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#1 |
New Boot
Join Date: Nov 2008
Location: Sydney, Australia
Posts: 11
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SDHC Class 10 vs. Class 6
Hi Everyone,
I was wondering what are the real-world advantages to using the Class 10 SDHC Cards over the Class 6 ones? Does the Class 10 22MB/sec really make much of a difference compared to the Class 6 20MB/sec? Panasonic's Class 10 SDHC cards -- Engadget Are there any other benefits besides speed? |
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#2 |
Regular Crew
Join Date: Mar 2009
Location: Portland, OR
Posts: 178
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There are no benefits during recording in the camera -- the camera is already writing in real-time whether the media is Class-6 or Class-10.
However, there may be an advantage in copying your footage onto a laptop or computer when you're done shooting. I use Class 6 cards, and with a good reader (reader speed varies widely out there!), a full 16GB card (about 56 minutes of material) copies in less than 15 minutes. In theory, with a proper reader and proper USB bus speed, a Class-10 card could do this significantly faster, perhaps in 9 or 10 minutes, but I haven't tested it. So if you do long shoots where you wind up with 64GB or 128GB of material at the end of the day, or shoots with tremendous time pressure to edit a final piece on a laptop, it's worth your while to at least compare real-world results... but if you just do an hour here or an hour there, Class-10 cards aren't really needed. Send me a new Class-10 card and I'll let you know how well it works! :-) Addendum: The Class ratings refer to -minimum- write speed, not read speed. It is entirely possible that a good card labelled "Class 6" is already performing as well as "Class 10" cards when it comes to read speed, and nearly as well as a "Class 10". |
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#3 |
Trustee
Join Date: Sep 2004
Location: Bristol, CT (Home of EPSN)
Posts: 1,192
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Bob, great and detailed response. Thanks for the info. BTW, whatever happened to Class 8, did it get skipped?
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#4 |
New Boot
Join Date: Nov 2008
Location: Sydney, Australia
Posts: 11
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Thanks Bob for such a great response! :)
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#5 |
Major Player
Join Date: Jan 2008
Location: Orlando, FL
Posts: 558
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Just what I was looking for. The Class 10 cards have come down a great deal in price, only a few bucks difference in some instances. But for what I will be using them for, it just isn't needed. Picked up 2 'class 6' 16GB today.
JS |
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#6 |
Major Player
Join Date: Jan 2008
Location: Orlando, FL
Posts: 558
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Hmmm...on second thought maybe I should've got 10. lol
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