Delta Clone copies only the data blocks that changed, turning a half-hour clone into a 3-minute sync.
Even when nothing has changed, full cloning still reads from and writes to every sector. For 200 GB of data, this process takes at least 30 minutes, wasting both time and drive lifespan.
⌛ Wasted time. Whole disk re-scanned and re-written regardless of changes.
💢 SSD Wear. Frequent full-disk writes can quickly shorten the lifespan of a solid-state drive.
🔋 Battery Life Killer. Heavy read/write loads cause laptops to overheat and drain the battery rapidly; this is even more pronounced on ARM64 devices.
Hasleo Backup Suite's Delta Clone compares the source disk with the existing clone and writes only the changed data blocks.
Intelligent difference analysis, block-by-block comparison, and precise detection of new data.
Unchanged blocks are referenced directly from existing copies.
A full clone establishes the baseline; subsequent syncs are fast.
As a result, routine cloning time has dropped from 30 minutes to just 3-5 minutes
Daily Backups—Keep your external drive current in just 3 minutes.
ARM64 Devices—Runs cool and power-efficient on Surface Pro and Snapdragon devices.
WinToUSB Update—After system updates, sync to a USB drive 3-10 times faster.
Delta clone typically takes only 5%–30% of the time a full clone needs.
Click Clone → System Clone to automatically select all Windows partitions.
Select a target disk that already contains a clone.
Check Delta Clone and click Next.
Tick Delta Clone before Next
The target disk must contain a complete clone.
Source & target cluster sizes must match; target ≥ source; partition order must stay the same.
No resize mid-run. Adjusting partition structure? Use a full clone instead.
Delta clone overwrites its area on the target disk — ensure no other important files are there first.
🔒 Delta Clone is a feature available in the paid editions (Home, Professional, Server, and Enterprise).
Do I need a full clone before Delta?
Yes — it uses that copy as the baseline. Without one, Delta Clone falls back to a full clone.
Works on ARM64 like Surface Pro?
Absolutely. The native ARM64 build plus Delta makes backups faster, cooler and gentler on battery.
Is it in the free edition?
Not supported for now, only available in the paid version. But you can download the free edition to experience the full clone feature.
Establish a baseline with the initial full clone. Subsequent updates take only 3-5 minutes each, so you can use the time saved to focus on more important tasks.