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-   -   4870X2 micro stuttering (http://www.hardwarecanucks.com/forum/video-cards/9451-4870x2-micro-stuttering.html)

Jim August 18, 2008 09:18 PM

4870X2 micro stuttering
 
is this real or a bunch a crap ? see the video in this link,are all 4870x2 plagued with this problem?
PCGH - Test/Benchmark: PCGH proves micro stuttering on the Radeon HD 4870 X2

NyteOwl August 18, 2008 09:40 PM

I forget where now but someone on a forum was mentioning thatwas happening on a 280 as well.

Jim August 18, 2008 09:52 PM

wonder if its a defect er somethin

MpG August 18, 2008 09:56 PM

Microstuttering is, in fact, a real phenomenon. That particular bit of 'proof', on the other hand, is a crock of shite.

All that video is, is a clip of someone playing Crysis at WAY too high of detail for their card to handle. Considering the fps count never breaks 20, the picture's fluidity is far too poor for microstuttering to even be a meaningful issue. Play me a Crysis demo that never goes below 40fps, or a Source game that never drops below 60fps, and THEN start looking for problems.

It's a brutally overblown problem these days, but it does actually exist. The best explanation I've seen involves the video cards/cores simply getting information too fast for the rendered frames to appear at regular intervals. In a situation with highly-clocked processors and memory hubs, it's much easier for such a thing to occur. With the latest generation of cards, the imbalance between speed/power of the GPU's and the rest of the system is no longer as pronounced, making it less of an issue.

There are countless people who NEVER notice anything with their multi-GPU setups, and game happily ever after (until they find out there's a bigger card coming out, anyway). And there are a couple of us who wondered why our gaming experiences were WAY out of whack with what FRAPS was claiming, and finally learned the reasons later on.

DK2 August 19, 2008 04:37 AM

anybody think this could be a VGA, DVI single / dual Link cable problem?
the link doesn't say their setup.

Dr_BenD_over August 19, 2008 04:58 AM

I can honestly say I've never experienced this, not with SLi'd 6800GS's, not with Crossfired HD3870's, and certianly not with the HD4870X2. Playing games at stupid resolutions doesn't prove there's a serious issue, it just magnify's a smaller one which the majority of people won't even notice.

Jim August 19, 2008 06:01 AM

thanks mpg excellent answer

cadaveca August 19, 2008 07:53 AM

I'm the only one it seems that understand microstutter. I'll put up more later, with a video of stutter @ 300FPS.

You can check youtube for my current video, labelled stutter. Note this test is run @ 1280x1024.

YouTube - stutter

Jim August 19, 2008 02:09 PM

Quote:

Originally Posted by cadaveca (Post 80671)
I'm the only one it seems that understand microstutter. I'll put up more later, with a video of stutter @ 300FPS.

You can check youtube for my current video, labelled stutter. Note this test is run @ 1280x1024.

what kinda rig runs crysis @ 300 fps ? anyway video looked smooth in that clip,maybe i missed it

cadaveca August 19, 2008 02:25 PM

:rofl: PLease.:dots:


Different app(DMC4). That vid was 60FPS and up. LoL. Crysis @ 300FPS..I think that will never happen in next 3 years...5 maybe....

And yeah, you missed it...watch when I hold up the controller(basically from 42 seconds on...)...does the character move smoothly? NOPE. But it does @ 1680x1050...

Does the framerate drop? NOPE. Quite the opposite as I near the canyon wall at the end...


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