✨ You asked, we delivered! To everyone running on an 8GB VRAM setup who thought they were locked out of top-tier video gen: this one is for you. 🤝This advanced, two-stage workflow completely solves the budget VRAM crisis. It harnesses Minimax’s incredible motion adherence and base generation power as your foundation, then instantly hands off the baton to LTXV acting as a high-fidelity refiner.The result? Crisp, high-resolution cinematic videos without triggering an Out-Of-Memory (OOM) error! 🤯 V3 is HERE. Prepare to be mind-blown with what your 8GB cards are capable of ! DO READ THE CHANGELOG for list of Updates.🛠️ Changelog &amp; Bug Fixes<ul><li>Known problem in V1.0: First few frames ignored by LTX Refiner , Artifacts produced in the Minimax stage cause Turbo LoRA's at the moment are not perfect.</li><li>Fixed in V2.0: Now your final output will have clarity and quality from the first frame itself. Also, LTX Refiner will fix the anatomy issues as well as any artifacts along with refining the video. Also, you can now use Interpolation along with RTX without much delay with Clean RAM VRAM nodes being added to the groups. A note is there in the workflow on how to connect RIFE Interpolation with RTX Upscaling.</li><li>Fixed in V3.0: Lower resolutions not refining well now give crystal clear output. Clarity has increased atleast 2-3x more. Added 2 loops for video extension. Unlimited loop video possibility. Switches given for streamlined rapid workflow as per requirements. Upscale Model stage added. T2V Mode is available now. Added another LoRA for LTX to refine videos. Get it from here - <a target="_blank" rel="ugc" href="https://huggingface.co/CQdesign/LTX-2.5-CQ-Video-and-Image-Enhancer-LoRAs/blob/main/ltx2.5-CQ-enhancer-lora-for-videos-rank128.safetensors">https://huggingface.co/CQdesign/LTX-2.5-CQ-Video-and-Image-Enhancer-LoRAs/blob/main/ltx2.5-CQ-enhancer-lora-for-videos-rank128.safetensors</a></li></ul><hr />🎨 The Feature Stack<ul><li>8GB VRAM Friendly: Optimized explicitly for low-budget hardware using extreme INT4/INT8 quantization.</li><li>Two-Stage Refinement: Uses Minimax for raw motion framework, and LTXV to iron out details.</li><li>Smooth Frame Interpolation: 2x FPS motion smoothing baked right into the output line.</li><li>4K Upscaling Power: Blast your final render all the way up to sharp 4K resolution.</li><li>Backward Compatible: Don't have LTX 2.5? This pipeline is mostly backward-compatible with LTX 2.3 components!</li></ul><hr />🧠 The Shopping List: Required ModelsTo prevent errors, make sure you have these exact files placed in your ComfyUI directories:⚡ Stage 1: The Minimax Engine<ul><li>Checkpoint: <code>MinimaxH3INT8INT4_fl2vaINT8Pruned.safetensors</code></li><li>Text Encoder: <code>Qwen3vl_32b_minimax_h3_int4_convrot.safetensors</code></li><li>VAEs: <code>minimax_h3_video_vae_fp16.safetensors</code> &amp; <code>minimax_h3_audio_vae_fp32.safetensors</code></li><li>LoRA: <code>minimax_h3_turbo_v4_step600_ema_pruned_comfyui.safetensors</code></li></ul>🌀 Stage 2: The LTXV Refiner &amp; Upscaler (LTX 2.5 or 2.3)<ul><li>VAEs: <code>LTX-2.5-audio-vae-bf16.safetensors</code> &amp; <code>LTX-2.5-video-vae-conv-bf16.safetensors</code></li><li>Transformer: <code>LTX-2.5-22b-distilled-transformer-comfy-in8-convrot.safetensors</code></li><li>Text Encoders: <code>Gemma4-12b-with-proj-ltx-2.5-comfyui-int8-convrot.safetensors</code> &amp; <code>LTX-2.3_text_projection_bf16.safetensors</code></li><li>Spatial Upscaler: <code>LTX-2.5-latent-spatial-upscaler-x2-bf16-1.0.safetensors</code></li><li>LoRA: <code>LTX2.3_Crisp_Enhance.safetensors &amp; ltx2.5-CQ-enhancer-lora-for-videos-rank128.safetensors</code></li></ul><hr />🛠️ Quick Start<ol><li>Import the workflow file into your workspace.</li><li>Verify all paths point correctly to your quantized INT4/INT8 checkpoints.</li><li>Queue Prompt and enjoy elite video generation right on your local 8GB card!</li></ol><hr />💬 Join the Low VRAM Movement!If this setup saves your GPU from bursting into flames, hit that Like button and leave a review!👇 Low VRAM doesn't mean low quality! Drop your 4K interpolated video renders and test clips in the comments below! 👇

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