Why is WinSCP file transfer (still) so slow compared to FileZilla?

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innermedia
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Why is WinSCP file transfer (still) so slow compared to FileZilla?

I know it's been asked for years, but why is WinSCP so slow compared to Filezilla for file transfers? I see many reports but no solution. Using the latest WinSCP and Filezilla, uploading Wordpress (1508 files, 28Mb) over Port 21 (unencrypted) we see...

Filezilla: 59 seconds
WinSCP: 2 min 38 seconds

I can't work with Filezilla as it misses basic functions (auto-upload on save). Other FTP programs we've tested can be as slow as WinSCP, so does anyone know how FileZilla manages to achieve so much better transfer speeds?

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martin
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Re: Why is WinSCP file transfer (still) so slow compared to FileZilla?

FileZilla is not faster than WinSCP in general. We have optimized WinSCP for networks configuration we have available. But that are network configurations, where WinSCP does not perform that well, but it's hard for us to solve that obviously.

Though anyway, FileZilla author focuses on performance primarily indeed, at expense of other features. With WinSCP we focus on other features relatively more. The choice is yours.

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innermedia
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Re: Why is WinSCP file transfer (still) so slow compared to FileZilla?

> FileZilla is not faster than WinSCP in general
Ha! This is so clearly wrong. There are hundreds of confirmed reports here and elsewhere. After testing on network configurations across the world I know with absolute certainty that Filezilla is way faster than WinSCP, about three times faster for plain FTP uploads. I understand you focus on other things. That's fine, but don't pretend WinSCP is as fast as Filezilla 'in general' because it plainly, provably, isn't close.

WinSCP is very good, but very slow. For now we'll have to continue using Filezilla for transferring any remotely significant amounts of data (above 20Mb or a few hundred files, say) and use WinSCP for it's scripting. It's just a shame the lead developer of Filezilla is too proud to implement auto-upload on save, and you are too proud to admit WinSCP is slow.

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