SD vs Compact flash in terms of reliability?

10 years 3 months ago #338001 by Dan Spade
I was just looking over an interesting post on a friends Facebook page talking about memory card reliability.  He was saying that compact flash cards are more stable, faster and dependable card to us.  Which is why the manufactures are still using these cards in the top cameras. 

I guess I would like to know if there is any solid benchmark test of this.  Something more than just one persons personal opinion from his experiences?


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10 years 3 months ago #338037 by effron
I can only speak for myself, I've had problems with two SD cards, and never had any issues with a CF. YMMV, of course....;)

Why so serious?
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10 years 3 months ago #338047 by David Hutnik
I've only experienced a failure with a Transcend SD card, no issues with CF at all.  


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10 years 3 months ago #338055 by Flash Steven
I've heard similar stories about SD cards, personally I have not experienced any problems with either.  I guess I'm one of the lucky ones!

Canon 7D w/grip, Canon 40D, Canon 70-200mm f2.8 IS L Canon MPE 65mm f2.8 macro; Sigma 70-300mm f2.8; Sigma 150mm f2.8 macro; Sigma 8-16mm f4.5-5.6
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10 years 3 months ago #338069 by TCooper
No problems with either, what brand were they referencing? 


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10 years 3 months ago #338099 by Conner

David Hutnik wrote: I've only experienced a failure with a Transcend SD card, no issues with CF at all.  




These are the worst cards to have IMO


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10 years 3 months ago #338119 by Alex
Same here, I have not had any cards fail.  I think this is a loaded question, as the brand of card plays an important roll in reliability.    There are a few good brands, personally I prefer the San Disk Extremes.

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10 years 3 months ago #338143 by Hoss
:agree:  most cases of memory going bad, it's cheaper memory


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10 years 3 months ago #338171 by Allen D
I have wondered if larger memory cards like 256gb+ are more likely to fail then smaller ones.


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10 years 3 months ago #338421 by Ruby Grace
I don't think so, just make sure your format your larger cards after each use. 

Canon EOS 5D Mark II, 17-40mmL, 24-105mmL, 100-400mmL, 300mm f/4L IS, Sigma 12-24mm, 430EX, Extension tubes
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10 years 3 months ago #338453 by Joves
The only part of your post of a CF card over an SD, is that the CF cards are faster, or will be. They load the information over a larger bus, and handle larger files. Which is one of the reasons they they are why the upper end cameras use them still. I have only ever had both fail, and both were not my usual cards, they were Kingston cards that were the only ones I could get in an emergency situation. In reality both cards write faster than the cameras require for still photos, it may be different for video, but since I do not care about video, I do not care. :P


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10 years 3 months ago #338563 by Office Guy
:agree: stick with SanDisk and be done with it


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10 years 3 months ago - 10 years 3 months ago #338655 by Stealthy Ninja
Only cards I've had fail are CF cards (they were some off market brand that couldn't keep up with video bitrates and caused me no end of freakin' trouble (despite them being rated to be able to keep up with video)

Funny enough I use the same brand for photography and they're perfectly fine.  I even used those cards for video shooting with no problem.  NOT the same series of cards though, just the same brand.  I think that brand has some QQ issues or something.  Anyway, if I bought again I'd go a more popular brand.

Good quality (brand name) cards though I've never had fail.
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10 years 3 months ago #338753 by Kenya See
I have accidently washed a SD card and it still worked.  Mind you I let it dry for nearly a week.


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10 years 3 months ago #338961 by JaneK
I've heard people doing the same and drying out cards in rice


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