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Framerate on mine is dropping down to 15-17 when VCPU hits 100%. The I3 IS capable of playing these files, as they play fine in WMC with Shark's codecs pack. It's something to do with XBMC's player. I'm told there's a workaround involving dsplayer which is no longer being developed but it sounds like an awful lot of frustration.
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I manually created a resolution on mine of 1080P with 23.976 timing and in a few minutes of viewing I have not seem the frame drop count increase at all. Also I disabled XBMC video acceleration just as a test. CPU never goes above 20%.
I expect maybe you are having a codec problem or a problem with an add in player that you are using with XBMC. i3 should be more than capable of playing full BD MKV files. I am playing full BD rip of Avatar at the moment and the i3 is not skipping a beat.
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I am not using the intel graphics so I guess I misunderstood the issue. Also I am still dropping a frame here or there, so I am not sure what is going on. Intel does not support true 23.976 but nvidia is supposed to.
You can try playing with the XBMC options that resync and resample video to see if it helps.
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Also note. XBMC will often drop a few frames or even re-sync sometimes as the movie starts to play on my rigs but the framedrops stop after that will remain fixed for a whole 2 hour movie during my testing. Same thing on the I3 and Celeron Sandy Bridge rigs we used.
I tested avatar using SW decode on the built-in graphics with a 2.6 Ghz Sandy Bridge celeron and it worked fine too...
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What was the size of that Avatar file out of curiosity?
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I'm still getting horrible frame rates in 1080 files. Someone in the support forum had suggested trying the 11.0 nightlies as they may do better with Intel graphics. But you guys are able to play 10-14GB files at a constant frame rate? 10.1 or what?
For the record I'm running an I3 2100T with 4Gb of RAM under Windows 7 32bit. I've tried turning off hyperthreading support at someone else's suggestion to no effect.
The hardware acceleration option creates horrible blocking and artifacting. Anything else I should try?
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Whatever floats people's boats. I seem to be having better luck wi it than I was having with GT440. It's also worth noting that 1080i performance for recorded TV, which is a big deal to many here, matters zero to me.
