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Kingston UHS-I U3 64GB SDXC Card
Author: Bill Lepse
Manufacturer: Kingston
Source: Kingston
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Page: 3 of 5 [ 1 2 3 4 5 ]
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March 07, 2014

Testing (continued):


In this phase of testing the Kingston UHS-I U3 64GB SDXC card was run through CrystalDiskMark 3.0.3 x64 and compared to a handful of other SDHC cards covering more common speed classes (Class 10, Class 6, and Class 4). The screenshot below shows the CrystalDiskMark interface after testing the Kingston UHS-I U3 card, and this time we do see confirmation that the rated speeds are indeed achievable.

The chart below details the sequential read results, where we see the UHS-I U3 card doubles the performance of the Class 10 card, and quadruples the performance of the Class 6 and Class 4 cards!

When it comes to writing - the results are even more in favor of Kingston's new card! At just over 82MB/s, the UHS-I U3 card is 8x faster than the Class 10 card. Of interest for the other cards is that each was able to exceed their respective bare minimum acceptable speeds by a fraction of an MB/s.

When it comes to reading in 512K chunks the performance drops a bit, but is still very impressive when using the UHS-I U3 card.

The last chart in this section details the results when writing in 512K chunks. And just to keep things interesting, the slowest card decides to put up the best results.

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