Jau skaičiau šiandien visus pagrindinius psl. apie naująją ATI kartą.  Bet 
vis tiek dėkui;)

Bet tai ir vrm, ir dar daug kitų,  pasimažinęs RAM dažnį 2D aplinkai. 
Nerašė, kad lystų kokie bug'ai dirbant mažu dažniu ;/

"MaK" <mak@trintitakas.lt> parašė naujienų 
news:h9oh8i$dqo$1@trimpas.omnitel.net...
> skirtingi gpu atminties kontroleriai.
>
> Even bigger however are the enhancements to Cypress’s memory controller, 
> which allow it to utilize a number of power-saving tricks with GDDR5 RAM, 
> along with other features that we’ll get to in a bit. With RV770’s memory 
> controller, it was not capable of taking advantage of very many of GDDR5’s 
> advanced features besides the higher bandwidth abilities. Lacking this 
> full bag of tricks, RV770 and its derivatives were unable to reduce the 
> memory clock speed, which is why the 4870 and other products had such high 
> memory clock speeds even at idle. In turn this limited the reduction in 
> power consumption attained by idling GDDR5 modules.
>
> With Cypress AMD has implemented nearly the entire suite of GDDR5’s power 
> saving features, allowing them to reduce the power usage of the memory 
> controller and the GDDR5 modules themselves. As with the improvements to 
> the core clock, key among the improvement in memory power usage is the 
> ability to go to much lower memory clock speeds, using fast GDDR5 link 
> re-training to quickly switch the memory clock speed and voltage without 
> inducing glitches. AMD is also now using GDDR5’s low power strobe mode, 
> which in turn allows the memory controller to save power by turning off 
> the clock data recovery mechanism. When discussing the matter with AMD, 
> they compared these changes to putting the memory modules and memory 
> controller into a GDDR3-like mode, which is a fair description of how 
> GDDR5 behaves when its high-speed features are not enabled.
>
>
> http://www.anandtech.com/video/showdoc.aspx?i=3643&p=11  ir sekantis psl. 
> apie naujesnius gddr5 navarotus
>
>
> "Icetom" <kkk@kk.com> wrote in message 
> news:h9nc03$b8e$2@trimpas.omnitel.net...
>> Jo neblogai ir dar žinant, kad jos našumas prilygsta HD4870x2 modeliui.
>>
>> Man tik nesuprantama, kodėl ATI-AMD ir jo partneriai neišleidžia firmware 
>> atnaujinimo HD48xx modeliams su sumažintais atminties dažniais. Nes VGA 
>> RAM daugiausia ir naudoja elektros idle metu:
>
>