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How Bad is the Internal Transfer Speed on Sony DSC Cameras?
So I had a Class 4 card, and could do a 10 image High-Res Burst in 13.86 seconds (first press to ready to shoot again). Changed to a 100x UHS-1 card (Class 10), and the speed dropped by a whopping <5% to 13.42 seconds. Just got my should-be-pretty-smokin-hot 32Gb 233x UHS-1...... And 12.96 seconds.
What's going wrong here? The transfer speed on a 233x UHS-1 should be (yeah, yeah, UP TO) 10x faster than a Class 4. But I'm not even getting 1.1x faster than my crappy old MicroSD Class 4.
Sony DSC-TX10
The camera is only ~6 months old (although now discontinued, so probably a two year old design). I do understand that the camera fills its internal flash memory first, then transfers to the card - I just don't get why the transfer rate from internal memory to SDHC would be so slow.
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It's NOT overkill, given that I use the camera for water-based sports pictures, which require burst mode. The ~15 seconds it takes to process the first set of pictures means that I may miss out on a better sequence that happens quickly after. But thank you for telling me how I should be using my equipment.
2 Answers
- Jim ALv 79 years agoFavorite Answer
Stills are different than video. Each still is transferred to the buffer right after it's taken. That data, of course, travels at the speed of light... but is probably stored in the buffer until it's full. When that happens all that data is sent to the card.
It would appear that your buffer is the problem, not the memory card. I don't know anything about
Sony DSC but if it's older or small that could be the problem.
- Petra_auLv 79 years ago
A UHS-1 card is extreme overkill for a point and shoot camera like the Sony TX10. It doesn't need OR require a UHS-1 card and it's processor certainly isn't designed to handle cards of this type...
