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USB 2 vs 3 - Page 3

post #21 of 60
Well first thing - expand please:P Im not technican and want to understand it as clear as possible

Second - If I understood correctly - I meant future mices that will have USB 3.0 cable which(according to my knowledge) is also essential to work it this way we think it should(more data lines).

for those usb 2.0 present devices it still will have pooling rate since cable itself(again according to my knowledge) does not make it possible to work asynchrometic. However they should still work bit better since usb 3.0 controllers itself are more efficient(right?)
post #22 of 60
Meh just supporting higher bandwidth does not guarantee less latency from processing. Just because there is support for asynchronous transmission does not mean that mice that are only designed for polling can work asychronously.
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post #23 of 60
Quote:
Originally Posted by TK421 View Post

Does the mouse take advantage of those data packet types?



I will test Enotus and compare result wth USB3 / USB2

That is pretty much it.. a USB 2 mouse on USB 3 or 2 shouldn't really matter..
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post #24 of 60
Quote:
Originally Posted by CorruptBE View Post

Something tells me r0ach you just really really... need to get a new motherboard.

Most people going back months ago have said USB3 feels different than USB2 for their mouse. I think even Skylit said it.

This was at a time of z68 + z77 motherboards, it might change in the future for better or even worse.
post #25 of 60
All Data I've found says something different. If you think not then ok but proofs please and sources wink.gif mice might not "know " difference but it's connection outside it and how exchanging information between devices is handled that really matters and makes difference. And unlimited pooling a'ka real time data sync should make feel in mice different- better IMHO since you input is not hindered by anything. If I'm wrong correct me but please something more than "no it can't be"... more deep explanation please smile.gif
post #26 of 60
Quote Skylit, I want to see that post.
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post #27 of 60
Quote:
Originally Posted by metal571 View Post

Quote Skylit, I want to see that post.

here he says something about it. and here. and here.

some hardware doesn't/mice don't work well with usb 3.0.
you also want usb 3.0 to be native to your chipset, otherwise it adds latency.
if 3.0 is native for you and your mouse is alright with it as well, 3.0 should be fine. i'm sure you won't get any benefit from using 3.0 for a mouse, though.

personally i don't use 3.0 because i don't really have a reason to. i believe it's only good for transferring data faster or charging devices faster. and since i rarely use my pc for those purposes, i'm not gonna bother with it.

i also can't recall needing to install drivers for 2.0, i prefer it that way. 3.0 isn't native for me.
Edited by Bucake - 4/24/14 at 1:38am
post #28 of 60
We already know there is no positive benefit to using mice on USB 3 ports, and only possible negatives. It then gets very dicey for USB3 on some motherboards once you factor in, for example, my Gigabyte Z77 UD5H board supposedly has native Intel USB3, yet it uses Via VL810 hubs to split the USB3 into more ports. So I get to use supposedly native USB3 through some kind of middleman VIA garbage.

It's best to disable USB3 entirely in the bios and try to force every port into strictly EHCI to avoid issues.
post #29 of 60
Depends on USB3 implementation. If the motherboard strictly adheres to Intel spec without trying to add additional ports, or split them up (using bridge chips or whatever else), then your ports should act perfectly fine. Ironically, the USB3 ports on cheaper motherboards might act better because the cheaper boards stick to the spec without trying to add a bunch of extra ports as a "feature".

Theoretically, USB3 looks nicer because it doesn't poll, which means latency should be lower, and CPU usage should also be down a fraction. This would also cut energy use a fraction. But designing a mouse with USB3 hardware would cost money, as would implementing this new hardware. Consequently, USB3 mice would cost more for the consumer, and thus be less likely to be bought. The negatives far outweigh the positives as far as manufacturers are concerned, which is why no current mice are USB3, and which is why you ought to be plugging your mice into USB2 ports where possible - save your USB3 ports for fully compliant devices. Who knows, we might see USB3 mice down the line, but save this discussion for then - it's all speculative and rather pointless at the moment.
post #30 of 60
Thread Starter 
Bloody V8 / Pixart 3350DK



USB3:


USB2:


Fresco USB3 controller


I don't seem to notice any difference ._.?
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