Auslogics Disk Defrag: Test, Tutorial and Review

Auslogics Disk Defrag aims to speed up PCs suffering from fragmentation by defragmenting them. The program arranges the components of your hard disk / HDD files together. Since Windows Vista, Microsoft systems have been defragmenting automatically and, for the first time, quite efficiently when it comes to increasing performance. Defrag tools are therefore in a difficult position today. Auslogics Disk Defrag asserts itself with a variety of functions that give it a raison d’être.
In the past, Auslogics Disk Defrag was structured like an assistant, but the manufacturer has now abandoned this interface style. The visual appearance looks modern – as with many defragmenters that are updated. Is such a program still needed today? Despite many features and good designs, not necessarily: More and more PCs and notebooks are using an SSD. You should not defragment one of these, the optimization does not bring any speed gain; it promotes wear and tear and reduces the service life. Auslogics Disk Defrag makes sense, however, if you have an older PC only with a hard drive, whose performance you can lift into new spheres with the tool, depending on the degree of fragmentation. But the installation of an SSD brings more; cheap SATA models no longer cost around 100 euros. Even the best defragmented HDD is lagging behind a bad SSD in terms of speed. If you have an SSD computer in which an HDD (usually connected via SATA) is installed in addition to an SSD, Auslogics Disk Defrag also makes sense: You install the tuning tool on the SSD, then use it to treat the HDD drive.
Download Auslogics Disk Defrag

What is fragmentation?

Auslogics Disk Defrag in the test

Auslogics Disk Defrag: defragmenter test - who needs it?  Clear, reliable and modern design: Auslogics Disk Defrag is convincing.
Clear, reliable and modern design: Auslogics Disk Defrag is convincing.
We took a critical look at Auslogics Disk Defrag Free and the trial version of the paid Ultimate version. During the setup of the free version, it is noticeable that the sending of anonymous information for product improvement is switched on. We deactivated this by removing a checkmark. The installer is adware-infested and advertises other software from the manufacturer; we declined to set up Auslogics Driver Updater with one click. At the end of the installation the tuning tool starts automatically. A table of the partitions appears at the top, and external data carriers are also listed. A tick in the “SSD” column indicates that conventional defragmentation is prohibited here. By right-clicking on the storage space entries, you can check, among other things, the degree of fragmentation; the information is given in percent. The numbering also works with SSD drives, but you should avoid defragmenting them. The context menu offers the further options “Defragment”, “Defragment & Optimize” (chargeable) and “Fast Defragmentation”. There is also drive error checking; it does not open any program-specific function, but calls up a command line window and loads the Windows on-board tool chkdsk.exe (Check Disk) in the background. Abelssoft’s CheckDrive is similar in this regard.
Defragmenters are difficult to test in terms of efficiency, which is why we artificially created fragmentation on an empty partition of an external SATA SSD with the Fraggle.exe tool from the test laboratory. This is not representative and just a quick check. According to Auslogics, the degree of fragmentation was 49 percent. We used a quick defrag, which reduced the degree of fragmentation to nine percent.
1st tip: Smart Defrag
Windows 10 defragmentation tips

Diverse settings

On the plus side, you can specify in the settings to skip fragments and files during tuning that are larger or smaller than a specified value. Another option moves system files to the top of the hard drive, which moves frequently used files to the faster part of the drive, speeds up HDD access to it, but lengthens the defragmentation process. If this is activated with a check mark, the option “Optimize file placement through prefetch layout” can be activated. On the basis of prefetch information (or its layout.ini file), according to a response to a press inquiry to O&O a few years ago, O&O Defrag Professional also did this. If you would like to have Auslogics Disk Defrag with you on a USB stick, you can use “Portable Version> Create Portable Version” to create an executable (German-language) application (disk-defrag-portable.exe) from the program that can be run without installation.

