M2 should be the same architecture as A15. Due to better heat dissipation at the laptop end, the CPU of M2 should not reduce the frequency as A15, assuming that the big core IPC is increased by 10%, the gb5 single core is about 1900 at 3.2Ghz, assuming that the small core IPC reaches the skylake level, the gb5 single core is about 550 at 2Ghz. Multicore gb5 is about 8500.
The Gpus are estimated to be divided into 8-core and 10-core, with the low-priced MacBook Air using 8-core and the higher-priced Mac using 10-core.
Assuming that the 10-core M2 GPU is 40% higher than M1 (the same as the full blood A15), the performance can reach the level of GTX1650Ti, and the power consumption is about 15W.