Slower cards may produce correspondingly slower clearing times. The Sony RX100 III is faster than the Mark II at powering up and taking a shot (2.0 vs 2.8s), though shutdown is about the same.
The Sony RX100 III captured a larger than average ... the right (taken from ARW files converted with RawDigger), the RX100 Mark III's lens produces moderately high and bright chromatic aberration ...