http://www.techspot.com/article/ ... rmance-degradation/
"reading old files is consistently slower than normal – as slow as ~30MB/s – whereas newly written files, like the ones used in benchmarks, perform as fast as new – around 500MB/s for the well regarded SSD 840 EVO"
"most benchmarking programs write new data that they then read back, which circumvents the problem as it only occurs on old data. However most data used by users is indeed old" |