Temperature evaluation and SSD maintenance

Two interesting functions in the context menu of partitions are reserved for Auslogics Disk Defrag Ultimate: a disk cleanup before defragmentation and “Optimize SSD” for flash media. Whether HDD or SSD: In the lower area you will find tabs on the disk temperature, SMART values, an assessment of the “health” and technical internals such as the drive serial number. The reported temperature roughly coincided with the specification of the hardware analysis program Speccy, but was inhomogeneous. Our test SSD has three partitions on which Windows 7 / 8.1 / 10 reside in a multi-boot environment. From the operating system’s point of view, the partitions are a “logical” division of the drive; however, all partitions are the same disk and even if the test system booted Windows 10 21H1 from one partition, the other partitions should be indicated as being just as hot. Nevertheless, the Auslogics program attested slightly different degrees Celsius values ​​for two partitions. Apparently, an analysis of (here SSD) partitions causes the reported temperature to rise permanently.
Like SSD optimization, offline defragmentation is not available for free – unlike IObits Smart Defrag. This offers both trimming of SSDs and offline tuning. In Auslogics Ultimate, the latter includes rearranging MFT files, swap files, hibernation files and registry files. With Auslogics Disk Defrag Ultimate, this is done either the next time or every time the system is started. If you have an SSD, you don’t need any optimization here; The operating system components mentioned are located on the SSD partition C: and usually not on a data hard disk (which in turn does not accommodate Windows).
Auslogics Disk Defrag: defragmenter test - who needs it?  The free version of the defragmenter offers the most important optimization modules.  The even more lavishly stocked Ultimate version is unfortunately only available as an annual subscription.
The free version of the defragmenter offers the most important optimization modules. The even more lavishly stocked Ultimate version is unfortunately only available as an annual subscription.
Auslogics Disk Defrag: defragmenter test - who needs it?  Auslogics Disk Defrag Ultimate offers an enormous configuration depth.  Those who still use a hard drive and are not afraid of investing money should be satisfied with it.
Auslogics Disk Defrag Ultimate offers an enormous configuration depth. Those who still use a hard drive and are not afraid of investing money should be satisfied with it.
We tried the SSD optimization with Auslogics Disk Defrag Ultimate, which currently costs 27.26 euros as much as Auslogics Disk Defrag Pro. The function should create a particularly low write load and thus be gentle on flash data carriers. The manufacturer does not reveal precise information about the algorithm. It is questionable whether SSDs need this tuning: The CrystalDiskInfo tool attested us a 9 gigabyte higher host write load after the (NVMe) SSD treatment. Yes, the write load is lower than with most conventional defragmentation programs. However, the fact that there is write access at all with the special optimization and that no advantages are evident from it speaks against this function.

Assessment of Auslogics Disk Defrag: Conclusion

With Auslogics Disk Defrag, you can get old hard drives in good shape, which you can do with ease thanks to the reliable operation. The SSD optimization is reserved for the Ultimate version and is a nice accessory for enthusiasts who have a good feeling about it. Technically, the SSD “improvement” is certainly not absolutely necessary; in the test it even created a write load that promotes wear (albeit marginally). SSD tuning in defragmenters seems to be all the rage – O&O and IObit implement something similar. Abelssoft and Ashampoo as tuning / defrag providers stated in statements for another article that they did not see any point in SSD defrags. Switching to Auslogics Disk Defrag in the paid Ultimate version is most worthwhile if you want to benefit from auto-defragmentation and offline defragmentation. The target group is small here, because at least you do not need the offline maintenance measures if Windows is installed on the SSD. On the other hand, the Ultimate Edition comes up with a more modern user interface and more settings, so you can choose how you use your PC (as a “workstation”, for “games” or as a “server”) and how often you use your PC during commissioning Documents and work on the Internet – the software adjusts the optimizations to your use.
The manufacturer offers another useful utility called Registry Defrag. This even makes sense when applied to SSDs (no defragmentation in the conventional sense) and closes the gap with Auslogics Disk Defrag Free, as it does not compress the registry database. If you combine both free applications, you don’t need to spend any money.
The pros and cons of Auslogics Disk Defrag: + Clear, modern interface
+ Successfully eliminated our test fragmentation
+ Optionally includes prefetch data in the optimization
+ Also defragments individual files
+ Insane configuration leeway with Ultimate
+ No web installer, installation offline possible; portable version can be created
– Unclean installer (adware software with you; Auslogics Free)
– Scheduler is idle (“Automatic defragmentation” is an ultimate function)
– Compared to O&O Defrag, there are no defrag algorithms (Name, Access, Modified)
– No free offline defragmentation
Alternatives: The freeware Smart Defrag also defragments and trims SSDs, with no harmful write load. Trimming SSDs makes sense. And / or you use the exclusive free full version Ashampoo WinOptimizer 18. Since the 18 version, the Defrag module has the ability to perform a “retrim” called trimming of SSDs.



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