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Deutsch(DE) Flux 2 Klein, RTX 3060 12GB: FP8 is almost same as GGUF

RTX 3060 users: Disable low-VRAM flags for better Flux Klein performance

A user on Reddit discovered that for the Flux 2 Klein model on an RTX 3060 with 12GB VRAM, FP8 quantization performed similarly to GGUF quantization in terms of speed. The primary performance bottleneck was not the model size, but rather the use of `--lowvram` flags in ComfyUI, which caused unnecessary offloading. Disabling these flags significantly improved throughput by allowing the model to remain resident in VRAM. AI

IMPACT Disabling low-VRAM flags can double throughput for Flux Klein on RTX 3060 cards by avoiding unnecessary offloading.

RANK_REASON User-discovered optimization for existing software and hardware.

Read on r/StableDiffusion →

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

RTX 3060 users: Disable low-VRAM flags for better Flux Klein performance

COVERAGE [1]

  1. r/StableDiffusion TIER_2 Deutsch(DE) · /u/glusphere ·

    Flux 2 Small, RTX 3060 12GB: FP8 is almost same as GGUF

    <!-- SC_OFF --><div class="md"><p>Wanted to share a finding that surprised me. Hopefully saves someone else the few weeks I spent on this ( wasting precious time and GPU! ).</p> <p><strong>Setup</strong></p> <ul> <li>RTX 3060, 12GB VRAM</li> <li>ComfyUI (recent build)</li> <li>Fl…