One of the main reasons for HTPC purists to override the Intel integrated GPUs was the lack of a proper 23.976 Hz refresh rate. AMD GPUs have a history of consistently supporting 23.976 and 24 Hz refresh rates. With the AMD 6550D, setting up these refresh rates was quite easy.

We have seen that Intel is able to achieve 23.976 Hz refresh of sorts by disabling UAC on Windows 7 systems. There is currently an Intel driver in the works which removes this restriction (and I have my hands on it! Expect to see how it performs when I review ASRock's CoreHT 252B in the coming days).

Back to the Lynx system, setting a 23 Hz refresh rate gets us the same sort of accuracy as was obtained with other AMD GPUs. Playback frame rate locks to 23.977 fps and the refresh rate oscillates on either side of 23.977 Hz. Instead of a repeated frame every 42 seconds, we get one every 1000 seconds, long enough for most people not to notice.

24 Hz refresh rate support is equally good.

We would like AMD to provide custom resolution and refresh rate support similar to what NVIDIA does. This would enable end users to tweak the pixel clock and related settings to appropriately match their setup.

 

DXVA Benchmarking Miscellaneous HTPC Aspects
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  • patsfan - Sunday, July 10, 2011 - link

    I have read, off and on for the last 7 years or so articles on Anandtech, however, the ONLY reason I come here anymore is the same reason I look at CNN from time to time. For a good laugh. What started off as a fairly serious website for reviews on all things peripheral, has now turned into an INTEL propaganda machine. Seriously, when you look at all the ads, all you see is INTEL, INTEL, INTEL. Anand, if you stepped back and looked at your website as it gets pulled up, you would see what we see, a website that is no longer objective, between Intel, and Crapple you've apparently lost your objective way. I look at the obvious, AMD is the underdog, and I'll pick the underdog every time, and as far as Apple goes, it's a hell of a marketing machine, but as far as equipment goes???? The I-phone was great 4 years ago, today, it is mediocre at best, and if you're into power computing, Apple has absolutely NO compelling entry. Sadly, I resign myself to the fact that this website no longer provides me with any stimulating information, other than being an Intel/Crapple bully pulpit........ Oh well
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  • morohmoroh - Friday, July 22, 2011 - link

    puting northbrigde inside core CPU is wonderfull in age of 32 NM but than ....that GPU radeon is still shared ram outside the processor , and NB still have to hop in out to transfer data in and out from the socket .....and it shared too with other kinda data for system stored at ram socket ddr3

    discreet VGA have dedicated RAM and some indenpendet core CPU too like in Nvidia , i wondering GDDR5 VS DDR3 , which one is fastes speedt?........comboing VGA is another idea but all that handle via software not at hardware it self.... so far see there is just another decoder for movies aka films format

    the northbridge itself inside or outside core CPU will stressing alot hardwork to transforming coming in out data from external socket RAM....and i think it will produce more heat itself at the core

    how can NB self handle 64 Gigs? i read that phenom x6 are gonna be very hot to handle 16 Gigs

    intel create DMI to handle data boost at Mobos ram pci etc ...and QPI for inner core data boost...

    well i not preety sure 32 Nm liano architecture are work fines in real wordl practically electron flows handling data , speed etc.....and mobo compability to manage the potential of it

    pushing external DDR3 speed to act like GDDR5 for integrated VGA on same dies core ?

    and i dont really care about i3 etc with VGA too i think its just another variaton for marketing thats all..seem nothing significant inovation about nano tech age can do more beyond that...

    maybe doctor OCt gonna say "the power of the sun in palm of my hand "LOL

    cheers

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