8gen2 cannot be replaced.
Snapdragon 8gen1 cannot be replaced by Snapdragon 8gen2, because the two core architectures are different. The Snapdragon 8gen1 uses an 8-core design of 1 3 4, while the Snapdragon 8gen2 is expected to use a new 8-core architecture of 1 2 2 3. The area and pin of each generation of chips may be different, because the mobile phone itself does not have to consider the versatility, the chip is optimized design, will not take into account the compatibility problem with the previous generation of the motherboard, and the chip architecture design is different, its external package circuit is necessarily different, so the Snapdragon 8gen1 and Snapdragon gen2 simply cannot be interchangeable.
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We should understand that the performance and power consumption of the mobile phone processor is linked, the better the performance, the higher the power consumption, the need for manufacturers to use smaller manufacturing processes, you can look at the current best is 4 nm, and then it is very difficult, if only to improve the processor performance, then it will eventually be like a generation of Snapdragon 8 known as a generation of fire dragon.