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comfyui rtx 4070

VRAM and loader notes for "comfyui rtx 4070". Use GGUF/FP8 on 8–12 GB cards; full weights on 16 GB and up.

Updated Oct 17, 2026 · 1 min read

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comfyui rtx 4070
Hardware
rtx 4070

rtx 4070

Searches for "comfyui rtx 4070" are about fitting Flux, SDXL or Wan on that card — not pairing it with a random checkpoint name.

8–12 GB: FP8 or GGUF Q4/Q5 plus tiled VAE. 16 GB+: full or FP8 weights.

Download the Windows desktop or portable build from /download.

FAQs

Can ComfyUI run on rtx 4070?

Yes if you match the loader to the VRAM. Quantize on 8–12 GB cards.

Run on your hardware. Free forever.

The full ComfyUI engine: open source, fast, extensible, and yours to run however you want. Download the desktop app and open this workflow on your own machine.

Overgrown concrete building above a field of red poppies, generated in ComfyUI