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Teracopy's official page says "TeraCopy uses dynamically adjusted buffers to reduce the seek times.".

Wikipedia points to some tests:

In a test conducted in 2008 by lifehacker, Fastcopy was several times faster than it's rival Teracopy, a program with similar functionality. However, both programs have been updated since then. A more extensive comparison was performed between TeraCopy v2.07beta, KillCopy v2.85, FastCopy v1.99r4, SuperCopier v2.2bet and published on a forum in 2009.

I'm looking for more recent speed tests on Windows 7.

Oliver Salzburg
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Franck Dernoncourt
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2 Answers2

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With lots of small files, robocopy (native) works just as well as teracopy.

Teracopy can handle larger files a little bit better according to this.

Here is another unverified benchmarking with pictures!

I use robocopy and it's fine.

Raystafarian
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Have been using TC for two years now, on Win7 x64. Never had any "real" troubles with it. It's faster, yet I don't have exact information.

There's a bug in there somewhere, sporadically shutting down the process before it even starts, fixable by restarting TC a few (insert random number) times, till it works. It never quits in the middle, only when a Paste-command is made.

For the harder times, I've enabled the Scroll-Lock feature, to toggle between Windows' service, and TC.