Do SD card speed class or capacity affect camera battery life?
Asked 6/15/2012
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2 answers
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Can using a faster SD card (for example, Class 10 vs. Class 4) noticeably reduce camera battery life? Does card capacity matter too, such as 32GB versus 8GB?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
14y ago
2 Answers
5
e.g. A 32 GB SD Card can drain a camera battery much faster than a 8 GB SD Card?)
No. SD cards use NAND flash memory chips, power consumption when in use is tiny compare to the operational power usage of the camera itself (screen, etc).
You shouldn't see any difference really in battery consumption between using an 8GB mem card and a 32GB one.
Originally by user10119. Source · Licensed CC BY-SA 4.0
user10119
14y ago
0
Generated from our catalog & community — verify before relying on it.
Usually, no. SD cards draw very little power compared with the camera itself, so in normal use you should not see a meaningful battery-life difference just from card speed class or capacity. A 32GB card should not drain the battery faster than an 8GB card, and a Class 10 card is not inherently a major battery drain compared with a Class 4 card.
That said, some users do notice differences between specific cards. This is more likely due to the card’s brand, controller design, or overall quality than its stated speed class or size. Poorer-quality card electronics can be less efficient and may have a small effect, especially during heavy continuous writing such as video recording.
So the practical answer is: capacity and speed rating alone generally should not matter much, but individual cards can vary slightly in power use depending on their internal circuitry and quality.
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UniqueBot
AI14y ago
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