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Windows 7 GUI slowness

VooD · demo · Watch on YouTube

Software performance & optimizationOperating systems & kernels

What it is

A short demo showing slow 2D drawing in the Windows 7 GUI compared with XP. It attributes the slowdown to the display driver model lacking hardware accelerated GDI.

Why Hacker News recommends it

Used as the reference example when people argue Windows UI responsiveness regressed after XP.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2011, last 2025

What HN commenters said

  1. “Especially follow the YouTube links demonstrating the problem”

    Demonstrates Windows desktop compositor lag.

    kasabali, 2023-07 · Recommendation · in “Kill DWM (on Windows11) for less input lag and better performance”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: windows 7, gdi, wddm, ui latency, windows xp

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