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MicroSD UHS-1 C1+ / C0 Linux+for ODROID-C1 / C2 / C1+
Manufacturer Part Number : Sandisk SDSDQAD-08G/16G
Interface : UHS-1 SDR50
Sequential Write speed : 10MB/sec
Sequential Read speed : 40MB/sec
Pre-installed Ubuntu 14.04 or latest version.
Ready to run out of the box
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Insert the SD Card in this way
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Storage I/O comparison
To obtain the results in the storage I/O comparison graph, type the following lines at a command prompt. The first command tests the write speed, and the second command tests the read speed:
$ dd if=/dev/zero of=test.tmp oflag=direct bs=500K count=1024
$ dd if=test.tmp of=/dev/null iflag=direct bs=500K count=1024
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| Media access performance | RPi2 Model B | ODROID-C1+ | | eMMC Read (MB/s) | NA | 62.2 | | eMMC Write (MB/s) | NA | 25.1 | | MicroSD UHS-1 Read (MB/s) | 19.2 | 32.5 | | MicroSD UHS-1 Write (MB/s) | 13.1 | 14.2 |
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If you use the eMMC storage, you can get about two to three times faster storage I/O read performance. However, an affordable microSD UHS-1 card can still achieve reasonably fast speeds thanks to the advanced SD 3.01 host controller in the S805 processor. The MicroSD card read performance on C1+ is still about 1.7 times faster then RPi if you use the UHS-1 memory card. |
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