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If the geekbench score of 7849 is really what an alder lake laptop yields on battery, then it is indeed a very disappointing result. That's barely better than an M1 MacBook Pro!
I'm sure other laptop design would give better scores, but that will be at the cost of lower better life.
For a given per-core power efficiency, it is the CPU with more cores that should be more power-efficient in a MT task, not the other way around! The 12900HK has 14 cores and the M1 only 8.
The 20-thread score is only 4.12x higher than using just 1 thread. That's ridiculously bad and it shows how much performance is limited by the power allocated to each core when the machine is unplugged.
The cinebench R23 score on battery (and with apparently 23W CPU package power on average) appears to be even lower than the M1 score.
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