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Topaz Gigapixel vs Real-ESRGAN ncnn Vulkan: catalog facts
Topaz Gigapixel	Real-ESRGAN ncnn Vulkan
Paid Commercial software sold by Topaz Labs, with cloud credits for cloud rendering.	Free Free and open source under the MIT licence.
Windows, macOS	Windows, Command line
Upscaling up to 16x pixels Face recovery for portraits and old photos	Runs locally on Vulkan-capable GPUs No Python environment needed
Paid commercial software Local rendering needs capable hardware	Command line only Repository has seen little activity since 2024
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.