The Vixia HF G20 supports a better memory card type than most small total megapixels video cameras that were released around the same time as it. This video camera supports an SDXC compatible memory cards, whereas most video cameras that are a similar age to it support an SD compatible memory cards. In addition, this camcorder supports an SDHC compatible memory cards. SDXC cards are SD cards but with a much higher capacity and faster processing speeds. They have a maximum capacity of 2TB (Terabytes).
An SDXC compatible memory cards is actually the best supported memory card type across all camcorders that came out around the same time as the Vixia HF G20.
A MicroSD (Transflash) compatible memory cards is the worst supported memory card type across similar types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.