The flash memory cards from various manufacturers make claims of speed -- "Highspeed" from Kingston Memory, "40x" from Lexar (nee Media), Faster flash memory cards cost more; do they outperform under real-world conditions? That's what I was wondering. (Flash memory, despite its flashy name, is actually quite slow. It is much slower than the memory on your computer's motherboard, and much, much, much slower than the memory used by high-end graphics boards. To read how flash memory works, read "How Flash Memory Works".) I devised this speed test for the Canon S1iS: (1) reformat each memory card; (2) turn on... Read more →
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