The process is only one aspect, there are many factors that actually affect the processor: such as architecture, frequency, cache size, and so on.
Let me give you an example, the same comparison between TSMC 7nm and Snapdragon 870:
CPU: Tianji 900 single-core performance improved by about 11%, multi-core performance improved by about 25%
GPU: Tianji 900 performance improved by 30%, slightly reduced power consumption.
Why the difference? The main reason for the stronger CPU performance is the increase in frequency, the large core from 2.6Ghz to 2.86Ghz, and the middle core from 1.92Ghz to 2.09Ghz.
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The GPU is upgraded from 10-core G76 to 16-core G76 and reduced frequency, with multi-core low-frequency operation, which makes the power consumption is slightly reduced while the performance is improved.
Then A14 compared to Kirin 9000, Snapdragon 888 strong, is also such a truth, the process is the same, but the things inside are still very different.
Because the performance of the Qualcomm Snapdragon processor is strong but the power consumption is also very hot, even if the performance is improved a lot, but after the heat is too large, there will still be a situation of frequency reduction. In this case, compared with Mediatek's Tianguet processor, which has low power consumption, performance can also be achieved, production capacity can also keep up, and it is more power-saving, so Tianguet is more popular with domestic mobile phone manufacturers.
The 800U integrated 5G modem not only fully supports independent (SA) and non-independent (NSA) networking in the Sub-6GHz band, but also supports 5G 5G dual-card dual-standby, dual-VONR voice service, 5G dual-carrier aggregation and other cutting-edge 5G technologies, bringing users a more high-speed and stable 5G connection.
Power consumption: The 800U supports MediaTek 5G UltraSave power saving technology, which can dynamically adjust the working mode of the modem according to the network environment and data transmission conditions, helping the terminal to provide users with more lasting 5G battery life.
Low power consumption, the production process of Tianguet is small at the same level, so the power consumption is low, so the power saving.