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lanefu/sd-seq-write.md

Last active January 1, 2021 21:58
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SDcard sequentional write testing
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sd-seq-write.md

sequentional write tests

hardware

  • pinebook pro
  • usb 3.0 ugreen sdcard reader

benchmark

  • write a random arnbian image approx 1.4G command time dd of=/dev/sdb if=Armbian_21.02.0-trunk-AR-512_Orangepioneplus_focal_dev_5.10.0.img bs=1M conf=fsync status=progress

tests

card brand model color size write speed write time
SanDisk Ultra A1 Red/grey 16GB 3.2 MB/s 7m25.675s
SanDisk Ultra Grey/white 16GB 12.6 MB/s 1m53.361s
Samsung EVO Orange 16GB 10.9 MB/s 2m11.125s
Samsung EVO Orange 32GB 17.0 MB/s 1m24.090s
Samsung EVO+ Red 32GB 12.3 MB/s 1m55.927s
Samsung EVO Select Green 64GB 23.0 MB/s 1m2.049s
Samsung EVO Select Green 128GB 20.7 MB/s 1m9.044s
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