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Journal by TheLink
Seems like enabling Aero in Windows 7 adds some lag. With Aero enabled I get about 200ms in reaction time tests. Disabled it's about 180+ms. Video card is GeForce GTX 760. On my old XP machine I get slightly better reaction times, but that could be due to hardware differences (e.g. ATI video card). Monitor is the same.

There are some claims by others that when playing 3D games in fullscreen mode there is no or less additional lag.
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The Fine Print: The following comments are owned by whoever posted them. We are not responsible for them in any way.
  • (Score: 2) by Subsentient on Saturday May 10 2014, @10:57PM

    by Subsentient (1111) on Saturday May 10 2014, @10:57PM (#41684) Homepage Journal

    Aero is 3D accelerated, which will slow down any other graphics-intensive application, and the theme server for windows adds lag too,and both basic non-classic themes and accelerated themes will add a certain amount of lag.

    --
    "It is no measure of health to be well adjusted to a profoundly sick society." -Jiddu Krishnamurti
    • (Score: 2) by crutchy on Sunday May 11 2014, @08:26AM

      by crutchy (179) on Sunday May 11 2014, @08:26AM (#41776) Homepage Journal

      where i work (engineering/design consultancy) we disable aero (amongst a lot of other things) on all our workstations. i wouldn't be surprised if its common practice for anyone using 3D CAD software nowadays

      • (Score: 2) by Jaruzel on Sunday May 11 2014, @08:02PM

        by Jaruzel (812) on Sunday May 11 2014, @08:02PM (#41886) Homepage Journal

        Although switching to classic 'theme' is not enough as it's still being rendered by the Aero engine - it's just not as pretty. To really get that Win2000 look and speed, you need to disable the Themes service completely, via the Services snap-in (type services.msc into the Run.. box).

        --
        This is my opinion, there are many others, but this one is mine.
  • (Score: 2) by Hairyfeet on Friday May 16 2014, @04:46PM

    by Hairyfeet (75) <{bassbeast1968} {at} {gmail.com}> on Friday May 16 2014, @04:46PM (#44273) Journal

    I have no doubt that Aero adds a teeny tiny bit simply because it is using hardware acceleration, my question would be "when are you gonna be in a situation where that 20ms really matters"? as the only place and time I've sen disabling Aero having a really noticeable effect is on older Intel chipsets, but those chips were really weak to begin with so accelerated anything is gonna drag those down. On anything with any power at all, even the weakest APUs like the first gen Bobcat single cores? There isn't enough difference to matter.

    That said and in the interest of full disclosure i disable Aero on my systems for a hacked version of Windows basic, but that is because I always liked the Vista Black theme and found the Aero effects kinda pointless. I still have Aero peek and Aero snap but the rest is turned off but I've never felt any lag one way or the other, i just prefer the Black look over see-through.

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    ACs are never seen so don't bother. Always ready to show SJWs for the racists they are.