Portable ACDSee Pro 8.1.99.0 offers many of the same features as the installed version of ACDSee Pro, including:
Conclusion: The portable version is approximately 10-15% slower on initial launch due to USB read speeds, but matches the installed version in processing power once loaded. If you run it from an internal NVMe drive, performance is identical. Portable ACDSee Pro 8.1.99.0