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In previous versions, the HDR AI model selection was automatically managed by the client in the background. Currently, the usage limitation for the 4K HDR model requires the graphics card to be an NVIDIA 40 or 50 series with at least 12.5GB of free VRAM. Compared to the former threshold of 14.5GB, we have actually lowered the VRAM requirement for the 4K HDR model. It is important to note that the 4K HDR model delivers better conversion quality for 4K videos but has higher hardware demands. You can still achieve high-quality conversions using the QHD and FHD models. We want to reiterate that we have not increased any restrictions on HDR model usage; in fact, the VRAM threshold has been lowered.
Thank you for your attention and support. We will continue to optimize the product to better meet user needs.