This year Qualcomm launched two flagship processors, the Snapdragon 888 and the Snapdragon 870. While Redmi K40 is the first Smartphone that is powered by Snapdragon 870. On the other hand, Lu Weibing, president of Xiaomi Group China and general manager of the Redmi brand, said that the Snapdragon 870 is a flagship processor with an excellent balance of performance and power consumption.
Compared with the Redmi K30, the performance of the Snapdragon 870 flagship processor used in the Redmi K40 jumped from about 320,000 AnTuTu scores to 690,000, which an increase of nearly 1.2 times. As Qualcomm’s first dual flagship strategic new product in recent years, what is the performance of the Snapdragon 870? So, let’s talk in detail.
Ultra-high CPU frequency, performance increased by 12%
The Snapdragon 870 uses an enhanced version of the Qualcomm Kryo 585 CPU with a 7nm process. The super large core based on the Cortex-A77 deep customization has a main frequency of up to 3.2GHz, and the performance is very strong. In the case of the same manufacturing process and frequency, Cortex-A77 has a 20% performance improvement compared to Cortex-A76, which is a considerable improvement.
Compared with the Snapdragon 865, which also uses Cortex-A77 to deeply customize the super large core, due to the significant increase in main frequency, the single-core performance is increased by about 12%, and the multi-core performance is increased by nearly 5%.
GPU performance of the first echelon, significantly ahead of Snapdragon 865
In terms of GPU, the Snapdragon 870 on the Redmi K40 uses an Adreno 650 graphics processor. In the off-screen test of GFXBench 5.0, the Snapdragon 870 is ahead of the Snapdragon 865 in all running points, and the graphics performance has an absolute advantage.
The world’s leading AI performance, computing power reaches 15TOPS
In terms of AI, relying on Qualcomm’s latest heterogeneous computing engine (the 5th-generation AI Engine), the Redmi K40’s Snapdragon 870 AI performance reaches 15 TOPS. The stronger AI performance allows the Redmi K40 to perform video blurring, image recognition, and automatic camera shooting.
Scene optimization and speech recognition have a better experience in various scenes and also make sufficient preparations for the application of more AI computing in the future.
In addition, Redmi K40 is equipped with three flagship features: LPDDR5+UFS 3.1+WiFi 6.
Redmi emphasized that the Snapdragon 870 remains in the top echelon of Android phones in terms of CPU, GPU, connection, ISP, and AI. While the performance is soaring, it also has better power consumption control. It is definitely a sustainable performance. Redmi K40 outputs a flagship chip with a strong performance.
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