, resulting in higher brightness and higher image quality. Purer photos. In comparison, the previous generation of Snapdragon 888 can only support 6 cards, which is up to 5 times higher.
The new generation of Spectra ISP also incorporates more AI capabilities this time. The AI face recognition capability has been upgraded from Snapdragon 888’s 115 points to 300 points, and the recognition speed has also been reduced from 24ms to 6ms, an increase of up to 300%.
In terms of video, the new-generation Spectra ISP can support up to 8K HDR shooting. At the same time, when shooting HDR scenes, the ISP power consumption is greatly reduced by 50%. With the support of ultra-large bandwidth, it can record up to 64 million pixels while recording 8K video. Photo.
The powerful ISP performance and feature support of the new generation of Snapdragon 8 provides a stage for flagship mobile phones to flex their muscles, and the new Xiaomi Mi 12 series will also bring an unprecedented new evolution in imaging.
As the world’s leading 5G platform solution, the new generation of Snapdragon 8 is equipped with the fourth-generation 5G modem X65. And for the first time, the downlink rate was increased to 10Gbps, which is what we usually understand as 10 Gigabit network speed. On the upstream side, X65 can also support transmission rates up to 3.5Gbps.
In addition, Snapdragon X65 is also the first modem and radiofrequency system that complies with 3GPP Release 16 specifications. It also has an upgradable structure that can be customized and expanded in various segments of the world.
Qualcomm’s leadership in the field of communications has also helped the new generation of the Mi 12 series set a new high in multi-dimensional speed. At the same time, the overall performance is more stable.
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