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Mouse lighting causes input lag or discrepancy ?

I have a Mionix castor mouse, I use color shift mode and get a deviation of around 3% in http://www.mouse-sensitivity.com/dpianalyzer.html with a dpi of 400 but when I turn off all lights, it has a deviation of around 2%. I tried this test multiple times and seem to have the same result.

Does lightning effects on mouse or keyboard increases error and input lag?

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Yes, having variable lighting on a mouse (ie pulsing or cycling light modes) does cause tracking to be worse, my guess would be that a poll that would normally send mouse movement data instead instructs the mouse to change colour, but that's just a theory.


Try enotus mouse test for tracking smoothness etc.


When I used a razer deathadder Chroma for a few weeks, I noticed the tracking would be less smooth, both in tests and by looking at actual cursor movement. Setting the colour to a static colour or off improved tracking.


Edit: It affects tracking smoothness, not so much input lag and real dpi value.

System specs
  • Graphics card: Asus GTX 980 Ti (Temp target: 60c, fan speed: slow as hell)
  • CPU: Intel 6700k @ 4.2Ghz
  • CPU Heatsink: ThermalRight Silver Arrow Extreme
  • Motherboard: Asus Maximus Viii Gene
  • Ram: 8GB of DDR4 @ 3000Mhz
  • Headphone source: O2 + Odac 
  • Mic input: Creative X-Fi Titanium HD
  • Case: Fractal Design Arc midi R2
  • Boot Drive: Samsung 840 Pro 128GB 
  • Storage: Seagate SSHD 2TB
  • PSU: Be quiet! Dark Power Pro 550w


  • Monitor: Asus ROG Swift PG278Q
  • Mouse: Razer DeathAdder Chroma (16.5 inch/360)
  • Mouse surface: Mionix Sargas 900
  • Tablet: Wacom Intuos Pen
  • Keyboard: Filco Majestouch Ninja, MX Brown, Ten Keyless 
  • Headphones: AKG K7xx
  • IEMs: BrainWavs S1
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