I could title this page Best Memory Card for the Canon T4i/T5i . but that would be link bait – this is more about comparing the couple of cards I had laying around to give you some ideas of the differences between cards and shooting RAW or JPEG.

I have been recommending the SanDisk Extreme 45MB/s Class 10 card for T4i/T5i and tonight I thought I would take a few moments and see how it compared to a few other cards I had laying around the house. My semi-scientific test was to stick a card in, shoot for 10 seconds on RAW and 10 seconds on JPEG and count how many photos I could get in that time frame. Bottom Line – If you are shooting JPEGs it doesn’t matter a whole lot but if you shoot RAW, and I recommend you do to get the highest image quality out of your camera, it matters a good bit what card you put into your Canon T4i/T5i (this also applies to other Canons and Nikon cameras too) Another component of the test that I didn’t record is the time it takes the buffer to clear after shooting, with the slower cards it is some time before you can take a burst again, much better with the faster cards.

Eye-fi 4gb Connect X2 Class 6 SDHC Memory Card
RAW: 13 | Large JPEG: 52 | Read/Write Speeds:  21.4/7.9 (average of 4 tests) $44.95
Transcend 16 GB Class 6 SDHC Flash Memory Card
RAW: 11 | JPEG Large: 49 | Read/Write Speeds:  16.1/7.3 (average of 4 tests) $11.64
Transcend 8GB Class 10 SDHC Flash Memory Card
RAW: 13 | JPEG Large: 50 | Read/Write Speeds:  16.8/7.7 (average of 4 tests) $6.75
SanDisk Extreme 16GB 45MB/s Class 10 SDHC Card
RAW: 24 | JPEG Large: 51 | Read/Write Speeds:  43.5/26.4 (average of 4 tests) $23.30
SanDisk Extreme PRO 16GB 95MB/s Class 10 SDHC Card
RAW: 19 | JPEG Large: 48 | Read/Write Speeds:  79.6/44.2 (average of 4 tests) $41.75

Google Doc with Full Test Results

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    • In my only semi-scientific tests, yes. I think we are seeing the camera buffer and write speed being the bottle neck here. I would like to run the test a few more times to be sure but at the very least it doesn’t seem worth the extra cost

  1. It it pretty weird that the 95 MB/s sandisk is slower that the 45MB/s however these are the facts! thanks again! Your tests make my day!

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