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This guide covers video upscaling workflows in ComfyUI, including local models and partner node options for various use cases.
For a comprehensive deep-dive with benchmarks and visual comparisons, see The Complete AI Upscaling Handbook on the ComfyUI Blog.

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Key concepts

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Upscaling vs. enhancement

  • Upscaling increases resolution while reconstructing detail.
  • Enhancement improves perceived quality (denoise, sharpen, restore, temporal consistency, etc.).
Video upscaling adds temporal considerations—maintaining consistency across frames while improving resolution.

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Creative vs. conservative upscale

ConservativeCreative
ApproachPreserve the originalReimagine and enhance
StrengthsHigh accuracy, temporal consistency, production-safeRich details, sharper, more visually striking
LimitsCan appear flat, limited improvement on poor inputPossible hallucinations, temporal flickering
ModelsTopaz Starlight Fast, FlashVSR, SeedVR2Topaz Starlight Creative (Astra), Wan 2.2

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Use cases

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Film and VFX

Professional productions require consistent, artifact-free upscaling that preserves the original creative intent. Recommended: Topaz Starlight Fast for precision, Topaz Starlight Creative (Astra) for enhanced detail.

Topaz Astra - Creative

Try on Comfy Cloud

SeedVR2 - Conservative (WaveSpeed API)

Try on Comfy Cloud

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Social media content

Quick turnaround with visually striking results. Creative upscaling can add punch to lower-resolution source material. Recommended: Topaz Starlight Creative (Astra), Wan 2.2

Wan 2.2 Upscale - Creative

Try on Comfy Cloud

HitPaw - All-in-one

Try on Comfy Cloud

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Archival footage restoration

Older footage benefits from both upscaling and enhancement to reduce noise and improve clarity while maintaining the original character. Recommended: Topaz Video Enhance with compression artifact handling, conservative models

FlashVSR - Conservative (WaveSpeed API)

Try on Comfy Cloud

Fast GAN - Traditional

Try on Comfy Cloud

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AI-generated video

AI-generated videos often have resolution limitations and compression artifacts. Upscaling can improve quality for final delivery. Recommended: Conservative models to avoid amplifying AI artifacts

SeedVR2 - Conservative (Open Source)

Try on Comfy Cloud

SeedVR2 - Conservative (WaveSpeed API)

Try on Comfy Cloud

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Animation and motion graphics

Clean lines and consistent colors are essential. Conservative upscaling preserves the intended style. Recommended: Topaz Starlight Fast, Fast GAN

Fast GAN - Traditional

Try on Comfy Cloud

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Available models

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Partner nodes

Partner nodes provide access to advanced video upscaling models via API.
ModelTypeMax resolutionFeatures
Topaz Starlight FastConservative4KFast, precision upscale
Topaz Starlight Creative (Astra)Creative4KDiffusion-based creative upscale
Topaz Apollo--Frame interpolation
WaveSpeed SeedVR2Conservative-High fidelity
WaveSpeed FlashVSRConservative-Fast video super-resolution
HitPawBoth-All-in-one video enhancement

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Topaz Video Enhance features

  • Upscaling: Starlight (Astra) supports fast video upscaling to FullHD (1080p) or 4K while maintaining clarity.
  • Interpolation: Apollo model for frame interpolation with slowmo settings and custom frame rates (e.g., 60fps).
  • Dynamic compression: Intelligently identifies and handles compression artifacts to improve image purity.

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Getting started with Topaz Video Enhance

  1. Update ComfyUI to the latest version.
  2. Search for the Topaz Video Enhance node in the node list.
  3. Connect your video input and configure the settings.
  4. Run the workflow.

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Tips

  • Combine upscaling with frame interpolation for smoother, higher-resolution output.
  • For AI-generated videos, consider fixing artifacts before upscaling rather than relying on creative upscaling to fix them.
  • Test different models on sample clips before processing full videos.
  • Use conservative upscaling for content that requires strict fidelity to the original.