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What polling rate mean?


I have the gaming mice Razer DeathAdder.

And in his driver system it's asking what is the polling rate I want for my mouse.

Now, My question is what polling rate mean?

Thanks a lot!

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I am guessing what you mean is "Polling rate" not "Pulling".

Polling rate is the rate of your computer scanning what you did to the mice. Since it's a gaming mice, you'd rather want a fast rate, more than 100 times per second (or 100Hz).

It would probably make sense the frequency around 2 - 4x of screen update (60Hz), so 120 - 240Hz range sounds reasonable.

If it's too fast, the computer spends too much time for the mice, and it may degrade the computer performance, so it needs to be fast enough, but not too fast. I'd start with 120 or so, and see how it goes.

You should check out the Razer's web site for the recommendation.

-- Tai

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+ way to figure out the question, very good!


Thank you very much! and you're right it's polling rate...

Just for knowledge what you think I should put on my computer?

My computer (as I think is good enough) to hold the highest mice rate, The rate that now on my default is 1000Hz.

This is recommended or not?


If 1000Hz works fine, you should keep it.

Say, if you are playing a shooter, and the frame rate is 120 fps or so (very good performance), updating the mice location 1000 times means it gets updated 8 times per frame. 1 out of 8 is used, and 7 times are just waste. However, it gets pretty accurate that way since the mouse location is always fresh.

As long as your computer does not slow down, and if 1,000 is the default, there is not much reason to lower the rate. Vendors are not dummies, and they pick the number to make you a happy customer.

However, as long as the location is updated more than 2x of fastest frame rate, it should get the job done just fine. (If it's 1x of frame rate, there is a possibility it may not update every frame.)


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