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[I9001][Benchmark][Nand] Internal Flash Memory - Classic Tools vs dd

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http://forum.xda-developers.com – Hallo, i've benchmarked the I9001 internal nand memory with CrystalDiskMark, AnTuTu and dd (see here). The read speed of dd differs a lot compared to the classic benchmarks (37MB/s vs 19MB/s). Are these dd benchmarks valid at all or why do the classic benchmarks have so much lower values? Could there be anything more responsible for releasing dd too early (SIO scheduler or something)? (HowTos)