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What factors influence the FPS rate?

By jobeard
Aug 30, 2014
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  1. We are seeing lots of posts on issues of low or variable FPS rates being observed, so it begs the topic question.

    Going to Microsoft's http://support.microsoft.com/kb/269068, we see these comments:
    There are primarily three factors that affect the frame rate, and they are all interrelated:
     
  2. Jad Chaar

    Jad Chaar TS Evangelist Posts: 6,477   +965

    There have also been a lot of questions about refresh rates, which are very reliant on FPS. If anyone cares for a simple and easy to understand video on refresh rates, here is one.
     
  3. jobeard

    jobeard TS Ambassador Topic Starter Posts: 9,327   +622

    The Youtube cited is good background in the physiology of sight, a prerequsite to dealing with our satisfaction with our gaming systems.

    I'll be very specific re the term refresh rate. The term originates back into the early '50s with television which moved a CRT light beam across the screen in a diagonal manner. The horizontal movement was internally generated and vertical component was synchronized the the ac power - - 60hz. The refresh rate was "the number of times the screen was redrawn (upper left to lower right) in one second".

    Our pc video adapters usually have user selectable refresh rates where 60hz is the default (wonder where that came from). Eye strain is reduced if you can set anything other than 60hz to avoid your video from being in-sync with the room lighting (especially fluorescent lighting).

    Refresh rate pe se is fixed and not dependent upon the content. Frame rates alter just how much change is made within the refresh period. Gee whiz, if frame rate were to equal refresh rate, then every repaint of the monitor would have new information and our GPU would be very busy and likely be at its full rated outputs and power consumption.

    The KB cited comments re choose the right profile - - good info but who and how to is unstated.
     
    Jad Chaar likes this.
  4. bluejolls

    bluejolls TS Booster Posts: 107   +8

    1. The amount of Shaders/CUDA cores
    2. Memory Type (Dedicated, or Integrated) and Interface(64, 128, 256 and 384 bit),
    3. Memory Speeds (clocks) and Generation (DDR3, GDDR3, GDDR5)
    4. Amount of Memory (512 MB - 3 GB).
    5. Your RAM amount and speed
    6. Your HDD type (SSD vs HDD)
    7. Background Applications and other Antivirus Scanners (AVs) and Scanners
    8. Drivers
    9. Power requirements
    10. Dimensions
    11. Manufacturer warranties
    12. Cooling systems
    13. Overclocking status
     

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