Copy-Item is 27% slower than File Explorer
5 days ago
- #windows
- #file-transfer
- #performance
- Drag and drop achieves ~112 MBps, the fastest file transfer method tested.
- Copy-Item in PowerShell averages ~82 MBps, 27% slower than drag and drop.
- sftp reaches ~70 MBps, a 37% reduction from drag and drop, possibly due to encryption overhead.
- robocopy performs at ~25 MBps, 78% slower than drag and drop, despite its reputation.
- rsync (WSL 2) is the slowest at ~13 MBps, 88% slower than drag and drop.
- The author expresses frustration with the significant performance differences between manual and scripted file transfer methods on Windows.
- No scripting options on Windows match the speed of File Explorer's drag and drop functionality out of the box.