joema2 wrote in post #14644235
Article says: "Unfortunately there's a big performance difference between the SD card slot and the CF card slot. If Canon had chosen to support the UHS-I standard, we'd get roughly equal performance."
The Nikon D800 supports UHS-1 yet its raw writing speed to SD is only 60% of the rate to CF.
Article says: "Unfortunately there's a big performance difference between the SD card slot and the CF card slot. If Canon had chosen to support the UHS-I standard, we'd get roughly equal performance."
The Nikon D800 supports UHS-1 yet its raw writing speed to SD is only 60% of the rate to CF.
I can confirm that. The 95mb/s SDXC card is about on pair with the write speed of 60mb/s CF card. BUT, SD card is much cheaper than CF per GB and can plug into the MacbookPro without card reader! 
The reading speed is faster too.
Check your card speed here:
http://www.robgalbraith.com …i_page.asp?cid=6007-12452
