VOSR2 vs SeedVR2: Which Free Upscaler Should We Use? (Free Alternatives to Topaz In ComfyUI)

#comfyui #comfyuitutorial #ai #aivideo #aiimages #minimaxh3 #seedance2 #seedance #opensource #imageupscaler #topaz #upscale #upscaling Resources: Workflows (download or run on cloud): VOSR2 & SeedVR2 Image Upscale(2K/4K/8K) https://www.runninghub.ai/post/210808... VOSR2 & SeedVR2 VIdeo HD Upscale https://www.runninghub.ai/post/210808... Apps: Image Upscale https://www.runninghub.ai/ai-detail/2... Video Upscale https://www.runninghub.ai/ai-detail/2... Test inputs used in the tutorial: https://drive.google.com/file/d/1QM8o... Custom nodes: https://github.com/ylchen333/ComfyUI-... https://github.com/lrzjason/ComfyUI-E... https://github.com/noname19921992/Goo... Models: https://huggingface.co/CSWRY/VOSR https://huggingface.co/Comfy-Org/Seed... https://huggingface.co/Comfy-Org/Qwen... Project Page: https://github.com/cswry/VOSR https://github.com/ByteDance-Seed/SeedVR All-In-One ComfyUI Package:   / vosr2-seedvr2-in-171784680   One upscaler made the face look cleaner, but also a little too smooth. The other kept more detail. When switch to a damaged manual page—and the result flipped. So if you’re using ComfyUI to upscale an AI image, a portrait, a poster, an old photo, or even a video, which model should you choose? The quick answer: For the portraits I tested, SeedVR2 kept—and sometimes added—more visible detail. For a damaged page with small text, VOSR2 recovered the letters more accurately. For video, I’d start with SeedVR2 because it can process frames together for better continuity. In this video, I will show you case by case in real examples and talk in detail about ComfyUI image upscaling, VOSR2 image upscaling, SeedVR2 video upscaling and old photo restoration etc. So you will know how and when to use each model correctly as free alternatives to Topaz. These tow models can also act as a second upscale stage for videos generated by Minimax H3 or Seedance. Chapters 0:00 VOSR2 vs SeedVR2: Real Upscaling Results 0:47 VOSR2 vs SeedVR2: Which Upscaler Should You Choose? 1:54 ComfyUI Upscaling Workflow: Nodes and Model Setup 3:10 How to Set 2K, 4K and 8K Upscale Output Size 5:21 Portrait Upscaling: SeedVR2 vs VOSR2 Detail 6:08 VOSR2 Grid Artifacts on Smooth Backgrounds 7:38 VOSR2 Tile Size: 512 vs 1024 9:08 SeedVR2 vs VOSR2 Speed on an RTX 3080 9:50 Upscaling Small Text: Posters and Manual Pages 13:19 Restore Damaged Old Photos Before Upscaling 15:18 Upscale Tiny 256×256 Images in Two Passes 17:03 Video Upscaling: SeedVR2 vs VOSR2 Flicker 18:51 SeedVR2 Temporal Batch Size and Video Consistency 19:30 Video Upscaling Settings: FPS, Trimming and VRAM 21:22 Upscale AI-Generated Video from MiniMax H3 22:20 Local ComfyUI vs RunningHub and App Workflows 23:48 Best Upscaler for Portraits, Text, Photos and Video