M2 builds on Apple's integrated-chip approach
Apple's next Mac chip develops the M1 formula, with improvements aimed at graphics, memory bandwidth and media work.

Apple has introduced M2, continuing the transition toward chips designed around the needs of its own computers. The company is emphasizing gains across processing, graphics and memory bandwidth, rather than presenting clock speed as the sole measure of progress.
The integrated approach lets different parts of the system cooperate without treating every task as a general-purpose CPU problem. Video handling is a useful example: dedicated media capabilities can influence an editing workflow in ways that a simple processor comparison misses.
For an M1 owner, the existence of a new generation is not by itself a reason to replace a computer. The relevant question is where the present machine becomes limiting. Buyers moving from older hardware should likewise compare the complete configuration, because memory, storage and cooling help determine the result.
Source: Apple announcement ↗