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Z Image generation speed plummets after ComfyUI update

A user on Reddit reported a significant slowdown in image generation times using Z Image within their ComfyUI setup. Previously generating images in approximately 16 seconds, the process has now increased to 80 seconds per image after an update. The user specified their hardware as a Ryzen 7840u with 32GB DDR5 RAM and a 3070ti GPU. AI

IMPACT Potential performance issues with popular image generation tools could impact user workflows.

RANK_REASON User reports a performance degradation in a specific software tool.

Read on r/StableDiffusion →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Z Image generation speed plummets after ComfyUI update

How we ranked this

Signal score
6 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User reports a performance degradation in a specific software tool.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/StableDiffusion TIER_2 English(EN) · /u/OkChip6545 ·

    Z-Image used to be fast, now it is taking 80s

    <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1xnr3kt/zimage_used_to_be_fast_now_it_is_taking_80s/"> <img alt="Z-Image used to be fast, now it is taking 80s" src="https://preview.redd.it/pxocw3oi6mzh1.png?width=640&amp;crop=smart&amp;auto=webp&amp;s=…