Can the RTX 4070 12 GB run ERNIE-Image (Turbo)?
Yes, but only just: Q8_0 leaves 1.0 GB free on the RTX 4070 12 GB.
Q8_0 (8.7 GB) fits with only 1.0 GB to spare (about 11.0 GB of 12 GB).
01What to download
| Part | File | Folder | Size | |
|---|---|---|---|---|
| Model | ernie-image-turbo-Q8_0.gguf Q8_0 · unsloth/ERNIE-Image-Turbo-GGUF | models/unet | 8.7 GB | Download → |
| Text encoder | ministral-3-3b.safetensors Ministral 3 3B · Comfy-Org/ERNIE-Image | models/text_encoders | 7.7 GB | Download → |
| VAE | flux2-vae.safetensors FLUX.2 VAE · Comfy-Org/ERNIE-Image | models/vae | 0.3 GB | Download → |
| Total download · keep about the same free on disk | 16.7 GB | |||
Only for some workflows: ERNIE prompt enhancer (optional) (6.9 GB). Sizes from Hugging Face, 2026-10-01.
02Every ERNIE-Image file on 12 GB
| File | Size | Needed | On this card | Quality | Download |
|---|---|---|---|---|---|
| 16-bit SAFETENSORS · Comfy-Org | 16.1 GB | 18.4 GB | 6.4 GB too big | the original weights | Hugging Face → |
| Q8_0 ← GGUF · unsloth | 8.7 GB | 11.0 GB | fits · 1.0 GB spare | practically identical to the original | Hugging Face → |
| Q6_K GGUF · unsloth | 6.8 GB | 9.1 GB | fits · 2.9 GB spare | very close to the original | Hugging Face → |
| Q5_K_M GGUF · unsloth | 5.9 GB | 8.2 GB | fits · 3.8 GB spare | close; small differences in fine detail | Hugging Face → |
| Q4_K_M GGUF · unsloth | 5.0 GB | 7.3 GB | fits · 4.7 GB spare | good; some loss in fine detail and text | Hugging Face → |
| Q3_K_M GGUF · unsloth | 3.9 GB | 6.2 GB | fits · 5.8 GB spare | noticeable loss of detail | Hugging Face → |
| Q2_K GGUF · unsloth | 3.2 GB | 5.5 GB | fits · 6.5 GB spare | heavy loss; a last resort | Hugging Face → |
“Needed” adds 1.5 GB of working memory for ERNIE-Image and a 0.8 GB reserve. Sizes 2026-10-01.
03Measured and reported results
Nobody has sent measured numbers for this pair yet. If you run ERNIE-Image on a RTX 4070 12 GB, send your time per image and peak VRAM and it will appear here, credited.
04About the RTX 4070 12 GB
The RTX 4070 12 GB is an Ada Lovelace GPU with hardware FP8, so ComfyUI can compute Comfy-Org's FP8 files natively: small and fast. (Plain FP8 files use FP8 maths with the --fast fp8_matrix_mult option.)
12 GB GDDR6X · 192-bit · 504 GB/s · Ada Lovelace. Everything that runs on it →
05Questions
How much VRAM does ERNIE-Image need?
Around 5.5 GB with the smallest file (Q2_K) and 11.0 GB with an 8-bit file (Q8_0). The full 16-bit file needs about 18.4 GB.
Which ERNIE-Image file should I download for the RTX 4070 12 GB?
Q8_0 (8.7 GB) from unsloth/ERNIE-Image-Turbo-GGUF. Load it with Unet Loader (GGUF) from the ComfyUI-GGUF node pack.
How much do I need to download for ERNIE-Image on the RTX 4070 12 GB?
16.7 GB: ernie-image-turbo-Q8_0.gguf, ministral-3-3b.safetensors, flux2-vae.safetensors.