> recent iPhones contain the same M1 chip as last year's MacBooks I mean, sure, but the A15 bionic is much more power constrained and effectively has less 'GPU

> recent iPhones contain the same M1 chip as last year's MacBooks I mean, sure, but the A15 bionic is much more power constrained and effectively has less 'GPUs' and cores than the M1, likely because the SoC is also constrained by its size within the phone housing.