Can the RTX 5060 Ti 16 GB run HunyuanVideo 1.5?
Timed on my own card, not estimated: 11 minutes for a 121-frame clip with the FP8 file, peaking at 14.3 GB.
Take FP8 (8.3 GB). In use it comes to about 12.6 GB, with 3.4 GB left over on 16 GB.
01My measurements
| Label | Setup | Result | Peak VRAM | Date | Source |
|---|---|---|---|---|---|
| measured | hunyuanvideo1.5_480p_t2v_cfg_distilled_fp8_scaled.safetensors · 848x480 · 20 steps 480p text-to-video, cfg-distilled model: 121 frames (5 s at 24 fps), 20 steps, CFG 1, euler/simple, ModelSamplingSD3 shift 5, VAE Decode (Tiled). Text encoders Qwen2.5-VL 7B FP8 (s | 662.9 s / clip (121 frames) | 14.3 GB | 2026-10-12 |
02What to download
| Part | File | Folder | Size | |
|---|---|---|---|---|
| Model | hunyuanvideo1.5_480p_t2v_cfg_distilled_fp8_scaled.safetensors FP8 · Comfy-Org/HunyuanVideo_1.5_repackaged | models/diffusion_models | 8.3 GB | Download → |
| Text encoder | qwen_2.5_vl_7b_fp8_scaled.safetensors Qwen2.5-VL 7B FP8 (scaled) · Comfy-Org/HunyuanVideo_1.5_repackaged | models/text_encoders | 9.4 GB | Download → |
| Text encoder | byt5_small_glyphxl_fp16.safetensors ByT5 small GlyphXL FP16 · Comfy-Org/HunyuanVideo_1.5_repackaged | models/text_encoders | 0.4 GB | Download → |
| VAE | hunyuanvideo15_vae_fp16.safetensors HunyuanVideo 1.5 VAE FP16 · Comfy-Org/HunyuanVideo_1.5_repackaged | models/vae | 2.5 GB | Download → |
| Total download · keep about the same free on disk | 20.7 GB | |||
Alternatives: Qwen2.5-VL 7B BF16 (16.6 GB). Only for some workflows: SigCLIP vision patch14 384 (0.9 GB, I2V only). Sizes from Hugging Face, 2026-10-01.
Free ComfyUI workflow, tested on my RTX 5060 Ti: 480p text to video, FP8 workflow (.json). Drag the file into ComfyUI. All workflows →
03Every HunyuanVideo 1.5 file on 16 GB
| File | Size | Needed | On this card | Quality | Download |
|---|---|---|---|---|---|
| 16-bit SAFETENSORS · Comfy-Org | 16.7 GB | 21.0 GB | 5.0 GB too big | the original weights | Hugging Face → |
| FP8 ← SAFETENSORS · Comfy-Org | 8.3 GB | 12.6 GB | fits · 3.4 GB spare | practically identical to the original | Hugging Face → |
| Q8_0 GGUF · jayn7 | 9.0 GB | 13.3 GB | fits · 2.7 GB spare | practically identical to the original | Hugging Face → |
| Q6_K GGUF · jayn7 | 7.0 GB | 11.3 GB | fits · 4.7 GB spare | very close to the original | Hugging Face → |
| Q5_K_M GGUF · jayn7 | 6.1 GB | 10.4 GB | fits · 5.6 GB spare | close; small differences in fine detail | Hugging Face → |
| Q4_K_M GGUF · jayn7 | 5.1 GB | 9.4 GB | fits · 6.6 GB spare | good; some loss in fine detail and text | Hugging Face → |
“Needed” adds 3.5 GB of working memory for HunyuanVideo 1.5 and a 0.8 GB reserve. Sizes 2026-10-01.
04Questions
How much VRAM does HunyuanVideo 1.5 need?
Around 9.4 GB with the smallest file (Q4_K_M) and 12.6 GB with an 8-bit file (FP8). The full 16-bit file needs about 21.0 GB.
Which HunyuanVideo 1.5 file should I download for the RTX 5060 Ti 16 GB?
FP8 (8.3 GB) from Comfy-Org/HunyuanVideo_1.5_repackaged.
FP8 or Q8_0 for HunyuanVideo 1.5 on the RTX 5060 Ti 16 GB?
FP8 (8.3 GB): the RTX 5060 Ti 16 GB computes it natively, while Q8_0 (9.0 GB) is unpacked on the fly.
How much do I need to download for HunyuanVideo 1.5 on the RTX 5060 Ti 16 GB?
20.7 GB: hunyuanvideo1.5_480p_t2v_cfg_distilled_fp8_scaled.safetensors, qwen_2.5_vl_7b_fp8_scaled.safetensors, byt5_small_glyphxl_fp16.safetensors, hunyuanvideo15_vae_fp16.safetensors.