When comparing PerfectDisk vs Disk Defrag, the Slant community recommends PerfectDisk for most people. In the question“What are the best disk defrag tools for Windows?” PerfectDisk is ranked 1st while Disk Defrag is ranked 4th. The most important reason people chose PerfectDisk is:
Been using since W2K days - love the options for scheduling and how you want your drives defragged.
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Pros
Pro Flexibility
Been using since W2K days - love the options for scheduling and how you want your drives defragged.
Pro Intelligent disk optimization
The program utilizes a proprietary strategy called SMARTPlacement optimization which orients drive optimization around the habits of the user.
Pro Spacial integrity
PerfectDisk offers a unique approach to space management in that it actively recovers disk space by checking for file duplicates and eliminating them.
Pro OptiWrite transparent & zero-peformance-impact fragmentation prevention
Prevents most (though not 100%) file fragmentation after a drive has been full defragmented
Pro Space consolidation
Areas of free space around the disk can be organized into larger sections which helps to ensure the integrity of new files.
Pro System files optimization
Important system files can be moved to the cleaner regions of the disk to allow for faster read of and write to disk speeds.
Cons
Con High price point
The price could very easily put one off. Unlike many other products, PerfectDisk has no free features beyond the thirty day trial. Furthermore, the only way to guarantee unlimited utility past three computers is to purchase a total home license which costs $49.99.
Con No free space defrag
There is currently no option available to allow for the sole defragmentation of free space on the disk
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